rynmurdock
commited on
Commit
•
08a9c32
1
Parent(s):
20e20bb
repo
Browse files- .gitignore +3 -0
- __init__.py +0 -0
- app.py +285 -0
- blank.png +0 -0
- config.py +15 -0
- configuration_intern_vit.py +119 -0
- configuration_internvl_chat.py +96 -0
- configuration_phi3.py +211 -0
- conversation.py +393 -0
- data.py +19 -0
- inference.ipynb +623 -0
- internvl2_patches.py +325 -0
- model.py +115 -0
- modeling_intern_vit.py +429 -0
- modeling_phi3.py +1610 -0
- requirements.txt +3 -0
- train.py +74 -0
- config.json → weights_CLIP_aesth_7000/config.json +1 -1
- generation_config.json → weights_CLIP_aesth_7000/generation_config.json +0 -0
- model-00001-of-00002.safetensors → weights_CLIP_aesth_7000/model-00001-of-00002.safetensors +2 -2
- model-00002-of-00002.safetensors → weights_CLIP_aesth_7000/model-00002-of-00002.safetensors +2 -2
- model.safetensors.index.json → weights_CLIP_aesth_7000/model.safetensors.index.json +423 -365
.gitignore
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.ipynb_checkpoints/
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__pycache__/
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inter-est*/
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__init__.py
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app.py
ADDED
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import torch
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from PIL import Image
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import random
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import pandas as pd
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import gradio as gr
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import numpy as np
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from sklearn.linear_model import LogisticRegression
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from sklearn.svm import SVC
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from sklearn import preprocessing
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import time
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import torch
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from matplotlib import pyplot as plt
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from model import model, tokenizer, load_image
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from diffusers import StableDiffusionXLPipeline, UNet2DConditionModel, EulerDiscreteScheduler
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from huggingface_hub import hf_hub_download
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from safetensors.torch import load_file
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device = 'cuda'
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dtype = torch.bfloat16
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base = "stabilityai/stable-diffusion-xl-base-1.0"
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repo = "ByteDance/SDXL-Lightning"
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ckpt = "sdxl_lightning_8step_unet.safetensors" # Use the correct ckpt for your step setting!
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# Load model.
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unet = UNet2DConditionModel.from_config(base, subfolder="unet").to(device, dtype)
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unet.load_state_dict(load_file(hf_hub_download(repo, ckpt), device=device))
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pipe = StableDiffusionXLPipeline.from_pretrained(base, unet=unet, torch_dtype=dtype, variant="fp16").to(device)
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# Ensure sampler uses "trailing" timesteps.
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pipe.scheduler = EulerDiscreteScheduler.from_config(pipe.scheduler.config, timestep_spacing="trailing")
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with torch.cuda.amp.autocast(True, dtype):
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# extract eos/mean embedding
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pixel_values = load_image(image_file='blank.png', max_num=1).to(device)
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base_embed = model.extract_feature(pixel_values.to(dtype)).detach().float()
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def get_text(embed):
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with torch.cuda.amp.autocast(True, dtype):
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generation_config = dict(max_new_tokens=32, do_sample=True,
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temperature=.5, top_p=.92)
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# single-image single-round conversation (单图单轮对话)
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pixel_values = 0
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question = '''''' # not really used # TODO & pixel_values as well
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response = model.chat(tokenizer, pixel_values, question, generation_config, visual_features=embed.to(dtype))
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print(response)
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return response
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def get_image(text):
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return pipe(text, num_inference_steps=8, guidance_scale=0).images[0]
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def get_embed(img):
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with torch.cuda.amp.autocast(True, dtype):
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# extract eos/mean embedding
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pixel_values = load_image(image_file='', pil_image=img, max_num=1).to(device)
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embed = model.extract_feature(pixel_values.to(dtype))
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return embed.float()
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prompt_list = [p for p in list(set(
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pd.read_csv('/home/ryn_mote/Misc/twitter_prompts.csv').iloc[:, 1].tolist())) if type(p) == str]
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random.shuffle(prompt_list)
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NOT_calibrate_prompts = [
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'an abstract painting',
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'unique streetwear design that blends the old with the new. Combine bold, urban typography with retro graphics, taking inspiration from distressed signage and graffiti. Use a range of earthy tones to give the design a vintage aesthetic, while adding a modern twist with a stylistic rendering of the graphics',
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'a photo of hell',
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''
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]
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calibrate_prompts = [
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"4k photo",
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'surrealist art',
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'a psychedelic, fractal view',
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'a beautiful collage',
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'an intricate portrait',
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'an impressionist painting',
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'abstract art',
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'an eldritch image',
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'a sketch',
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'a city full of darkness and graffiti',
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'a black & white photo',
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'a brilliant, timeless tarot card of the world',
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'''eternity: a timeless, vivid painted portrait by ryan murdock''',
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'''a simple, timeless, & dark charcoal on canvas: death itself by ryan murdock''',
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'''a painted image with gorgeous red gradients: Persephone by ryan murdock''',
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'''a simple, timeless, & dark photo with gorgeous gradients: last night of my life by ryan murdock''',
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'''the sunflower -- a dark, simple painted still life by ryan murdock''',
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'''silence in the macrocosm -- a dark, intricate painting by ryan murdock''',
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'''beauty here -- a photograph by ryan murdock''',
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'''a timeless, haunting portrait: the necrotic jester''',
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'''a simple, timeless, & dark art piece with gorgeous gradients: serenity''',
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'''an elegant image of nature with gorgeous swirling gradients''',
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'''simple, timeless digital art with gorgeous purple spirals''',
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'''timeless digital art with gorgeous gradients: eternal slumber''',
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'''a simple, timeless image with gorgeous gradients''',
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'''a simple, timeless painted image of nature with beautiful gradients''',
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'a timeless, dark digital art piece with gorgeous gradients: the hanged man',
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'',
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]
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+
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+
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+
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global_idx = 0
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embs = []
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ys = []
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+
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start_time = time.time()
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122 |
+
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def next_image():
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with torch.no_grad():
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if len(calibrate_prompts) > 0:
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prompt = calibrate_prompts.pop(0)
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print(f'######### Calibrating with sample: {prompt} #########')
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+
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image = get_image(prompt)
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+
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+
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####### optional step; we could take the prior output instead
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with torch.cuda.amp.autocast():
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embed = get_embed(image)
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#######
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+
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embs.append(embed)
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return image, prompt
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else:
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print('######### Roaming #########')
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+
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# sample only as many negatives as there are positives
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indices = range(len(ys))
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pos_indices = [i for i in indices if ys[i] > .5]
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neg_indices = [i for i in indices if ys[i] <= .5]
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146 |
+
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mini = min(len(pos_indices), len(neg_indices))
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148 |
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149 |
+
if mini < 1:
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feature_embs = torch.stack([torch.randn(1280), torch.randn(1280)])
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ys_t = [0, 1]
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print('Not enough ratings.')
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else:
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+
# indices = random.sample(pos_indices, mini) + random.sample(neg_indices, mini)
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+
ys_t = [ys[i] for i in indices]
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+
feature_embs = torch.stack([embs[e][0, 0].detach().cpu() for e in indices]).squeeze()
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157 |
+
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+
# # balance pos/negatives?
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# for e in indices:
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# nw = (len(indices) / len(neg_indices))
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# w = (len(indices) / len(pos_indices))
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# feature_embs[e] = feature_embs[e] * w if ys_t[e] > .5 else feature_embs[e] * nw
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+
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# if len(pos_indices) > 8:
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# to_drop = pos_indices.pop(0)
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# ys.pop(to_drop)
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# embs.pop(to_drop)
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# print('\n\n\ndropping\n\n\n')
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# elif len(neg_indices) > 8:
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# to_drop = neg_indices.pop(0)
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# ys.pop(to_drop)
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# embs.pop(to_drop)
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# print('\n\n\ndropping\n\n\n')
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+
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+
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# scaler = preprocessing.StandardScaler().fit(feature_embs)
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# feature_embs = scaler.transform(feature_embs)
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# ys_t = ys
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+
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print(np.array(feature_embs).shape, np.array(ys_t).shape)
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+
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# sol = LogisticRegression().fit(np.array(feature_embs), np.array(torch.tensor(ys_t).unsqueeze(1).float() * 2 - 1)).coef_
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183 |
+
# sol = torch.linalg.lstsq(torch.tensor(ys_t).unsqueeze(1).float()*2-1, torch.tensor(feature_embs).float(),).solution
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184 |
+
# neg_sol = torch.linalg.lstsq((torch.tensor(ys_t).unsqueeze(1).float() - 1) * -1, torch.tensor(feature_embs).float()).solution
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185 |
+
# sol = torch.tensor(sol, dtype=dtype).to(device)
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186 |
+
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187 |
+
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188 |
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pos_sol = torch.stack([feature_embs[i] for i in range(len(ys_t)) if ys_t[i] > .5]).mean(0, keepdim=True).to(device, dtype)
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189 |
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neg_sol = torch.stack([feature_embs[i] for i in range(len(ys_t)) if ys_t[i] < .5]).mean(0, keepdim=True).to(device, dtype)
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190 |
+
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191 |
+
# could j have a base vector of a black image
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latest_pos = (random.sample([feature_embs[i] for i in range(len(ys_t)) if ys_t[i] > .5], 1)[0]).to(device, dtype)
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193 |
+
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dif = pos_sol - neg_sol
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sol = latest_pos + ((dif / dif.std()) * latest_pos.std())
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196 |
+
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197 |
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print(sol.shape)
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+
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199 |
+
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text = get_text(sol)
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image = get_image(text)
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embed = get_embed(image)
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203 |
+
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204 |
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embs.append(embed)
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+
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plt.close()
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plt.hist(sol.detach().cpu().float().flatten())
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208 |
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plt.savefig('sol.jpg')
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209 |
+
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210 |
+
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plt.close()
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212 |
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plt.hist(embed.detach().cpu().float().flatten())
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213 |
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plt.savefig('embed.jpg')
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214 |
+
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215 |
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# torch.save(sol, f'./{start_time}.pt')
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return image, text
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+
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+
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+
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+
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def start(_):
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225 |
+
return [
|
226 |
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gr.Button(value='Like', interactive=True),
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227 |
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gr.Button(value='Neither', interactive=True),
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228 |
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gr.Button(value='Dislike', interactive=True),
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229 |
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gr.Button(value='Start', interactive=False),
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230 |
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*next_image()
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231 |
+
]
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232 |
+
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233 |
+
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234 |
+
def choose(choice):
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235 |
+
global global_idx
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236 |
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global_idx += 1
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237 |
+
if choice == 'Like':
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238 |
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choice = 1
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239 |
+
elif choice == 'Neither':
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240 |
+
_ = embs.pop(-1)
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241 |
+
return next_image()
|
242 |
+
else:
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243 |
+
choice = 0
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244 |
+
ys.append(choice)
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245 |
+
return next_image()
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246 |
+
|
247 |
+
css = "div#output-image {height: 512px !important; width: 512px !important; margin:auto;}"
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248 |
+
with gr.Blocks(css=css) as demo:
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249 |
+
with gr.Row():
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250 |
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html = gr.HTML('''<div style='text-align:center; font-size:32'>You will callibrate for several prompts and then roam.</ div>''')
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251 |
+
with gr.Row(elem_id='output-image'):
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252 |
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img = gr.Image(interactive=False, elem_id='output-image',)
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253 |
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with gr.Row(elem_id='output-txt'):
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254 |
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txt = gr.Textbox(interactive=False, elem_id='output-txt',)
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255 |
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with gr.Row(equal_height=True):
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256 |
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b3 = gr.Button(value='Dislike', interactive=False,)
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257 |
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b2 = gr.Button(value='Neither', interactive=False,)
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258 |
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b1 = gr.Button(value='Like', interactive=False,)
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259 |
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b1.click(
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260 |
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choose,
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261 |
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[b1],
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262 |
+
[img, txt]
|
263 |
+
)
|
264 |
+
b2.click(
|
265 |
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choose,
|
266 |
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[b2],
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267 |
+
[img, txt]
|
268 |
+
)
|
269 |
+
b3.click(
|
270 |
+
choose,
|
271 |
+
[b3],
|
272 |
+
[img, txt]
|
273 |
+
)
|
274 |
+
with gr.Row():
|
275 |
+
b4 = gr.Button(value='Start')
|
276 |
+
b4.click(start,
|
277 |
+
[b4],
|
278 |
+
[b1, b2, b3, b4, img, txt])
|
279 |
+
|
280 |
+
demo.launch(share=True) # Share your demo with just 1 extra parameter 🚀
|
281 |
+
|
282 |
+
|
283 |
+
|
284 |
+
# TODO use CLIP text encoder pooled & keep frozen
|
285 |
+
|
blank.png
ADDED
config.py
ADDED
@@ -0,0 +1,15 @@
|
|
|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
import torch
|
2 |
+
|
3 |
+
lr = 1e-5
|
4 |
+
|
5 |
+
path = '/home/ryn_mote/Misc/vlm_with_pooled_for_text_genrec/inter-est_CLIP_aesth_7000'
|
6 |
+
save_path = '/home/ryn_mote/Misc/vlm_with_pooled_for_text_genrec/inter-est_CLIP_aesth'
|
7 |
+
|
8 |
+
epochs = 1
|
9 |
+
batch_size = 16
|
10 |
+
|
11 |
+
device = 'cuda'
|
12 |
+
dtype = torch.bfloat16
|
13 |
+
|
14 |
+
max_tokens = 32
|
15 |
+
|
configuration_intern_vit.py
ADDED
@@ -0,0 +1,119 @@
|
|
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|
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|
|
|
|
|
1 |
+
# --------------------------------------------------------
|
2 |
+
# InternVL
|
3 |
+
# Copyright (c) 2024 OpenGVLab
|
4 |
+
# Licensed under The MIT License [see LICENSE for details]
|
5 |
+
# --------------------------------------------------------
|
6 |
+
import os
|
7 |
+
from typing import Union
|
8 |
+
|
9 |
+
from transformers.configuration_utils import PretrainedConfig
|
10 |
+
from transformers.utils import logging
|
11 |
+
|
12 |
+
logger = logging.get_logger(__name__)
|
13 |
+
|
14 |
+
|
15 |
+
class InternVisionConfig(PretrainedConfig):
|
16 |
+
r"""
|
17 |
+
This is the configuration class to store the configuration of a [`InternVisionModel`]. It is used to
|
18 |
+
instantiate a vision encoder according to the specified arguments, defining the model architecture.
|
19 |
+
|
20 |
+
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
|
21 |
+
documentation from [`PretrainedConfig`] for more information.
|
22 |
+
|
23 |
+
Args:
|
24 |
+
num_channels (`int`, *optional*, defaults to 3):
|
25 |
+
Number of color channels in the input images (e.g., 3 for RGB).
|
26 |
+
patch_size (`int`, *optional*, defaults to 14):
|
27 |
+
The size (resolution) of each patch.
|
28 |
+
image_size (`int`, *optional*, defaults to 224):
|
29 |
+
The size (resolution) of each image.
|
30 |
+
qkv_bias (`bool`, *optional*, defaults to `False`):
|
31 |
+
Whether to add a bias to the queries and values in the self-attention layers.
|
32 |
+
hidden_size (`int`, *optional*, defaults to 3200):
|
33 |
+
Dimensionality of the encoder layers and the pooler layer.
|
34 |
+
num_attention_heads (`int`, *optional*, defaults to 25):
|
35 |
+
Number of attention heads for each attention layer in the Transformer encoder.
|
36 |
+
intermediate_size (`int`, *optional*, defaults to 12800):
|
37 |
+
Dimensionality of the "intermediate" (i.e., feed-forward) layer in the Transformer encoder.
|
38 |
+
qk_normalization (`bool`, *optional*, defaults to `True`):
|
39 |
+
Whether to normalize the queries and keys in the self-attention layers.
|
40 |
+
num_hidden_layers (`int`, *optional*, defaults to 48):
|
41 |
+
Number of hidden layers in the Transformer encoder.
|
42 |
+
use_flash_attn (`bool`, *optional*, defaults to `True`):
|
43 |
+
Whether to use flash attention mechanism.
|
44 |
+
hidden_act (`str` or `function`, *optional*, defaults to `"gelu"`):
|
45 |
+
The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
|
46 |
+
`"relu"`, `"selu"` and `"gelu_new"` ``"gelu"` are supported.
|
47 |
+
layer_norm_eps (`float`, *optional*, defaults to 1e-6):
|
48 |
+
The epsilon used by the layer normalization layers.
|
49 |
+
dropout (`float`, *optional*, defaults to 0.0):
|
50 |
+
The dropout probability for all fully connected layers in the embeddings, encoder, and pooler.
|
51 |
+
drop_path_rate (`float`, *optional*, defaults to 0.0):
|
52 |
+
Dropout rate for stochastic depth.
|
53 |
+
attention_dropout (`float`, *optional*, defaults to 0.0):
|
54 |
+
The dropout ratio for the attention probabilities.
|
55 |
+
initializer_range (`float`, *optional*, defaults to 0.02):
|
56 |
+
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
|
57 |
+
initializer_factor (`float`, *optional*, defaults to 0.1):
|
58 |
+
A factor for layer scale.
|
59 |
+
"""
|
60 |
+
|
61 |
+
model_type = 'intern_vit_6b'
|
62 |
+
|
63 |
+
def __init__(
|
64 |
+
self,
|
65 |
+
num_channels=3,
|
66 |
+
patch_size=14,
|
67 |
+
image_size=224,
|
68 |
+
qkv_bias=False,
|
69 |
+
hidden_size=3200,
|
70 |
+
num_attention_heads=25,
|
71 |
+
intermediate_size=12800,
|
72 |
+
qk_normalization=True,
|
73 |
+
num_hidden_layers=48,
|
74 |
+
use_flash_attn=True,
|
75 |
+
hidden_act='gelu',
|
76 |
+
norm_type='rms_norm',
|
77 |
+
layer_norm_eps=1e-6,
|
78 |
+
dropout=0.0,
|
79 |
+
drop_path_rate=0.0,
|
80 |
+
attention_dropout=0.0,
|
81 |
+
initializer_range=0.02,
|
82 |
+
initializer_factor=0.1,
|
83 |
+
**kwargs,
|
84 |
+
):
|
85 |
+
super().__init__(**kwargs)
|
86 |
+
|
87 |
+
self.hidden_size = hidden_size
|
88 |
+
self.intermediate_size = intermediate_size
|
89 |
+
self.dropout = dropout
|
90 |
+
self.drop_path_rate = drop_path_rate
|
91 |
+
self.num_hidden_layers = num_hidden_layers
|
92 |
+
self.num_attention_heads = num_attention_heads
|
93 |
+
self.num_channels = num_channels
|
94 |
+
self.patch_size = patch_size
|
95 |
+
self.image_size = image_size
|
96 |
+
self.initializer_range = initializer_range
|
97 |
+
self.initializer_factor = initializer_factor
|
98 |
+
self.attention_dropout = attention_dropout
|
99 |
+
self.layer_norm_eps = layer_norm_eps
|
100 |
+
self.hidden_act = hidden_act
|
101 |
+
self.norm_type = norm_type
|
102 |
+
self.qkv_bias = qkv_bias
|
103 |
+
self.qk_normalization = qk_normalization
|
104 |
+
self.use_flash_attn = use_flash_attn
|
105 |
+
|
106 |
+
@classmethod
|
107 |
+
def from_pretrained(cls, pretrained_model_name_or_path: Union[str, os.PathLike], **kwargs) -> 'PretrainedConfig':
|
108 |
+
config_dict, kwargs = cls.get_config_dict(pretrained_model_name_or_path, **kwargs)
|
109 |
+
|
110 |
+
if 'vision_config' in config_dict:
|
111 |
+
config_dict = config_dict['vision_config']
|
112 |
+
|
113 |
+
if 'model_type' in config_dict and hasattr(cls, 'model_type') and config_dict['model_type'] != cls.model_type:
|
114 |
+
logger.warning(
|
115 |
+
f"You are using a model of type {config_dict['model_type']} to instantiate a model of type "
|
116 |
+
f'{cls.model_type}. This is not supported for all configurations of models and can yield errors.'
|
117 |
+
)
|
118 |
+
|
119 |
+
return cls.from_dict(config_dict, **kwargs)
|
configuration_internvl_chat.py
ADDED
@@ -0,0 +1,96 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
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|
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|
|
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|
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|
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|
|
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|
|
|
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|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# --------------------------------------------------------
|
2 |
+
# InternVL
|
3 |
+
# Copyright (c) 2024 OpenGVLab
|
4 |
+
# Licensed under The MIT License [see LICENSE for details]
|
5 |
+
# --------------------------------------------------------
|
6 |
+
|
7 |
+
import copy
|
8 |
+
|
9 |
+
from transformers import AutoConfig, LlamaConfig
|
10 |
+
from transformers.configuration_utils import PretrainedConfig
|
11 |
+
from transformers.utils import logging
|
12 |
+
|
13 |
+
from configuration_intern_vit import InternVisionConfig
|
14 |
+
from configuration_phi3 import Phi3Config
|
15 |
+
|
16 |
+
logger = logging.get_logger(__name__)
|
17 |
+
|
18 |
+
|
19 |
+
class InternVLChatConfig(PretrainedConfig):
|
20 |
+
model_type = 'internvl_chat'
|
21 |
+
is_composition = True
|
22 |
+
|
23 |
+
def __init__(
|
24 |
+
self,
|
25 |
+
vision_config=None,
|
26 |
+
llm_config=None,
|
27 |
+
use_backbone_lora=0,
|
28 |
+
use_llm_lora=0,
|
29 |
+
select_layer=-1,
|
30 |
+
force_image_size=None,
|
31 |
+
downsample_ratio=0.5,
|
32 |
+
template=None,
|
33 |
+
dynamic_image_size=False,
|
34 |
+
use_thumbnail=False,
|
35 |
+
ps_version='v1',
|
36 |
+
min_dynamic_patch=1,
|
37 |
+
max_dynamic_patch=6,
|
38 |
+
**kwargs):
|
39 |
+
super().__init__(**kwargs)
|
40 |
+
|
41 |
+
if vision_config is None:
|
42 |
+
vision_config = {}
|
43 |
+
logger.info('vision_config is None. Initializing the InternVisionConfig with default values.')
|
44 |
+
|
45 |
+
if llm_config is None:
|
46 |
+
llm_config = {}
|
47 |
+
logger.info('llm_config is None. Initializing the LlamaConfig config with default values (`LlamaConfig`).')
|
48 |
+
|
49 |
+
self.vision_config = InternVisionConfig(**vision_config)
|
50 |
+
if llm_config['architectures'][0] == 'LlamaForCausalLM':
|
51 |
+
self.llm_config = LlamaConfig(**llm_config)
|
52 |
+
elif llm_config['architectures'][0] == 'Phi3ForCausalLM':
|
53 |
+
self.llm_config = Phi3Config(**llm_config)
|
54 |
+
else:
|
55 |
+
raise ValueError('Unsupported architecture: {}'.format(llm_config['architectures'][0]))
|
56 |
+
self.use_backbone_lora = use_backbone_lora
|
57 |
+
self.use_llm_lora = use_llm_lora
|
58 |
+
self.select_layer = select_layer
|
59 |
+
self.force_image_size = force_image_size
|
60 |
+
self.downsample_ratio = downsample_ratio
|
61 |
+
self.template = template
|
62 |
+
self.dynamic_image_size = dynamic_image_size
|
63 |
+
self.use_thumbnail = use_thumbnail
|
64 |
+
self.ps_version = ps_version # pixel shuffle version
|
65 |
+
self.min_dynamic_patch = min_dynamic_patch
|
66 |
+
self.max_dynamic_patch = max_dynamic_patch
|
67 |
+
|
68 |
+
logger.info(f'vision_select_layer: {self.select_layer}')
|
69 |
+
logger.info(f'ps_version: {self.ps_version}')
|
70 |
+
logger.info(f'min_dynamic_patch: {self.min_dynamic_patch}')
|
71 |
+
logger.info(f'max_dynamic_patch: {self.max_dynamic_patch}')
|
72 |
+
|
73 |
+
def to_dict(self):
|
74 |
+
"""
|
75 |
+
Serializes this instance to a Python dictionary. Override the default [`~PretrainedConfig.to_dict`].
|
76 |
+
|
77 |
+
Returns:
|
78 |
+
`Dict[str, any]`: Dictionary of all the attributes that make up this configuration instance,
|
79 |
+
"""
|
80 |
+
output = copy.deepcopy(self.__dict__)
|
81 |
+
output['vision_config'] = self.vision_config.to_dict()
|
82 |
+
output['llm_config'] = self.llm_config.to_dict()
|
83 |
+
output['model_type'] = self.__class__.model_type
|
84 |
+
output['use_backbone_lora'] = self.use_backbone_lora
|
85 |
+
output['use_llm_lora'] = self.use_llm_lora
|
86 |
+
output['select_layer'] = self.select_layer
|
87 |
+
output['force_image_size'] = self.force_image_size
|
88 |
+
output['downsample_ratio'] = self.downsample_ratio
|
89 |
+
output['template'] = self.template
|
90 |
+
output['dynamic_image_size'] = self.dynamic_image_size
|
91 |
+
output['use_thumbnail'] = self.use_thumbnail
|
92 |
+
output['ps_version'] = self.ps_version
|
93 |
+
output['min_dynamic_patch'] = self.min_dynamic_patch
|
94 |
+
output['max_dynamic_patch'] = self.max_dynamic_patch
|
95 |
+
|
96 |
+
return output
|
configuration_phi3.py
ADDED
@@ -0,0 +1,211 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
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|
|
|
|
|
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|
|
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|
|
|
|
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|
|
|
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|
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|
|
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|
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|
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|
|
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|
|
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|
|
|
|
|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
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|
|
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|
|
|
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|
|
|
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|
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|
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|
|
|
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|
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# Copyright 2024 Microsoft and the HuggingFace Inc. team. All rights reserved.
|
2 |
+
#
|
3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
4 |
+
# you may not use this file except in compliance with the License.
|
5 |
+
# You may obtain a copy of the License atd
|
6 |
+
#
|
7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
8 |
+
#
|
9 |
+
# Unless required by applicable law or agreed to in writing, software
|
10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
12 |
+
# See the License for the specific language governing permissions and
|
13 |
+
# limitations under the License.
|
14 |
+
|
15 |
+
""" Phi-3 model configuration"""
|
16 |
+
|
17 |
+
|
18 |
+
from transformers.configuration_utils import PretrainedConfig
|
19 |
+
from transformers.utils import logging
|
20 |
+
|
21 |
+
logger = logging.get_logger(__name__)
|
22 |
+
|
23 |
+
PHI3_PRETRAINED_CONFIG_ARCHIVE_MAP = {
|
24 |
+
'microsoft/Phi-3-mini-4k-instruct': 'https://huggingface.co/microsoft/Phi-3-mini-4k-instruct/resolve/main/config.json',
|
25 |
+
'microsoft/Phi-3-mini-128k-instruct': 'https://huggingface.co/microsoft/Phi-3-mini-128k-instruct/resolve/main/config.json',
|
26 |
+
}
|
27 |
+
|
28 |
+
|
29 |
+
class Phi3Config(PretrainedConfig):
|
30 |
+
r"""
|
31 |
+
This is the configuration class to store the configuration of a [`Phi3Model`]. It is used to instantiate a Phi-3
|
32 |
+
model according to the specified arguments, defining the model architecture. Instantiating a configuration with the
|
33 |
+
defaults will yield a similar configuration to that of the
|
34 |
+
[microsoft/Phi-3-mini-4k-instruct](https://huggingface.co/microsoft/Phi-3-mini-4k-instruct).
|
35 |
+
|
36 |
+
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
|
37 |
+
documentation from [`PretrainedConfig`] for more information.
|
38 |
+
|
39 |
+
Args:
|
40 |
+
vocab_size (`int`, *optional*, defaults to 32064):
|
41 |
+
Vocabulary size of the Phi-3 model. Defines the number of different tokens that can be represented by the
|
42 |
+
`inputs_ids` passed when calling [`Phi3Model`].
|
43 |
+
hidden_size (`int`, *optional*, defaults to 3072):
|
44 |
+
Dimension of the hidden representations.
|
45 |
+
intermediate_size (`int`, *optional*, defaults to 8192):
|
46 |
+
Dimension of the MLP representations.
|
47 |
+
num_hidden_layers (`int`, *optional*, defaults to 32):
|
48 |
+
Number of hidden layers in the Transformer decoder.
|
49 |
+
num_attention_heads (`int`, *optional*, defaults to 32):
|
50 |
+
Number of attention heads for each attention layer in the Transformer decoder.
|
51 |
+
num_key_value_heads (`int`, *optional*):
|
52 |
+
This is the number of key_value heads that should be used to implement Grouped Query Attention. If
|
53 |
+
`num_key_value_heads=num_attention_heads`, the model will use Multi Head Attention (MHA), if
|
54 |
+
`num_key_value_heads=1 the model will use Multi Query Attention (MQA) otherwise GQA is used. When
|
55 |
+
converting a multi-head checkpoint to a GQA checkpoint, each group key and value head should be constructed
|
56 |
+
by meanpooling all the original heads within that group. For more details checkout [this
|
57 |
+
paper](https://arxiv.org/pdf/2305.13245.pdf). If it is not specified, will default to
|
58 |
+
`num_attention_heads`.
|
59 |
+
resid_pdrop (`float`, *optional*, defaults to 0.0):
|
60 |
+
Dropout probability for mlp outputs.
|
61 |
+
embd_pdrop (`int`, *optional*, defaults to 0.0):
|
62 |
+
The dropout ratio for the embeddings.
|
63 |
+
attention_dropout (`float`, *optional*, defaults to 0.0):
|
64 |
+
The dropout ratio after computing the attention scores.
|
65 |
+
hidden_act (`str` or `function`, *optional*, defaults to `"silu"`):
|
66 |
+
The non-linear activation function (function or string) in the decoder.
|
67 |
+
max_position_embeddings (`int`, *optional*, defaults to 4096):
|
68 |
+
The maximum sequence length that this model might ever be used with.
|
69 |
+
original_max_position_embeddings (`int`, *optional*, defaults to 4096):
|
70 |
+
The maximum sequence length that this model was trained with. This is used to determine the size of the
|
71 |
+
original RoPE embeddings when using long scaling.
|
72 |
+
initializer_range (`float`, *optional*, defaults to 0.02):
|
73 |
+
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
|
74 |
+
rms_norm_eps (`float`, *optional*, defaults to 1e-05):
|
75 |
+
The epsilon value used for the RMSNorm.
|
76 |
+
use_cache (`bool`, *optional*, defaults to `True`):
|
77 |
+
Whether or not the model should return the last key/values attentions (not used by all models). Only
|
78 |
+
relevant if `config.is_decoder=True`. Whether to tie weight embeddings or not.
|
79 |
+
tie_word_embeddings (`bool`, *optional*, defaults to `False`):
|
80 |
+
Whether to tie weight embeddings
|
81 |
+
rope_theta (`float`, *optional*, defaults to 10000.0):
|
82 |
+
The base period of the RoPE embeddings.
|
83 |
+
rope_scaling (`dict`, *optional*):
|
84 |
+
The scaling strategy for the RoPE embeddings. If `None`, no scaling is applied. If a dictionary, it must
|
85 |
+
contain the following keys: `type`, `short_factor` and `long_factor`. The `type` must be either `su` or `yarn` and
|
86 |
+
the `short_factor` and `long_factor` must be lists of numbers with the same length as the hidden size
|
87 |
+
divided by the number of attention heads divided by 2.
|
88 |
+
bos_token_id (`int`, *optional*, defaults to 1):
|
89 |
+
The id of the "beginning-of-sequence" token.
|
90 |
+
eos_token_id (`int`, *optional*, defaults to 32000):
|
91 |
+
The id of the "end-of-sequence" token.
|
92 |
+
pad_token_id (`int`, *optional*, defaults to 32000):
|
93 |
+
The id of the padding token.
|
94 |
+
sliding_window (`int`, *optional*):
|
95 |
+
Sliding window attention window size. If `None`, no sliding window is applied.
|
96 |
+
|
97 |
+
Example:
|
98 |
+
|
99 |
+
```python
|
100 |
+
>>> from transformers import Phi3Model, Phi3Config
|
101 |
+
|
102 |
+
>>> # Initializing a Phi-3 style configuration
|
103 |
+
>>> configuration = Phi3Config.from_pretrained("microsoft/Phi-3-mini-4k-instruct")
|
104 |
+
|
105 |
+
>>> # Initializing a model from the configuration
|
106 |
+
>>> model = Phi3Model(configuration)
|
107 |
+
|
108 |
+
>>> # Accessing the model configuration
|
109 |
+
>>> configuration = model.config
|
110 |
+
```"""
|
111 |
+
|
112 |
+
model_type = 'phi3'
|
113 |
+
keys_to_ignore_at_inference = ['past_key_values']
|
114 |
+
|
115 |
+
def __init__(
|
116 |
+
self,
|
117 |
+
vocab_size=32064,
|
118 |
+
hidden_size=3072,
|
119 |
+
intermediate_size=8192,
|
120 |
+
num_hidden_layers=32,
|
121 |
+
num_attention_heads=32,
|
122 |
+
num_key_value_heads=None,
|
123 |
+
resid_pdrop=0.0,
|
124 |
+
embd_pdrop=0.0,
|
125 |
+
attention_dropout=0.0,
|
126 |
+
hidden_act='silu',
|
127 |
+
max_position_embeddings=4096,
|
128 |
+
original_max_position_embeddings=4096,
|
129 |
+
initializer_range=0.02,
|
130 |
+
rms_norm_eps=1e-5,
|
131 |
+
use_cache=True,
|
132 |
+
tie_word_embeddings=False,
|
133 |
+
rope_theta=10000.0,
|
134 |
+
rope_scaling=None,
|
135 |
+
bos_token_id=1,
|
136 |
+
eos_token_id=32000,
|
137 |
+
pad_token_id=32000,
|
138 |
+
sliding_window=None,
|
139 |
+
**kwargs,
|
140 |
+
):
|
141 |
+
self.vocab_size = vocab_size
|
142 |
+
self.hidden_size = hidden_size
|
143 |
+
self.intermediate_size = intermediate_size
|
144 |
+
self.num_hidden_layers = num_hidden_layers
|
145 |
+
self.num_attention_heads = num_attention_heads
|
146 |
+
|
147 |
+
if num_key_value_heads is None:
|
148 |
+
num_key_value_heads = num_attention_heads
|
149 |
+
|
150 |
+
self.num_key_value_heads = num_key_value_heads
|
151 |
+
self.resid_pdrop = resid_pdrop
|
152 |
+
self.embd_pdrop = embd_pdrop
|
153 |
+
self.attention_dropout = attention_dropout
|
154 |
+
self.hidden_act = hidden_act
|
155 |
+
self.max_position_embeddings = max_position_embeddings
|
156 |
+
self.original_max_position_embeddings = original_max_position_embeddings
|
157 |
+
self.initializer_range = initializer_range
|
158 |
+
self.rms_norm_eps = rms_norm_eps
|
159 |
+
self.use_cache = use_cache
|
160 |
+
self.rope_theta = rope_theta
|
161 |
+
self.rope_scaling = rope_scaling
|
162 |
+
self._rope_scaling_validation()
|
163 |
+
self.sliding_window = sliding_window
|
164 |
+
|
165 |
+
super().__init__(
|
166 |
+
bos_token_id=bos_token_id,
|
167 |
+
eos_token_id=eos_token_id,
|
168 |
+
pad_token_id=pad_token_id,
|
169 |
+
tie_word_embeddings=tie_word_embeddings,
|
170 |
+
**kwargs,
|
171 |
+
)
|
172 |
+
|
173 |
+
def _rope_scaling_validation(self):
|
174 |
+
"""
|
175 |
+
Validate the `rope_scaling` configuration.
|
176 |
+
"""
|
177 |
+
if self.rope_scaling is None:
|
178 |
+
return
|
179 |
+
|
180 |
+
if not isinstance(self.rope_scaling, dict) or len(self.rope_scaling) != 3:
|
181 |
+
raise ValueError(
|
182 |
+
'`rope_scaling` must be a dictionary with three fields, `type`, `short_factor` and `long_factor`, '
|
183 |
+
f'got {self.rope_scaling}'
|
184 |
+
)
|
185 |
+
rope_scaling_type = self.rope_scaling.get('type', None)
|
186 |
+
rope_scaling_short_factor = self.rope_scaling.get('short_factor', None)
|
187 |
+
rope_scaling_long_factor = self.rope_scaling.get('long_factor', None)
|
188 |
+
if rope_scaling_type is None or rope_scaling_type not in ['su', 'yarn']:
|
189 |
+
raise ValueError(f"`rope_scaling`'s type field must be one of ['su', 'yarn'], got {rope_scaling_type}")
|
190 |
+
if not (
|
191 |
+
isinstance(rope_scaling_short_factor, list)
|
192 |
+
and all(isinstance(x, (int, float)) for x in rope_scaling_short_factor)
|
193 |
+
):
|
194 |
+
raise ValueError(
|
195 |
+
f"`rope_scaling`'s short_factor field must be a list of numbers, got {rope_scaling_short_factor}"
|
196 |
+
)
|
197 |
+
if not len(rope_scaling_short_factor) == self.hidden_size // self.num_attention_heads // 2:
|
198 |
+
raise ValueError(
|
199 |
+
f"`rope_scaling`'s short_factor field must have length {self.hidden_size // self.num_attention_heads // 2}, got {len(rope_scaling_short_factor)}"
|
200 |
+
)
|
201 |
+
if not (
|
202 |
+
isinstance(rope_scaling_long_factor, list)
|
203 |
+
and all(isinstance(x, (int, float)) for x in rope_scaling_long_factor)
|
204 |
+
):
|
205 |
+
raise ValueError(
|
206 |
+
f"`rope_scaling`'s long_factor field must be a list of numbers, got {rope_scaling_long_factor}"
|
207 |
+
)
|
208 |
+
if not len(rope_scaling_long_factor) == self.hidden_size // self.num_attention_heads // 2:
|
209 |
+
raise ValueError(
|
210 |
+
f"`rope_scaling`'s long_factor field must have length {self.hidden_size // self.num_attention_heads // 2}, got {len(rope_scaling_long_factor)}"
|
211 |
+
)
|
conversation.py
ADDED
@@ -0,0 +1,393 @@
|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
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|
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|
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|
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|
|
|
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|
|
|
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|
|
|
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|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
"""
|
2 |
+
Conversation prompt templates.
|
3 |
+
|
4 |
+
We kindly request that you import fastchat instead of copying this file if you wish to use it.
|
5 |
+
If you have changes in mind, please contribute back so the community can benefit collectively and continue to maintain these valuable templates.
|
6 |
+
"""
|
7 |
+
|
8 |
+
import dataclasses
|
9 |
+
from enum import IntEnum, auto
|
10 |
+
from typing import Any, Dict, List, Tuple, Union
|
11 |
+
|
12 |
+
|
13 |
+
class SeparatorStyle(IntEnum):
|
14 |
+
"""Separator styles."""
|
15 |
+
|
16 |
+
ADD_COLON_SINGLE = auto()
|
17 |
+
ADD_COLON_TWO = auto()
|
18 |
+
ADD_COLON_SPACE_SINGLE = auto()
|
19 |
+
NO_COLON_SINGLE = auto()
|
20 |
+
NO_COLON_TWO = auto()
|
21 |
+
ADD_NEW_LINE_SINGLE = auto()
|
22 |
+
LLAMA2 = auto()
|
23 |
+
CHATGLM = auto()
|
24 |
+
CHATML = auto()
|
25 |
+
CHATINTERN = auto()
|
26 |
+
DOLLY = auto()
|
27 |
+
RWKV = auto()
|
28 |
+
PHOENIX = auto()
|
29 |
+
ROBIN = auto()
|
30 |
+
FALCON_CHAT = auto()
|
31 |
+
CHATGLM3 = auto()
|
32 |
+
INTERNVL_ZH = auto()
|
33 |
+
MPT = auto()
|
34 |
+
|
35 |
+
|
36 |
+
@dataclasses.dataclass
|
37 |
+
class Conversation:
|
38 |
+
"""A class that manages prompt templates and keeps all conversation history."""
|
39 |
+
|
40 |
+
# The name of this template
|
41 |
+
name: str
|
42 |
+
# The template of the system prompt
|
43 |
+
system_template: str = '{system_message}'
|
44 |
+
# The system message
|
45 |
+
system_message: str = ''
|
46 |
+
# The names of two roles
|
47 |
+
roles: Tuple[str] = ('USER', 'ASSISTANT')
|
48 |
+
# All messages. Each item is (role, message).
|
49 |
+
messages: List[List[str]] = ()
|
50 |
+
# The number of few shot examples
|
51 |
+
offset: int = 0
|
52 |
+
# The separator style and configurations
|
53 |
+
sep_style: SeparatorStyle = SeparatorStyle.ADD_COLON_SINGLE
|
54 |
+
sep: str = '\n'
|
55 |
+
sep2: str = None
|
56 |
+
# Stop criteria (the default one is EOS token)
|
57 |
+
stop_str: Union[str, List[str]] = None
|
58 |
+
# Stops generation if meeting any token in this list
|
59 |
+
stop_token_ids: List[int] = None
|
60 |
+
|
61 |
+
def get_prompt(self) -> str:
|
62 |
+
"""Get the prompt for generation."""
|
63 |
+
system_prompt = self.system_template.format(system_message=self.system_message)
|
64 |
+
if self.sep_style == SeparatorStyle.ADD_COLON_SINGLE:
|
65 |
+
ret = system_prompt + self.sep
|
66 |
+
for role, message in self.messages:
|
67 |
+
if message:
|
68 |
+
ret += role + ': ' + message + self.sep
|
69 |
+
else:
|
70 |
+
ret += role + ':'
|
71 |
+
return ret
|
72 |
+
elif self.sep_style == SeparatorStyle.ADD_COLON_TWO:
|
73 |
+
seps = [self.sep, self.sep2]
|
74 |
+
ret = system_prompt + seps[0]
|
75 |
+
for i, (role, message) in enumerate(self.messages):
|
76 |
+
if message:
|
77 |
+
ret += role + ': ' + message + seps[i % 2]
|
78 |
+
else:
|
79 |
+
ret += role + ':'
|
80 |
+
return ret
|
81 |
+
elif self.sep_style == SeparatorStyle.ADD_COLON_SPACE_SINGLE:
|
82 |
+
ret = system_prompt + self.sep
|
83 |
+
for role, message in self.messages:
|
84 |
+
if message:
|
85 |
+
ret += role + ': ' + message + self.sep
|
86 |
+
else:
|
87 |
+
ret += role + ': ' # must be end with a space
|
88 |
+
return ret
|
89 |
+
elif self.sep_style == SeparatorStyle.ADD_NEW_LINE_SINGLE:
|
90 |
+
ret = '' if system_prompt == '' else system_prompt + self.sep
|
91 |
+
for role, message in self.messages:
|
92 |
+
if message:
|
93 |
+
ret += role + '\n' + message + self.sep
|
94 |
+
else:
|
95 |
+
ret += role + '\n'
|
96 |
+
return ret
|
97 |
+
elif self.sep_style == SeparatorStyle.NO_COLON_SINGLE:
|
98 |
+
ret = system_prompt
|
99 |
+
for role, message in self.messages:
|
100 |
+
if message:
|
101 |
+
ret += role + message + self.sep
|
102 |
+
else:
|
103 |
+
ret += role
|
104 |
+
return ret
|
105 |
+
elif self.sep_style == SeparatorStyle.NO_COLON_TWO:
|
106 |
+
seps = [self.sep, self.sep2]
|
107 |
+
ret = system_prompt
|
108 |
+
for i, (role, message) in enumerate(self.messages):
|
109 |
+
if message:
|
110 |
+
ret += role + message + seps[i % 2]
|
111 |
+
else:
|
112 |
+
ret += role
|
113 |
+
return ret
|
114 |
+
elif self.sep_style == SeparatorStyle.RWKV:
|
115 |
+
ret = system_prompt
|
116 |
+
for i, (role, message) in enumerate(self.messages):
|
117 |
+
if message:
|
118 |
+
ret += (
|
119 |
+
role
|
120 |
+
+ ': '
|
121 |
+
+ message.replace('\r\n', '\n').replace('\n\n', '\n')
|
122 |
+
)
|
123 |
+
ret += '\n\n'
|
124 |
+
else:
|
125 |
+
ret += role + ':'
|
126 |
+
return ret
|
127 |
+
elif self.sep_style == SeparatorStyle.LLAMA2:
|
128 |
+
seps = [self.sep, self.sep2]
|
129 |
+
if self.system_message:
|
130 |
+
ret = system_prompt
|
131 |
+
else:
|
132 |
+
ret = '[INST] '
|
133 |
+
for i, (role, message) in enumerate(self.messages):
|
134 |
+
tag = self.roles[i % 2]
|
135 |
+
if message:
|
136 |
+
if i == 0:
|
137 |
+
ret += message + ' '
|
138 |
+
else:
|
139 |
+
ret += tag + ' ' + message + seps[i % 2]
|
140 |
+
else:
|
141 |
+
ret += tag
|
142 |
+
return ret
|
143 |
+
elif self.sep_style == SeparatorStyle.CHATGLM:
|
144 |
+
# source: https://huggingface.co/THUDM/chatglm-6b/blob/1d240ba371910e9282298d4592532d7f0f3e9f3e/modeling_chatglm.py#L1302-L1308
|
145 |
+
# source2: https://huggingface.co/THUDM/chatglm2-6b/blob/e186c891cf64310ac66ef10a87e6635fa6c2a579/modeling_chatglm.py#L926
|
146 |
+
round_add_n = 1 if self.name == 'chatglm2' else 0
|
147 |
+
if system_prompt:
|
148 |
+
ret = system_prompt + self.sep
|
149 |
+
else:
|
150 |
+
ret = ''
|
151 |
+
|
152 |
+
for i, (role, message) in enumerate(self.messages):
|
153 |
+
if i % 2 == 0:
|
154 |
+
ret += f'[Round {i//2 + round_add_n}]{self.sep}'
|
155 |
+
|
156 |
+
if message:
|
157 |
+
ret += f'{role}:{message}{self.sep}'
|
158 |
+
else:
|
159 |
+
ret += f'{role}:'
|
160 |
+
return ret
|
161 |
+
elif self.sep_style == SeparatorStyle.CHATML:
|
162 |
+
ret = '' if system_prompt == '' else system_prompt + self.sep + '\n'
|
163 |
+
for role, message in self.messages:
|
164 |
+
if message:
|
165 |
+
ret += role + '\n' + message + self.sep + '\n'
|
166 |
+
else:
|
167 |
+
ret += role + '\n'
|
168 |
+
return ret
|
169 |
+
elif self.sep_style == SeparatorStyle.CHATGLM3:
|
170 |
+
ret = ''
|
171 |
+
if self.system_message:
|
172 |
+
ret += system_prompt
|
173 |
+
for role, message in self.messages:
|
174 |
+
if message:
|
175 |
+
ret += role + '\n' + ' ' + message
|
176 |
+
else:
|
177 |
+
ret += role
|
178 |
+
return ret
|
179 |
+
elif self.sep_style == SeparatorStyle.CHATINTERN:
|
180 |
+
# source: https://huggingface.co/internlm/internlm-chat-7b-8k/blob/bd546fa984b4b0b86958f56bf37f94aa75ab8831/modeling_internlm.py#L771
|
181 |
+
seps = [self.sep, self.sep2]
|
182 |
+
ret = system_prompt
|
183 |
+
for i, (role, message) in enumerate(self.messages):
|
184 |
+
# if i % 2 == 0:
|
185 |
+
# ret += "<s>"
|
186 |
+
if message:
|
187 |
+
ret += role + ':' + message + seps[i % 2] + '\n'
|
188 |
+
else:
|
189 |
+
ret += role + ':'
|
190 |
+
return ret
|
191 |
+
elif self.sep_style == SeparatorStyle.DOLLY:
|
192 |
+
seps = [self.sep, self.sep2]
|
193 |
+
ret = system_prompt
|
194 |
+
for i, (role, message) in enumerate(self.messages):
|
195 |
+
if message:
|
196 |
+
ret += role + ':\n' + message + seps[i % 2]
|
197 |
+
if i % 2 == 1:
|
198 |
+
ret += '\n\n'
|
199 |
+
else:
|
200 |
+
ret += role + ':\n'
|
201 |
+
return ret
|
202 |
+
elif self.sep_style == SeparatorStyle.PHOENIX:
|
203 |
+
ret = system_prompt
|
204 |
+
for role, message in self.messages:
|
205 |
+
if message:
|
206 |
+
ret += role + ': ' + '<s>' + message + '</s>'
|
207 |
+
else:
|
208 |
+
ret += role + ': ' + '<s>'
|
209 |
+
return ret
|
210 |
+
elif self.sep_style == SeparatorStyle.ROBIN:
|
211 |
+
ret = system_prompt + self.sep
|
212 |
+
for role, message in self.messages:
|
213 |
+
if message:
|
214 |
+
ret += role + ':\n' + message + self.sep
|
215 |
+
else:
|
216 |
+
ret += role + ':\n'
|
217 |
+
return ret
|
218 |
+
elif self.sep_style == SeparatorStyle.FALCON_CHAT:
|
219 |
+
ret = ''
|
220 |
+
if self.system_message:
|
221 |
+
ret += system_prompt + self.sep
|
222 |
+
for role, message in self.messages:
|
223 |
+
if message:
|
224 |
+
ret += role + ': ' + message + self.sep
|
225 |
+
else:
|
226 |
+
ret += role + ':'
|
227 |
+
|
228 |
+
return ret
|
229 |
+
elif self.sep_style == SeparatorStyle.INTERNVL_ZH:
|
230 |
+
seps = [self.sep, self.sep2]
|
231 |
+
ret = self.system_message + seps[0]
|
232 |
+
for i, (role, message) in enumerate(self.messages):
|
233 |
+
if message:
|
234 |
+
ret += role + ': ' + message + seps[i % 2]
|
235 |
+
else:
|
236 |
+
ret += role + ':'
|
237 |
+
return ret
|
238 |
+
elif self.sep_style == SeparatorStyle.MPT:
|
239 |
+
ret = system_prompt + self.sep
|
240 |
+
for role, message in self.messages:
|
241 |
+
if message:
|
242 |
+
if type(message) is tuple:
|
243 |
+
message, _, _ = message
|
244 |
+
ret += role + message + self.sep
|
245 |
+
else:
|
246 |
+
ret += role
|
247 |
+
return ret
|
248 |
+
else:
|
249 |
+
raise ValueError(f'Invalid style: {self.sep_style}')
|
250 |
+
|
251 |
+
def set_system_message(self, system_message: str):
|
252 |
+
"""Set the system message."""
|
253 |
+
self.system_message = system_message
|
254 |
+
|
255 |
+
def append_message(self, role: str, message: str):
|
256 |
+
"""Append a new message."""
|
257 |
+
self.messages.append([role, message])
|
258 |
+
|
259 |
+
def update_last_message(self, message: str):
|
260 |
+
"""Update the last output.
|
261 |
+
|
262 |
+
The last message is typically set to be None when constructing the prompt,
|
263 |
+
so we need to update it in-place after getting the response from a model.
|
264 |
+
"""
|
265 |
+
self.messages[-1][1] = message
|
266 |
+
|
267 |
+
def to_gradio_chatbot(self):
|
268 |
+
"""Convert the conversation to gradio chatbot format."""
|
269 |
+
ret = []
|
270 |
+
for i, (role, msg) in enumerate(self.messages[self.offset :]):
|
271 |
+
if i % 2 == 0:
|
272 |
+
ret.append([msg, None])
|
273 |
+
else:
|
274 |
+
ret[-1][-1] = msg
|
275 |
+
return ret
|
276 |
+
|
277 |
+
def to_openai_api_messages(self):
|
278 |
+
"""Convert the conversation to OpenAI chat completion format."""
|
279 |
+
ret = [{'role': 'system', 'content': self.system_message}]
|
280 |
+
|
281 |
+
for i, (_, msg) in enumerate(self.messages[self.offset :]):
|
282 |
+
if i % 2 == 0:
|
283 |
+
ret.append({'role': 'user', 'content': msg})
|
284 |
+
else:
|
285 |
+
if msg is not None:
|
286 |
+
ret.append({'role': 'assistant', 'content': msg})
|
287 |
+
return ret
|
288 |
+
|
289 |
+
def copy(self):
|
290 |
+
return Conversation(
|
291 |
+
name=self.name,
|
292 |
+
system_template=self.system_template,
|
293 |
+
system_message=self.system_message,
|
294 |
+
roles=self.roles,
|
295 |
+
messages=[[x, y] for x, y in self.messages],
|
296 |
+
offset=self.offset,
|
297 |
+
sep_style=self.sep_style,
|
298 |
+
sep=self.sep,
|
299 |
+
sep2=self.sep2,
|
300 |
+
stop_str=self.stop_str,
|
301 |
+
stop_token_ids=self.stop_token_ids,
|
302 |
+
)
|
303 |
+
|
304 |
+
def dict(self):
|
305 |
+
return {
|
306 |
+
'template_name': self.name,
|
307 |
+
'system_message': self.system_message,
|
308 |
+
'roles': self.roles,
|
309 |
+
'messages': self.messages,
|
310 |
+
'offset': self.offset,
|
311 |
+
}
|
312 |
+
|
313 |
+
|
314 |
+
# A global registry for all conversation templates
|
315 |
+
conv_templates: Dict[str, Conversation] = {}
|
316 |
+
|
317 |
+
|
318 |
+
def register_conv_template(template: Conversation, override: bool = False):
|
319 |
+
"""Register a new conversation template."""
|
320 |
+
if not override:
|
321 |
+
assert (
|
322 |
+
template.name not in conv_templates
|
323 |
+
), f'{template.name} has been registered.'
|
324 |
+
|
325 |
+
conv_templates[template.name] = template
|
326 |
+
|
327 |
+
|
328 |
+
def get_conv_template(name: str) -> Conversation:
|
329 |
+
"""Get a conversation template."""
|
330 |
+
return conv_templates[name].copy()
|
331 |
+
|
332 |
+
|
333 |
+
# Both Hermes-2 and internlm2-chat are chatml-format conversation templates. The difference
|
334 |
+
# is that during training, the preprocessing function for the Hermes-2 template doesn't add
|
335 |
+
# <s> at the beginning of the tokenized sequence, while the internlm2-chat template does.
|
336 |
+
# Therefore, they are completely equivalent during inference.
|
337 |
+
register_conv_template(
|
338 |
+
Conversation(
|
339 |
+
name='Hermes-2',
|
340 |
+
system_template='<|im_start|>system\n{system_message}',
|
341 |
+
# note: The new system prompt was not used here to avoid changes in benchmark performance.
|
342 |
+
# system_message='我是书生·万象,英文名是InternVL,是由上海人工智能实验室、清华大学及多家合作单位联合开发的多模态大语言模型。',
|
343 |
+
system_message='你是由上海人工智能实验室联合商汤科技开发的书生多模态大模型,英文名叫InternVL, 是一个有用无害的人工智能助手。',
|
344 |
+
roles=('<|im_start|>user\n', '<|im_start|>assistant\n'),
|
345 |
+
sep_style=SeparatorStyle.MPT,
|
346 |
+
sep='<|im_end|>',
|
347 |
+
stop_token_ids=[
|
348 |
+
2,
|
349 |
+
6,
|
350 |
+
7,
|
351 |
+
8,
|
352 |
+
],
|
353 |
+
stop_str='<|endoftext|>',
|
354 |
+
)
|
355 |
+
)
|
356 |
+
|
357 |
+
|
358 |
+
register_conv_template(
|
359 |
+
Conversation(
|
360 |
+
name='internlm2-chat',
|
361 |
+
system_template='<|im_start|>system\n{system_message}',
|
362 |
+
# note: The new system prompt was not used here to avoid changes in benchmark performance.
|
363 |
+
# system_message='我是书生·万象,英文名是InternVL,是由上海人工智能实验室、清华大学及多家合作单位联合开发的多模态大语言模型。',
|
364 |
+
system_message='你是由上海人工智能实验室联合商汤科技开发的书生多模态大模型,英文名叫InternVL, 是一个有用无害的人工智能助手。',
|
365 |
+
roles=('<|im_start|>user\n', '<|im_start|>assistant\n'),
|
366 |
+
sep_style=SeparatorStyle.MPT,
|
367 |
+
sep='<|im_end|>',
|
368 |
+
stop_token_ids=[
|
369 |
+
2,
|
370 |
+
92543,
|
371 |
+
92542
|
372 |
+
]
|
373 |
+
)
|
374 |
+
)
|
375 |
+
|
376 |
+
|
377 |
+
register_conv_template(
|
378 |
+
Conversation(
|
379 |
+
name='phi3-chat',
|
380 |
+
system_template='<|system|>\n{system_message}',
|
381 |
+
# note: The new system prompt was not used here to avoid changes in benchmark performance.
|
382 |
+
# system_message='我是书生·万象,英文名是InternVL,是由上海人工智能实验室、清华大学及多家合作单位联合开发的多模态大语言模型。',
|
383 |
+
system_message='你是由上海人工智能实验室联合商汤科技开发的书生多模态大模型,英文名叫InternVL, 是一个有用无害的人工智能助手。',
|
384 |
+
roles=('<|user|>\n', '<|assistant|>\n'),
|
385 |
+
sep_style=SeparatorStyle.MPT,
|
386 |
+
sep='<|end|>',
|
387 |
+
stop_token_ids=[
|
388 |
+
2,
|
389 |
+
32000,
|
390 |
+
32007
|
391 |
+
]
|
392 |
+
)
|
393 |
+
)
|
data.py
ADDED
@@ -0,0 +1,19 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
from datasets import load_dataset
|
2 |
+
import torch
|
3 |
+
import config
|
4 |
+
from model import load_image
|
5 |
+
|
6 |
+
from diffusers.utils.loading_utils import load_image as dl_to_pil
|
7 |
+
|
8 |
+
def my_collate(batch):
|
9 |
+
try:
|
10 |
+
img = [item['image'] for item in batch]
|
11 |
+
img = torch.cat([load_image(pil_image=i, image_file=None) for i in img])
|
12 |
+
text = ['''<|user|><img><IMG_CONTEXT></img><|end|><|assistant|>'''+item['prompt'] for item in batch]
|
13 |
+
except Exception as e:
|
14 |
+
print(e)
|
15 |
+
return None
|
16 |
+
return {'image':img, 'text':text}
|
17 |
+
|
18 |
+
ds = load_dataset("stylebreeder/stylebreeder", split='2M_sample', streaming=True).shuffle(seed=7, buffer_size=1)
|
19 |
+
dataloader = torch.utils.data.DataLoader(ds, num_workers=32, collate_fn=my_collate, batch_size=config.batch_size)
|
inference.ipynb
ADDED
@@ -0,0 +1,623 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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1 |
+
{
|
2 |
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"cells": [
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3 |
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{
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4 |
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"cell_type": "code",
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5 |
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"execution_count": null,
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6 |
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"metadata": {
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7 |
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"id": "ZJjAmplaD4FG"
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8 |
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9 |
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"outputs": [],
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"source": [
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11 |
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"\n"
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12 |
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13 |
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14 |
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{
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17 |
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"metadata": {
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18 |
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"id": "At_60t8A92zP"
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"outputs": [
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21 |
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{
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24 |
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"text": [
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"/home/ryn_mote/Misc/vlm_with_pooled_for_text_genrec\n"
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26 |
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27 |
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28 |
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{
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29 |
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"/home/ryn_mote/anaconda3/lib/python3.10/site-packages/huggingface_hub/file_download.py:1132: FutureWarning: `resume_download` is deprecated and will be removed in version 1.0.0. Downloads always resume when possible. If you want to force a new download, use `force_download=True`.\n",
|
33 |
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" warnings.warn(\n"
|
34 |
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]
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35 |
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},
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36 |
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{
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37 |
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"data": {
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41 |
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42 |
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},
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43 |
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44 |
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"Loading checkpoint shards: 0%| | 0/2 [00:00<?, ?it/s]"
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45 |
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46 |
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47 |
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54 |
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'vision_model.encoder.layers.9.norm1.bias', 'vision_model.encoder.layers.9.norm1.weight', 'vision_model.encoder.layers.9.norm2.bias', 'vision_model.encoder.layers.9.norm2.weight']\n",
|
55 |
+
"- This IS expected if you are initializing InternVLChatModel from the checkpoint of a model trained on another task or with another architecture (e.g. initializing a BertForSequenceClassification model from a BertForPreTraining model).\n",
|
56 |
+
"- This IS NOT expected if you are initializing InternVLChatModel from the checkpoint of a model that you expect to be exactly identical (initializing a BertForSequenceClassification model from a BertForSequenceClassification model).\n",
|
57 |
+
"Some weights of InternVLChatModel were not initialized from the model checkpoint at OpenGVLab/InternVL2-4B and are newly initialized: ['vision_model.logit_scale', 'vision_model.text_model.embeddings.position_embedding.weight', 'vision_model.text_model.embeddings.token_embedding.weight', 'vision_model.text_model.encoder.layers.0.layer_norm1.bias', 'vision_model.text_model.encoder.layers.0.layer_norm1.weight', 'vision_model.text_model.encoder.layers.0.layer_norm2.bias', 'vision_model.text_model.encoder.layers.0.layer_norm2.weight', 'vision_model.text_model.encoder.layers.0.mlp.fc1.bias', 'vision_model.text_model.encoder.layers.0.mlp.fc1.weight', 'vision_model.text_model.encoder.layers.0.mlp.fc2.bias', 'vision_model.text_model.encoder.layers.0.mlp.fc2.weight', 'vision_model.text_model.encoder.layers.0.self_attn.k_proj.bias', 'vision_model.text_model.encoder.layers.0.self_attn.k_proj.weight', 'vision_model.text_model.encoder.layers.0.self_attn.out_proj.bias', 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'vision_model.vision_model.encoder.layers.9.self_attn.out_proj.weight', 'vision_model.vision_model.encoder.layers.9.self_attn.q_proj.bias', 'vision_model.vision_model.encoder.layers.9.self_attn.q_proj.weight', 'vision_model.vision_model.encoder.layers.9.self_attn.v_proj.bias', 'vision_model.vision_model.encoder.layers.9.self_attn.v_proj.weight', 'vision_model.vision_model.post_layernorm.bias', 'vision_model.vision_model.post_layernorm.weight', 'vision_model.vision_model.pre_layrnorm.bias', 'vision_model.vision_model.pre_layrnorm.weight', 'vision_model.visual_projection.weight']\n",
|
58 |
+
"You should probably TRAIN this model on a down-stream task to be able to use it for predictions and inference.\n",
|
59 |
+
"Some weights of InternVLChatModel were not initialized from the model checkpoint at OpenGVLab/InternVL2-4B and are newly initialized because the shapes did not match:\n",
|
60 |
+
"- mlp1.0.bias: found shape torch.Size([4096]) in the checkpoint and torch.Size([512]) in the model instantiated\n",
|
61 |
+
"- mlp1.0.weight: found shape torch.Size([4096]) in the checkpoint and torch.Size([512]) in the model instantiated\n",
|
62 |
+
"- mlp1.1.weight: found shape torch.Size([3072, 4096]) in the checkpoint and torch.Size([3072, 512]) in the model instantiated\n",
|
63 |
+
"You should probably TRAIN this model on a down-stream task to be able to use it for predictions and inference.\n",
|
64 |
+
"Special tokens have been added in the vocabulary, make sure the associated word embeddings are fine-tuned or trained.\n"
|
65 |
+
]
|
66 |
+
},
|
67 |
+
{
|
68 |
+
"name": "stdout",
|
69 |
+
"output_type": "stream",
|
70 |
+
"text": [
|
71 |
+
"Sequential(\n",
|
72 |
+
" (0): LayerNorm((512,), eps=1e-05, elementwise_affine=True)\n",
|
73 |
+
" (1): Linear(in_features=512, out_features=3072, bias=True)\n",
|
74 |
+
" (2): GELU(approximate='none')\n",
|
75 |
+
" (3): Linear(in_features=3072, out_features=3072, bias=True)\n",
|
76 |
+
")\n",
|
77 |
+
"Training: [Parameter containing:\n",
|
78 |
+
"tensor([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
79 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
80 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
81 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
82 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
83 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
84 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
85 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
86 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
87 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
88 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
89 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
90 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
91 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
92 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
93 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
94 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
95 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
96 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
97 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
98 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
99 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
100 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
101 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
102 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
103 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
104 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
105 |
+
" 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n",
|
106 |
+
" 1., 1., 1., 1., 1., 1., 1., 1.], device='cuda:0', requires_grad=True), Parameter containing:\n",
|
107 |
+
"tensor([0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.,\n",
|
108 |
+
" 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.,\n",
|
109 |
+
" 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.,\n",
|
110 |
+
" 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.,\n",
|
111 |
+
" 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.,\n",
|
112 |
+
" 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.,\n",
|
113 |
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|
128 |
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" 0., 0., 0., 0., 0., 0., 0., 0.], device='cuda:0', requires_grad=True), Parameter containing:\n",
|
129 |
+
"tensor([[ 0.0339, 0.0376, 0.0073, ..., -0.0339, 0.0238, 0.0062],\n",
|
130 |
+
" [-0.0052, -0.0187, 0.0059, ..., 0.0276, -0.0090, 0.0187],\n",
|
131 |
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" [ 0.0234, -0.0322, 0.0179, ..., -0.0114, -0.0010, 0.0280],\n",
|
132 |
+
" ...,\n",
|
133 |
+
" [ 0.0104, -0.0007, 0.0242, ..., -0.0311, -0.0272, 0.0166],\n",
|
134 |
+
" [-0.0249, -0.0128, 0.0104, ..., -0.0432, -0.0334, 0.0048],\n",
|
135 |
+
" [-0.0300, -0.0374, 0.0021, ..., -0.0104, 0.0311, 0.0000]],\n",
|
136 |
+
" device='cuda:0', requires_grad=True), Parameter containing:\n",
|
137 |
+
"tensor([-0.0425, -0.0312, -0.0302, ..., -0.0107, -0.0334, -0.0184],\n",
|
138 |
+
" device='cuda:0', requires_grad=True), Parameter containing:\n",
|
139 |
+
"tensor([[ 0.0349, -0.0058, -0.0051, ..., -0.0162, -0.0181, -0.0238],\n",
|
140 |
+
" [-0.0034, -0.0095, -0.0264, ..., -0.0123, 0.0048, -0.0051],\n",
|
141 |
+
" [-0.0266, 0.0070, -0.0043, ..., 0.0015, 0.0116, 0.0056],\n",
|
142 |
+
" ...,\n",
|
143 |
+
" [-0.0108, -0.0024, -0.0011, ..., 0.0107, -0.0093, -0.0156],\n",
|
144 |
+
" [-0.0225, 0.0118, -0.0011, ..., 0.0048, 0.0154, 0.0074],\n",
|
145 |
+
" [-0.0044, -0.0165, 0.0197, ..., 0.0096, 0.0107, -0.0024]],\n",
|
146 |
+
" device='cuda:0', requires_grad=True), Parameter containing:\n",
|
147 |
+
"tensor([-0.0131, 0.0132, -0.0184, ..., -0.0135, -0.0006, 0.0028],\n",
|
148 |
+
" device='cuda:0', requires_grad=True)]\n"
|
149 |
+
]
|
150 |
+
}
|
151 |
+
],
|
152 |
+
"source": [
|
153 |
+
"\n",
|
154 |
+
"%cd /home/ryn_mote/Misc/vlm_with_pooled_for_text_genrec/\n",
|
155 |
+
"\n",
|
156 |
+
"import numpy as np\n",
|
157 |
+
"import torch\n",
|
158 |
+
"import torchvision.transforms as T\n",
|
159 |
+
"from PIL import Image\n",
|
160 |
+
"from torchvision.transforms.functional import InterpolationMode\n",
|
161 |
+
"from transformers import AutoModel, AutoTokenizer\n",
|
162 |
+
"\n",
|
163 |
+
"from model import model, tokenizer\n"
|
164 |
+
]
|
165 |
+
},
|
166 |
+
{
|
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+
"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"colab": {
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"base_uri": "https://localhost:8080/",
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"height": 243,
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"referenced_widgets": [
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"851538e4adf34b9a923d109af48bf10f",
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]
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},
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"id": "Fjz_CIWCgHIN",
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"outputId": "c64d772a-5df0-4f7e-e535-387777099423"
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},
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"outputs": [],
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"source": []
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},
|
193 |
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{
|
194 |
+
"cell_type": "code",
|
195 |
+
"execution_count": null,
|
196 |
+
"metadata": {
|
197 |
+
"colab": {
|
198 |
+
"base_uri": "https://localhost:8080/"
|
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},
|
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"id": "A3ep4uzx80DJ",
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"outputId": "012b5503-8950-4daf-b07f-cbf5c5da2e07"
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},
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"outputs": [],
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"source": [
|
205 |
+
"\n",
|
206 |
+
"from model import load_image\n",
|
207 |
+
"\n",
|
208 |
+
"# set the max number of tiles in `max_num`\n",
|
209 |
+
"with torch.cuda.amp.autocast(True, torch.bfloat16):\n",
|
210 |
+
" pixel_values = load_image('/home/ryn_mote/Downloads/A polaroid of Silver Forgettings -- This flower does not exist.png', max_num=1).cuda()\n",
|
211 |
+
" emb1 = model.extract_feature(pixel_values.to(torch.bfloat16))\n",
|
212 |
+
"\n",
|
213 |
+
" pixel_values = load_image('/home/ryn_mote/Downloads/20230707_160218.jpg', max_num=1).cuda()\n",
|
214 |
+
" emb2 = model.extract_feature(pixel_values.to(torch.bfloat16))\n",
|
215 |
+
"\n",
|
216 |
+
" w = [3, 5]\n",
|
217 |
+
" embs = (emb1*w[0]+emb2*w[1]) / sum(w)\n",
|
218 |
+
"\n",
|
219 |
+
" generation_config = dict(max_new_tokens=32, do_sample=False,)\n",
|
220 |
+
"\n",
|
221 |
+
" # single-image single-round conversation (单图单轮对话)\n",
|
222 |
+
" question = '\\n '\n",
|
223 |
+
" response = model.chat(tokenizer, pixel_values, question, generation_config, visual_features=embs.to(torch.bfloat16))\n",
|
224 |
+
" print(f'User: {question}\\nAssistant: {response}')\n"
|
225 |
+
]
|
226 |
+
},
|
227 |
+
{
|
228 |
+
"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"id": "ncu5qq0wEfKN"
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},
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"outputs": [],
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"source": []
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{
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|
621 |
+
"nbformat": 4,
|
622 |
+
"nbformat_minor": 1
|
623 |
+
}
|
internvl2_patches.py
ADDED
@@ -0,0 +1,325 @@
|
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|
|
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|
|
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|
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|
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|
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|
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|
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|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
|
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|
|
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|
|
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|
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|
|
|
|
|
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|
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|
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|
|
|
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|
|
|
|
|
|
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|
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|
|
|
|
|
|
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|
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|
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|
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|
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|
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|
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|
|
|
|
|
|
|
|
|
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|
|
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|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
# --------------------------------------------------------
|
2 |
+
# InternVL
|
3 |
+
# Copyright (c) 2024 OpenGVLab
|
4 |
+
# Licensed under The MIT License [see LICENSE for details]
|
5 |
+
# --------------------------------------------------------
|
6 |
+
import warnings
|
7 |
+
from typing import Any, List, Optional, Tuple, Union
|
8 |
+
|
9 |
+
import torch.utils.checkpoint
|
10 |
+
import transformers
|
11 |
+
from torch import nn
|
12 |
+
from torch.nn import CrossEntropyLoss
|
13 |
+
from transformers import (AutoModel, GenerationConfig, LlamaForCausalLM,
|
14 |
+
LlamaTokenizer)
|
15 |
+
from transformers.modeling_outputs import CausalLMOutputWithPast
|
16 |
+
from transformers.modeling_utils import PreTrainedModel
|
17 |
+
from transformers.utils import ModelOutput, logging
|
18 |
+
|
19 |
+
from configuration_internvl_chat import InternVLChatConfig
|
20 |
+
from conversation import get_conv_template
|
21 |
+
from modeling_intern_vit import InternVisionModel, has_flash_attn
|
22 |
+
from modeling_phi3 import Phi3ForCausalLM
|
23 |
+
|
24 |
+
from transformers import CLIPProcessor, CLIPModel
|
25 |
+
|
26 |
+
|
27 |
+
logger = logging.get_logger(__name__)
|
28 |
+
|
29 |
+
|
30 |
+
def version_cmp(v1, v2, op='eq'):
|
31 |
+
import operator
|
32 |
+
|
33 |
+
from packaging import version
|
34 |
+
op_func = getattr(operator, op)
|
35 |
+
return op_func(version.parse(v1), version.parse(v2))
|
36 |
+
|
37 |
+
|
38 |
+
class InternVLChatModel(PreTrainedModel):
|
39 |
+
config_class = InternVLChatConfig
|
40 |
+
main_input_name = 'pixel_values'
|
41 |
+
_supports_flash_attn_2 = True
|
42 |
+
_no_split_modules = ['InternVisionModel', 'LlamaDecoderLayer', 'Phi3DecoderLayer']
|
43 |
+
|
44 |
+
def __init__(self, config: InternVLChatConfig, vision_model=None, language_model=None, use_flash_attn=True):
|
45 |
+
super().__init__(config)
|
46 |
+
|
47 |
+
assert version_cmp(transformers.__version__, '4.36.2', 'ge')
|
48 |
+
image_size = config.force_image_size or config.vision_config.image_size
|
49 |
+
patch_size = config.vision_config.patch_size
|
50 |
+
self.patch_size = patch_size
|
51 |
+
self.select_layer = config.select_layer
|
52 |
+
self.template = config.template
|
53 |
+
self.num_image_token = 1#int((image_size // patch_size) ** 2 * (config.downsample_ratio ** 2))
|
54 |
+
self.downsample_ratio = config.downsample_ratio
|
55 |
+
self.ps_version = config.ps_version
|
56 |
+
use_flash_attn = use_flash_attn if has_flash_attn else False
|
57 |
+
config.vision_config.use_flash_attn = True if use_flash_attn else False
|
58 |
+
config.llm_config._attn_implementation = 'flash_attention_2' if use_flash_attn else 'eager'
|
59 |
+
|
60 |
+
logger.info(f'num_image_token: {self.num_image_token}')
|
61 |
+
logger.info(f'ps_version: {self.ps_version}')
|
62 |
+
if vision_model is not None:
|
63 |
+
self.vision_model = vision_model
|
64 |
+
else:
|
65 |
+
self.vision_model = CLIPModel.from_pretrained(
|
66 |
+
"openai/clip-vit-base-patch16",
|
67 |
+
# attn_implementation="flash_attention_2",
|
68 |
+
# device_map=device,
|
69 |
+
# torch_dtype=torch_dtype,
|
70 |
+
)
|
71 |
+
# self.processor = CLIPProcessor.from_pretrained("openai/clip-vit-base-patch32")
|
72 |
+
|
73 |
+
if language_model is not None:
|
74 |
+
self.language_model = language_model
|
75 |
+
else:
|
76 |
+
if config.llm_config.architectures[0] == 'LlamaForCausalLM':
|
77 |
+
self.language_model = LlamaForCausalLM(config.llm_config)
|
78 |
+
elif config.llm_config.architectures[0] == 'Phi3ForCausalLM':
|
79 |
+
self.language_model = Phi3ForCausalLM(config.llm_config)
|
80 |
+
else:
|
81 |
+
raise NotImplementedError(f'{config.llm_config.architectures[0]} is not implemented.')
|
82 |
+
|
83 |
+
vit_hidden_size = 512# config.vision_config.hidden_size
|
84 |
+
llm_hidden_size = config.llm_config.hidden_size
|
85 |
+
|
86 |
+
self.mlp1 = nn.Sequential(
|
87 |
+
nn.LayerNorm(vit_hidden_size),
|
88 |
+
nn.Linear(vit_hidden_size, llm_hidden_size),
|
89 |
+
nn.GELU(),
|
90 |
+
nn.Linear(llm_hidden_size, llm_hidden_size)
|
91 |
+
)
|
92 |
+
|
93 |
+
self.img_context_token_id = None
|
94 |
+
self.conv_template = get_conv_template(self.template)
|
95 |
+
self.system_message = self.conv_template.system_message
|
96 |
+
|
97 |
+
def forward(
|
98 |
+
self,
|
99 |
+
pixel_values: torch.FloatTensor,
|
100 |
+
input_ids: torch.LongTensor = None,
|
101 |
+
attention_mask: Optional[torch.Tensor] = None,
|
102 |
+
position_ids: Optional[torch.LongTensor] = None,
|
103 |
+
image_flags: Optional[torch.LongTensor] = None,
|
104 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
105 |
+
labels: Optional[torch.LongTensor] = None,
|
106 |
+
use_cache: Optional[bool] = None,
|
107 |
+
output_attentions: Optional[bool] = None,
|
108 |
+
output_hidden_states: Optional[bool] = None,
|
109 |
+
return_dict: Optional[bool] = None,
|
110 |
+
) -> Union[Tuple, CausalLMOutputWithPast]:
|
111 |
+
assert self.img_context_token_id
|
112 |
+
|
113 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
114 |
+
|
115 |
+
input_embeds = self.language_model.get_input_embeddings()(input_ids)
|
116 |
+
|
117 |
+
vit_embeds = self.extract_feature(pixel_values)
|
118 |
+
vit_embeds = self.mlp1(vit_embeds)
|
119 |
+
vit_batch_size = pixel_values.shape[0]
|
120 |
+
|
121 |
+
B, N, C = input_embeds.shape
|
122 |
+
input_embeds = input_embeds.reshape(B * N, C)
|
123 |
+
|
124 |
+
# if torch.distributed.get_rank() == 0:
|
125 |
+
# print(f'dynamic ViT batch size: {vit_batch_size}, images per sample: {vit_batch_size / B}, dynamic token length: {N}')
|
126 |
+
|
127 |
+
input_ids = input_ids.reshape(B * N)
|
128 |
+
selected = (input_ids == self.img_context_token_id)
|
129 |
+
try:
|
130 |
+
input_embeds[selected] = input_embeds[selected] * 0.0 + vit_embeds.reshape(-1, C)
|
131 |
+
except Exception as e:
|
132 |
+
vit_embeds = vit_embeds.reshape(-1, C)
|
133 |
+
print(f'warning: {e}, input_embeds[selected].shape={input_embeds[selected].shape}, '
|
134 |
+
f'vit_embeds.shape={vit_embeds.shape}')
|
135 |
+
n_token = selected.sum()
|
136 |
+
input_embeds[selected] = input_embeds[selected] * 0.0 + vit_embeds[:n_token]
|
137 |
+
|
138 |
+
input_embeds = input_embeds.reshape(B, N, C)
|
139 |
+
|
140 |
+
outputs = self.language_model(
|
141 |
+
inputs_embeds=input_embeds,
|
142 |
+
attention_mask=attention_mask,
|
143 |
+
position_ids=position_ids,
|
144 |
+
past_key_values=past_key_values,
|
145 |
+
use_cache=use_cache,
|
146 |
+
output_attentions=output_attentions,
|
147 |
+
output_hidden_states=output_hidden_states,
|
148 |
+
return_dict=return_dict,
|
149 |
+
)
|
150 |
+
logits = outputs.logits
|
151 |
+
|
152 |
+
loss = None
|
153 |
+
if labels is not None:
|
154 |
+
# Shift so that tokens < n predict n
|
155 |
+
shift_logits = logits[..., :-1, :].contiguous()
|
156 |
+
shift_labels = labels[..., 1:].contiguous()
|
157 |
+
# Flatten the tokens
|
158 |
+
loss_fct = CrossEntropyLoss()
|
159 |
+
shift_logits = shift_logits.view(-1, self.language_model.config.vocab_size)
|
160 |
+
shift_labels = shift_labels.view(-1)
|
161 |
+
# Enable model parallelism
|
162 |
+
shift_labels = shift_labels.to(shift_logits.device)
|
163 |
+
loss = loss_fct(shift_logits, shift_labels)
|
164 |
+
|
165 |
+
if not return_dict:
|
166 |
+
output = (logits,) + outputs[1:]
|
167 |
+
return (loss,) + output if loss is not None else output
|
168 |
+
|
169 |
+
return CausalLMOutputWithPast(
|
170 |
+
loss=loss,
|
171 |
+
logits=logits,
|
172 |
+
past_key_values=outputs.past_key_values,
|
173 |
+
hidden_states=outputs.hidden_states,
|
174 |
+
attentions=outputs.attentions,
|
175 |
+
)
|
176 |
+
|
177 |
+
def pixel_shuffle(self, x, scale_factor=0.5):
|
178 |
+
n, w, h, c = x.size()
|
179 |
+
# N, W, H, C --> N, W, H * scale, C // scale
|
180 |
+
x = x.view(n, w, int(h * scale_factor), int(c / scale_factor))
|
181 |
+
# N, W, H * scale, C // scale --> N, H * scale, W, C // scale
|
182 |
+
x = x.permute(0, 2, 1, 3).contiguous()
|
183 |
+
# N, H * scale, W, C // scale --> N, H * scale, W * scale, C // (scale ** 2)
|
184 |
+
x = x.view(n, int(h * scale_factor), int(w * scale_factor),
|
185 |
+
int(c / (scale_factor * scale_factor)))
|
186 |
+
if self.ps_version == 'v1':
|
187 |
+
warnings.warn("In ps_version 'v1', the height and width have not been swapped back, "
|
188 |
+
'which results in a transposed image.')
|
189 |
+
else:
|
190 |
+
x = x.permute(0, 2, 1, 3).contiguous()
|
191 |
+
return x
|
192 |
+
|
193 |
+
def extract_feature(self, pixel_values):
|
194 |
+
# inputs = self.processor(images=pixel_values,
|
195 |
+
# return_tensors="pt").to(self.vision_model.device, self.vision_model.dtype)
|
196 |
+
vit_embeds = self.vision_model.get_image_features(pixel_values,
|
197 |
+
return_dict=True)
|
198 |
+
|
199 |
+
vit_embeds = vit_embeds.reshape(pixel_values.shape[0], -1, vit_embeds.shape[-1])
|
200 |
+
return vit_embeds
|
201 |
+
|
202 |
+
def batch_chat(self, tokenizer, pixel_values, questions, generation_config, num_patches_list=None,
|
203 |
+
history=None, return_history=False, IMG_START_TOKEN='<img>', IMG_END_TOKEN='</img>',
|
204 |
+
IMG_CONTEXT_TOKEN='<IMG_CONTEXT>', verbose=False, image_counts=None):
|
205 |
+
if history is not None or return_history:
|
206 |
+
print('Now multi-turn chat is not supported in batch_chat.')
|
207 |
+
raise NotImplementedError
|
208 |
+
|
209 |
+
if image_counts is not None:
|
210 |
+
num_patches_list = image_counts
|
211 |
+
print('Warning: `image_counts` is deprecated. Please use `num_patches_list` instead.')
|
212 |
+
|
213 |
+
img_context_token_id = tokenizer.convert_tokens_to_ids(IMG_CONTEXT_TOKEN)
|
214 |
+
self.img_context_token_id = img_context_token_id
|
215 |
+
|
216 |
+
if verbose and pixel_values is not None:
|
217 |
+
image_bs = pixel_values.shape[0]
|
218 |
+
print(f'dynamic ViT batch size: {image_bs}')
|
219 |
+
|
220 |
+
queries = []
|
221 |
+
for idx, num_patches in enumerate(num_patches_list):
|
222 |
+
question = questions[idx]
|
223 |
+
if pixel_values is not None and '<image>' not in question:
|
224 |
+
question = '<image>\n' + question
|
225 |
+
template = get_conv_template(self.template)
|
226 |
+
template.system_message = self.system_message
|
227 |
+
template.append_message(template.roles[0], question)
|
228 |
+
template.append_message(template.roles[1], None)
|
229 |
+
query = template.get_prompt()
|
230 |
+
|
231 |
+
image_tokens = IMG_START_TOKEN + IMG_CONTEXT_TOKEN * self.num_image_token * num_patches + IMG_END_TOKEN
|
232 |
+
query = query.replace('<image>', image_tokens, 1)
|
233 |
+
queries.append(query)
|
234 |
+
|
235 |
+
tokenizer.padding_side = 'left'
|
236 |
+
model_inputs = tokenizer(queries, return_tensors='pt', padding=True)
|
237 |
+
input_ids = model_inputs['input_ids'].cuda()
|
238 |
+
attention_mask = model_inputs['attention_mask'].cuda()
|
239 |
+
eos_token_id = tokenizer.convert_tokens_to_ids(template.sep)
|
240 |
+
generation_config['eos_token_id'] = eos_token_id
|
241 |
+
generation_output = self.generate(
|
242 |
+
pixel_values=pixel_values,
|
243 |
+
input_ids=input_ids,
|
244 |
+
attention_mask=attention_mask,
|
245 |
+
**generation_config
|
246 |
+
)
|
247 |
+
responses = tokenizer.batch_decode(generation_output, skip_special_tokens=True)
|
248 |
+
responses = [response.split(template.sep)[0].strip() for response in responses]
|
249 |
+
return responses
|
250 |
+
|
251 |
+
def chat(self, tokenizer, pixel_values, question, generation_config, history=None, return_history=False,
|
252 |
+
num_patches_list=None, IMG_START_TOKEN='<img>', IMG_END_TOKEN='</img>', IMG_CONTEXT_TOKEN='<IMG_CONTEXT>',
|
253 |
+
verbose=False, visual_features=None):
|
254 |
+
|
255 |
+
|
256 |
+
img_context_token_id = tokenizer.convert_tokens_to_ids(IMG_CONTEXT_TOKEN)
|
257 |
+
self.img_context_token_id = img_context_token_id
|
258 |
+
|
259 |
+
template = get_conv_template(self.template)
|
260 |
+
# template.system_message = self.system_message
|
261 |
+
eos_token_id = tokenizer.convert_tokens_to_ids(template.sep)
|
262 |
+
|
263 |
+
query = '''<|user|><img><IMG_CONTEXT></img><|end|><|assistant|>'''
|
264 |
+
|
265 |
+
model_inputs = tokenizer(query, return_tensors='pt')
|
266 |
+
input_ids = model_inputs['input_ids'].cuda()
|
267 |
+
attention_mask = model_inputs['attention_mask'].cuda()
|
268 |
+
generation_config['eos_token_id'] = eos_token_id
|
269 |
+
generation_output = self.generate(
|
270 |
+
pixel_values=pixel_values,
|
271 |
+
input_ids=input_ids,
|
272 |
+
attention_mask=attention_mask,
|
273 |
+
visual_features=visual_features,
|
274 |
+
**generation_config
|
275 |
+
)
|
276 |
+
response = tokenizer.batch_decode(generation_output, skip_special_tokens=True)[0]
|
277 |
+
|
278 |
+
return response
|
279 |
+
|
280 |
+
@torch.no_grad()
|
281 |
+
def generate(
|
282 |
+
self,
|
283 |
+
pixel_values: Optional[torch.FloatTensor] = None,
|
284 |
+
input_ids: Optional[torch.FloatTensor] = None,
|
285 |
+
attention_mask: Optional[torch.LongTensor] = None,
|
286 |
+
visual_features: Optional[torch.FloatTensor] = None,
|
287 |
+
generation_config: Optional[GenerationConfig] = None,
|
288 |
+
output_hidden_states: Optional[bool] = None,
|
289 |
+
return_dict: Optional[bool] = None,
|
290 |
+
**generate_kwargs,
|
291 |
+
) -> torch.LongTensor:
|
292 |
+
|
293 |
+
assert self.img_context_token_id is not None
|
294 |
+
if pixel_values is not None:
|
295 |
+
if visual_features is not None:
|
296 |
+
vit_embeds = visual_features
|
297 |
+
else:
|
298 |
+
vit_embeds = self.extract_feature(pixel_values)
|
299 |
+
vit_embeds = self.mlp1(vit_embeds)
|
300 |
+
|
301 |
+
|
302 |
+
input_embeds = self.language_model.get_input_embeddings()(input_ids)
|
303 |
+
B, N, C = input_embeds.shape
|
304 |
+
input_embeds = input_embeds.reshape(B * N, C)
|
305 |
+
|
306 |
+
input_ids = input_ids.reshape(B * N)
|
307 |
+
selected = (input_ids == self.img_context_token_id)
|
308 |
+
assert selected.sum() != 0
|
309 |
+
input_embeds[selected] = vit_embeds.reshape(-1, C).to(input_embeds.device)
|
310 |
+
|
311 |
+
input_embeds = input_embeds.reshape(B, N, C)
|
312 |
+
else:
|
313 |
+
input_embeds = self.language_model.get_input_embeddings()(input_ids)
|
314 |
+
|
315 |
+
outputs = self.language_model.generate(
|
316 |
+
inputs_embeds=input_embeds,
|
317 |
+
attention_mask=attention_mask,
|
318 |
+
generation_config=generation_config,
|
319 |
+
output_hidden_states=output_hidden_states,
|
320 |
+
return_dict=return_dict,
|
321 |
+
use_cache=True,
|
322 |
+
**generate_kwargs,
|
323 |
+
)
|
324 |
+
|
325 |
+
return outputs
|
model.py
ADDED
@@ -0,0 +1,115 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
import numpy as np
|
2 |
+
import torch
|
3 |
+
import torchvision.transforms as T
|
4 |
+
from PIL import Image
|
5 |
+
from torchvision.transforms.functional import InterpolationMode
|
6 |
+
from transformers import AutoModel, AutoTokenizer
|
7 |
+
|
8 |
+
from internvl2_patches import InternVLChatModel
|
9 |
+
|
10 |
+
import config
|
11 |
+
|
12 |
+
|
13 |
+
# If you want to load a model using multiple GPUs, please refer to the `Multiple GPUs` section.
|
14 |
+
path = config.path
|
15 |
+
model = InternVLChatModel.from_pretrained(
|
16 |
+
path,
|
17 |
+
torch_dtype=config.dtype,
|
18 |
+
# low_cpu_mem_usage=True,
|
19 |
+
use_flash_attn=True,
|
20 |
+
ignore_mismatched_sizes=True,
|
21 |
+
revision='7f49802f5bf1e6e3d20b6f69268701c7eb67e037').to(config.device)
|
22 |
+
tokenizer = AutoTokenizer.from_pretrained('OpenGVLab/InternVL2-4B', trust_remote_code=True, use_fast=False,
|
23 |
+
revision='7f49802f5bf1e6e3d20b6f69268701c7eb67e037')
|
24 |
+
tokenizer.padding_side = 'left'
|
25 |
+
|
26 |
+
img_context_token_id = tokenizer.convert_tokens_to_ids('<IMG_CONTEXT>')
|
27 |
+
model.img_context_token_id = img_context_token_id
|
28 |
+
|
29 |
+
model.mlp1 = model.mlp1.to(torch.float32)
|
30 |
+
# model.vision_model.encoder = model.vision_model.encoder.to(torch.float32)
|
31 |
+
print(model.mlp1,)
|
32 |
+
|
33 |
+
params = list(model.mlp1.parameters())# + list(model.vision_model.encoder.parameters())
|
34 |
+
|
35 |
+
print(f'Training: {params}')
|
36 |
+
# we will drop all but last patch & train mlp1; mlp1 will be where we do vector arythmetic and probes.
|
37 |
+
optimizer = torch.optim.AdamW(params, lr=config.lr)
|
38 |
+
|
39 |
+
|
40 |
+
IMAGENET_MEAN = (0.485, 0.456, 0.406)
|
41 |
+
IMAGENET_STD = (0.229, 0.224, 0.225)
|
42 |
+
|
43 |
+
def build_transform(input_size):
|
44 |
+
MEAN, STD = IMAGENET_MEAN, IMAGENET_STD
|
45 |
+
transform = T.Compose([
|
46 |
+
T.Lambda(lambda img: img.convert('RGB') if img.mode != 'RGB' else img),
|
47 |
+
T.Resize((input_size, input_size), interpolation=InterpolationMode.BICUBIC),
|
48 |
+
T.ToTensor(),
|
49 |
+
T.Normalize(mean=MEAN, std=STD)
|
50 |
+
])
|
51 |
+
return transform
|
52 |
+
|
53 |
+
def find_closest_aspect_ratio(aspect_ratio, target_ratios, width, height, image_size):
|
54 |
+
best_ratio_diff = float('inf')
|
55 |
+
best_ratio = (1, 1)
|
56 |
+
area = width * height
|
57 |
+
for ratio in target_ratios:
|
58 |
+
target_aspect_ratio = ratio[0] / ratio[1]
|
59 |
+
ratio_diff = abs(aspect_ratio - target_aspect_ratio)
|
60 |
+
if ratio_diff < best_ratio_diff:
|
61 |
+
best_ratio_diff = ratio_diff
|
62 |
+
best_ratio = ratio
|
63 |
+
elif ratio_diff == best_ratio_diff:
|
64 |
+
if area > 0.5 * image_size * image_size * ratio[0] * ratio[1]:
|
65 |
+
best_ratio = ratio
|
66 |
+
return best_ratio
|
67 |
+
|
68 |
+
def dynamic_preprocess(image, min_num=1, max_num=12, image_size=448, use_thumbnail=False):
|
69 |
+
orig_width, orig_height = image.size
|
70 |
+
aspect_ratio = orig_width / orig_height
|
71 |
+
|
72 |
+
# calculate the existing image aspect ratio
|
73 |
+
target_ratios = set(
|
74 |
+
(i, j) for n in range(min_num, max_num + 1) for i in range(1, n + 1) for j in range(1, n + 1) if
|
75 |
+
i * j <= max_num and i * j >= min_num)
|
76 |
+
target_ratios = sorted(target_ratios, key=lambda x: x[0] * x[1])
|
77 |
+
|
78 |
+
# find the closest aspect ratio to the target
|
79 |
+
target_aspect_ratio = find_closest_aspect_ratio(
|
80 |
+
aspect_ratio, target_ratios, orig_width, orig_height, image_size)
|
81 |
+
|
82 |
+
# calculate the target width and height
|
83 |
+
target_width = image_size * target_aspect_ratio[0]
|
84 |
+
target_height = image_size * target_aspect_ratio[1]
|
85 |
+
blocks = target_aspect_ratio[0] * target_aspect_ratio[1]
|
86 |
+
|
87 |
+
# resize the image
|
88 |
+
resized_img = image.resize((target_width, target_height))
|
89 |
+
processed_images = []
|
90 |
+
for i in range(blocks):
|
91 |
+
box = (
|
92 |
+
(i % (target_width // image_size)) * image_size,
|
93 |
+
(i // (target_width // image_size)) * image_size,
|
94 |
+
((i % (target_width // image_size)) + 1) * image_size,
|
95 |
+
((i // (target_width // image_size)) + 1) * image_size
|
96 |
+
)
|
97 |
+
# split the image
|
98 |
+
split_img = resized_img.crop(box)
|
99 |
+
processed_images.append(split_img)
|
100 |
+
assert len(processed_images) == blocks
|
101 |
+
if use_thumbnail and len(processed_images) != 1:
|
102 |
+
thumbnail_img = image.resize((image_size, image_size))
|
103 |
+
processed_images.append(thumbnail_img)
|
104 |
+
return processed_images
|
105 |
+
|
106 |
+
# TODO can make a batch process within data pipeline
|
107 |
+
def load_image(image_file, pil_image=None, input_size=224, max_num=12):
|
108 |
+
if not pil_image:
|
109 |
+
pil_image = Image.open(image_file)
|
110 |
+
image = pil_image.convert('RGB')
|
111 |
+
transform = build_transform(input_size=input_size)
|
112 |
+
# images = dynamic_preprocess(image, image_size=input_size, use_thumbnail=True, max_num=max_num)
|
113 |
+
pixel_values = [transform(image) for image in [image]]
|
114 |
+
pixel_values = torch.stack(pixel_values)
|
115 |
+
return pixel_values
|
modeling_intern_vit.py
ADDED
@@ -0,0 +1,429 @@
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|
|
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|
|
|
|
|
|
|
|
|
1 |
+
# --------------------------------------------------------
|
2 |
+
# InternVL
|
3 |
+
# Copyright (c) 2024 OpenGVLab
|
4 |
+
# Licensed under The MIT License [see LICENSE for details]
|
5 |
+
# --------------------------------------------------------
|
6 |
+
from typing import Optional, Tuple, Union
|
7 |
+
|
8 |
+
import torch
|
9 |
+
import torch.nn.functional as F
|
10 |
+
import torch.utils.checkpoint
|
11 |
+
from einops import rearrange
|
12 |
+
from timm.models.layers import DropPath
|
13 |
+
from torch import nn
|
14 |
+
from transformers.activations import ACT2FN
|
15 |
+
from transformers.modeling_outputs import (BaseModelOutput,
|
16 |
+
BaseModelOutputWithPooling)
|
17 |
+
from transformers.modeling_utils import PreTrainedModel
|
18 |
+
from transformers.utils import logging
|
19 |
+
|
20 |
+
from configuration_intern_vit import InternVisionConfig
|
21 |
+
|
22 |
+
try:
|
23 |
+
from flash_attn.bert_padding import pad_input, unpad_input
|
24 |
+
from flash_attn.flash_attn_interface import \
|
25 |
+
flash_attn_varlen_qkvpacked_func
|
26 |
+
has_flash_attn = True
|
27 |
+
except:
|
28 |
+
print('FlashAttention2 is not installed.')
|
29 |
+
has_flash_attn = False
|
30 |
+
|
31 |
+
logger = logging.get_logger(__name__)
|
32 |
+
|
33 |
+
|
34 |
+
class FlashAttention(nn.Module):
|
35 |
+
"""Implement the scaled dot product attention with softmax.
|
36 |
+
Arguments
|
37 |
+
---------
|
38 |
+
softmax_scale: The temperature to use for the softmax attention.
|
39 |
+
(default: 1/sqrt(d_keys) where d_keys is computed at
|
40 |
+
runtime)
|
41 |
+
attention_dropout: The dropout rate to apply to the attention
|
42 |
+
(default: 0.0)
|
43 |
+
"""
|
44 |
+
|
45 |
+
def __init__(self, softmax_scale=None, attention_dropout=0.0, device=None, dtype=None):
|
46 |
+
super().__init__()
|
47 |
+
self.softmax_scale = softmax_scale
|
48 |
+
self.dropout_p = attention_dropout
|
49 |
+
|
50 |
+
def forward(self, qkv, key_padding_mask=None, causal=False, cu_seqlens=None,
|
51 |
+
max_s=None, need_weights=False):
|
52 |
+
"""Implements the multihead softmax attention.
|
53 |
+
Arguments
|
54 |
+
---------
|
55 |
+
qkv: The tensor containing the query, key, and value. (B, S, 3, H, D) if key_padding_mask is None
|
56 |
+
if unpadded: (nnz, 3, h, d)
|
57 |
+
key_padding_mask: a bool tensor of shape (B, S)
|
58 |
+
"""
|
59 |
+
assert not need_weights
|
60 |
+
assert qkv.dtype in [torch.float16, torch.bfloat16]
|
61 |
+
assert qkv.is_cuda
|
62 |
+
|
63 |
+
if cu_seqlens is None:
|
64 |
+
batch_size = qkv.shape[0]
|
65 |
+
seqlen = qkv.shape[1]
|
66 |
+
if key_padding_mask is None:
|
67 |
+
qkv = rearrange(qkv, 'b s ... -> (b s) ...')
|
68 |
+
max_s = seqlen
|
69 |
+
cu_seqlens = torch.arange(0, (batch_size + 1) * seqlen, step=seqlen, dtype=torch.int32,
|
70 |
+
device=qkv.device)
|
71 |
+
output = flash_attn_varlen_qkvpacked_func(
|
72 |
+
qkv, cu_seqlens, max_s, self.dropout_p if self.training else 0.0,
|
73 |
+
softmax_scale=self.softmax_scale, causal=causal
|
74 |
+
)
|
75 |
+
output = rearrange(output, '(b s) ... -> b s ...', b=batch_size)
|
76 |
+
else:
|
77 |
+
nheads = qkv.shape[-2]
|
78 |
+
x = rearrange(qkv, 'b s three h d -> b s (three h d)')
|
79 |
+
x_unpad, indices, cu_seqlens, max_s = unpad_input(x, key_padding_mask)
|
80 |
+
x_unpad = rearrange(x_unpad, 'nnz (three h d) -> nnz three h d', three=3, h=nheads)
|
81 |
+
output_unpad = flash_attn_varlen_qkvpacked_func(
|
82 |
+
x_unpad, cu_seqlens, max_s, self.dropout_p if self.training else 0.0,
|
83 |
+
softmax_scale=self.softmax_scale, causal=causal
|
84 |
+
)
|
85 |
+
output = rearrange(pad_input(rearrange(output_unpad, 'nnz h d -> nnz (h d)'),
|
86 |
+
indices, batch_size, seqlen),
|
87 |
+
'b s (h d) -> b s h d', h=nheads)
|
88 |
+
else:
|
89 |
+
assert max_s is not None
|
90 |
+
output = flash_attn_varlen_qkvpacked_func(
|
91 |
+
qkv, cu_seqlens, max_s, self.dropout_p if self.training else 0.0,
|
92 |
+
softmax_scale=self.softmax_scale, causal=causal
|
93 |
+
)
|
94 |
+
|
95 |
+
return output, None
|
96 |
+
|
97 |
+
|
98 |
+
class InternRMSNorm(nn.Module):
|
99 |
+
def __init__(self, hidden_size, eps=1e-6):
|
100 |
+
super().__init__()
|
101 |
+
self.weight = nn.Parameter(torch.ones(hidden_size))
|
102 |
+
self.variance_epsilon = eps
|
103 |
+
|
104 |
+
def forward(self, hidden_states):
|
105 |
+
input_dtype = hidden_states.dtype
|
106 |
+
hidden_states = hidden_states.to(torch.float32)
|
107 |
+
variance = hidden_states.pow(2).mean(-1, keepdim=True)
|
108 |
+
hidden_states = hidden_states * torch.rsqrt(variance + self.variance_epsilon)
|
109 |
+
return self.weight * hidden_states.to(input_dtype)
|
110 |
+
|
111 |
+
|
112 |
+
try:
|
113 |
+
from apex.normalization import FusedRMSNorm
|
114 |
+
|
115 |
+
InternRMSNorm = FusedRMSNorm # noqa
|
116 |
+
|
117 |
+
logger.info('Discovered apex.normalization.FusedRMSNorm - will use it instead of InternRMSNorm')
|
118 |
+
except ImportError:
|
119 |
+
# using the normal InternRMSNorm
|
120 |
+
pass
|
121 |
+
except Exception:
|
122 |
+
logger.warning('discovered apex but it failed to load, falling back to InternRMSNorm')
|
123 |
+
pass
|
124 |
+
|
125 |
+
|
126 |
+
NORM2FN = {
|
127 |
+
'rms_norm': InternRMSNorm,
|
128 |
+
'layer_norm': nn.LayerNorm,
|
129 |
+
}
|
130 |
+
|
131 |
+
|
132 |
+
class InternVisionEmbeddings(nn.Module):
|
133 |
+
def __init__(self, config: InternVisionConfig):
|
134 |
+
super().__init__()
|
135 |
+
self.config = config
|
136 |
+
self.embed_dim = config.hidden_size
|
137 |
+
self.image_size = config.image_size
|
138 |
+
self.patch_size = config.patch_size
|
139 |
+
|
140 |
+
self.class_embedding = nn.Parameter(
|
141 |
+
torch.randn(1, 1, self.embed_dim),
|
142 |
+
)
|
143 |
+
|
144 |
+
self.patch_embedding = nn.Conv2d(
|
145 |
+
in_channels=3, out_channels=self.embed_dim, kernel_size=self.patch_size, stride=self.patch_size
|
146 |
+
)
|
147 |
+
|
148 |
+
self.num_patches = (self.image_size // self.patch_size) ** 2
|
149 |
+
self.num_positions = self.num_patches + 1
|
150 |
+
|
151 |
+
self.position_embedding = nn.Parameter(torch.randn(1, self.num_positions, self.embed_dim))
|
152 |
+
|
153 |
+
def _get_pos_embed(self, pos_embed, H, W):
|
154 |
+
target_dtype = pos_embed.dtype
|
155 |
+
pos_embed = pos_embed.float().reshape(
|
156 |
+
1, self.image_size // self.patch_size, self.image_size // self.patch_size, -1).permute(0, 3, 1, 2)
|
157 |
+
pos_embed = F.interpolate(pos_embed, size=(H, W), mode='bicubic', align_corners=False). \
|
158 |
+
reshape(1, -1, H * W).permute(0, 2, 1).to(target_dtype)
|
159 |
+
return pos_embed
|
160 |
+
|
161 |
+
def forward(self, pixel_values: torch.FloatTensor) -> torch.Tensor:
|
162 |
+
target_dtype = self.patch_embedding.weight.dtype
|
163 |
+
patch_embeds = self.patch_embedding(pixel_values) # shape = [*, channel, width, height]
|
164 |
+
batch_size, _, height, width = patch_embeds.shape
|
165 |
+
patch_embeds = patch_embeds.flatten(2).transpose(1, 2)
|
166 |
+
class_embeds = self.class_embedding.expand(batch_size, 1, -1).to(target_dtype)
|
167 |
+
embeddings = torch.cat([class_embeds, patch_embeds], dim=1)
|
168 |
+
position_embedding = torch.cat([
|
169 |
+
self.position_embedding[:, :1, :],
|
170 |
+
self._get_pos_embed(self.position_embedding[:, 1:, :], height, width)
|
171 |
+
], dim=1)
|
172 |
+
embeddings = embeddings + position_embedding.to(target_dtype)
|
173 |
+
return embeddings
|
174 |
+
|
175 |
+
|
176 |
+
class InternAttention(nn.Module):
|
177 |
+
"""Multi-headed attention from 'Attention Is All You Need' paper"""
|
178 |
+
|
179 |
+
def __init__(self, config: InternVisionConfig):
|
180 |
+
super().__init__()
|
181 |
+
self.config = config
|
182 |
+
self.embed_dim = config.hidden_size
|
183 |
+
self.num_heads = config.num_attention_heads
|
184 |
+
self.use_flash_attn = config.use_flash_attn and has_flash_attn
|
185 |
+
if config.use_flash_attn and not has_flash_attn:
|
186 |
+
print('Warning: Flash Attention is not available, use_flash_attn is set to False.')
|
187 |
+
self.head_dim = self.embed_dim // self.num_heads
|
188 |
+
if self.head_dim * self.num_heads != self.embed_dim:
|
189 |
+
raise ValueError(
|
190 |
+
f'embed_dim must be divisible by num_heads (got `embed_dim`: {self.embed_dim} and `num_heads`:'
|
191 |
+
f' {self.num_heads}).'
|
192 |
+
)
|
193 |
+
|
194 |
+
self.scale = self.head_dim ** -0.5
|
195 |
+
self.qkv = nn.Linear(self.embed_dim, 3 * self.embed_dim, bias=config.qkv_bias)
|
196 |
+
self.attn_drop = nn.Dropout(config.attention_dropout)
|
197 |
+
self.proj_drop = nn.Dropout(config.dropout)
|
198 |
+
|
199 |
+
self.qk_normalization = config.qk_normalization
|
200 |
+
|
201 |
+
if self.qk_normalization:
|
202 |
+
self.q_norm = InternRMSNorm(self.embed_dim, eps=config.layer_norm_eps)
|
203 |
+
self.k_norm = InternRMSNorm(self.embed_dim, eps=config.layer_norm_eps)
|
204 |
+
|
205 |
+
if self.use_flash_attn:
|
206 |
+
self.inner_attn = FlashAttention(attention_dropout=config.attention_dropout)
|
207 |
+
self.proj = nn.Linear(self.embed_dim, self.embed_dim)
|
208 |
+
|
209 |
+
def _naive_attn(self, x):
|
210 |
+
B, N, C = x.shape
|
211 |
+
qkv = self.qkv(x).reshape(B, N, 3, self.num_heads, C // self.num_heads).permute(2, 0, 3, 1, 4)
|
212 |
+
q, k, v = qkv.unbind(0) # make torchscript happy (cannot use tensor as tuple)
|
213 |
+
|
214 |
+
if self.qk_normalization:
|
215 |
+
B_, H_, N_, D_ = q.shape
|
216 |
+
q = self.q_norm(q.transpose(1, 2).flatten(-2, -1)).view(B_, N_, H_, D_).transpose(1, 2)
|
217 |
+
k = self.k_norm(k.transpose(1, 2).flatten(-2, -1)).view(B_, N_, H_, D_).transpose(1, 2)
|
218 |
+
|
219 |
+
attn = ((q * self.scale) @ k.transpose(-2, -1))
|
220 |
+
attn = attn.softmax(dim=-1)
|
221 |
+
attn = self.attn_drop(attn)
|
222 |
+
|
223 |
+
x = (attn @ v).transpose(1, 2).reshape(B, N, C)
|
224 |
+
x = self.proj(x)
|
225 |
+
x = self.proj_drop(x)
|
226 |
+
return x
|
227 |
+
|
228 |
+
def _flash_attn(self, x, key_padding_mask=None, need_weights=False):
|
229 |
+
qkv = self.qkv(x)
|
230 |
+
qkv = rearrange(qkv, 'b s (three h d) -> b s three h d', three=3, h=self.num_heads)
|
231 |
+
|
232 |
+
if self.qk_normalization:
|
233 |
+
q, k, v = qkv.unbind(2)
|
234 |
+
q = self.q_norm(q.flatten(-2, -1)).view(q.shape)
|
235 |
+
k = self.k_norm(k.flatten(-2, -1)).view(k.shape)
|
236 |
+
qkv = torch.stack([q, k, v], dim=2)
|
237 |
+
|
238 |
+
context, _ = self.inner_attn(
|
239 |
+
qkv, key_padding_mask=key_padding_mask, need_weights=need_weights, causal=False
|
240 |
+
)
|
241 |
+
outs = self.proj(rearrange(context, 'b s h d -> b s (h d)'))
|
242 |
+
outs = self.proj_drop(outs)
|
243 |
+
return outs
|
244 |
+
|
245 |
+
def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:
|
246 |
+
x = self._naive_attn(hidden_states) if not self.use_flash_attn else self._flash_attn(hidden_states)
|
247 |
+
return x
|
248 |
+
|
249 |
+
|
250 |
+
class InternMLP(nn.Module):
|
251 |
+
def __init__(self, config: InternVisionConfig):
|
252 |
+
super().__init__()
|
253 |
+
self.config = config
|
254 |
+
self.act = ACT2FN[config.hidden_act]
|
255 |
+
self.fc1 = nn.Linear(config.hidden_size, config.intermediate_size)
|
256 |
+
self.fc2 = nn.Linear(config.intermediate_size, config.hidden_size)
|
257 |
+
|
258 |
+
def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:
|
259 |
+
hidden_states = self.fc1(hidden_states)
|
260 |
+
hidden_states = self.act(hidden_states)
|
261 |
+
hidden_states = self.fc2(hidden_states)
|
262 |
+
return hidden_states
|
263 |
+
|
264 |
+
|
265 |
+
class InternVisionEncoderLayer(nn.Module):
|
266 |
+
def __init__(self, config: InternVisionConfig, drop_path_rate: float):
|
267 |
+
super().__init__()
|
268 |
+
self.embed_dim = config.hidden_size
|
269 |
+
self.intermediate_size = config.intermediate_size
|
270 |
+
self.norm_type = config.norm_type
|
271 |
+
|
272 |
+
self.attn = InternAttention(config)
|
273 |
+
self.mlp = InternMLP(config)
|
274 |
+
self.norm1 = NORM2FN[self.norm_type](self.embed_dim, eps=config.layer_norm_eps)
|
275 |
+
self.norm2 = NORM2FN[self.norm_type](self.embed_dim, eps=config.layer_norm_eps)
|
276 |
+
|
277 |
+
self.ls1 = nn.Parameter(config.initializer_factor * torch.ones(self.embed_dim))
|
278 |
+
self.ls2 = nn.Parameter(config.initializer_factor * torch.ones(self.embed_dim))
|
279 |
+
self.drop_path1 = DropPath(drop_path_rate) if drop_path_rate > 0. else nn.Identity()
|
280 |
+
self.drop_path2 = DropPath(drop_path_rate) if drop_path_rate > 0. else nn.Identity()
|
281 |
+
|
282 |
+
def forward(
|
283 |
+
self,
|
284 |
+
hidden_states: torch.Tensor,
|
285 |
+
) -> Tuple[torch.FloatTensor, Optional[torch.FloatTensor], Optional[Tuple[torch.FloatTensor]]]:
|
286 |
+
"""
|
287 |
+
Args:
|
288 |
+
hidden_states (`Tuple[torch.FloatTensor, Optional[torch.FloatTensor]]`): input to the layer of shape `(batch, seq_len, embed_dim)`
|
289 |
+
"""
|
290 |
+
hidden_states = hidden_states + self.drop_path1(self.attn(self.norm1(hidden_states).to(hidden_states.dtype)) * self.ls1)
|
291 |
+
|
292 |
+
hidden_states = hidden_states + self.drop_path2(self.mlp(self.norm2(hidden_states).to(hidden_states.dtype)) * self.ls2)
|
293 |
+
|
294 |
+
return hidden_states
|
295 |
+
|
296 |
+
|
297 |
+
class InternVisionEncoder(nn.Module):
|
298 |
+
"""
|
299 |
+
Transformer encoder consisting of `config.num_hidden_layers` self attention layers. Each layer is a
|
300 |
+
[`InternEncoderLayer`].
|
301 |
+
|
302 |
+
Args:
|
303 |
+
config (`InternConfig`):
|
304 |
+
The corresponding vision configuration for the `InternEncoder`.
|
305 |
+
"""
|
306 |
+
|
307 |
+
def __init__(self, config: InternVisionConfig):
|
308 |
+
super().__init__()
|
309 |
+
self.config = config
|
310 |
+
# stochastic depth decay rule
|
311 |
+
dpr = [x.item() for x in torch.linspace(0, config.drop_path_rate, config.num_hidden_layers)]
|
312 |
+
self.layers = nn.ModuleList([
|
313 |
+
InternVisionEncoderLayer(config, dpr[idx]) for idx in range(config.num_hidden_layers)])
|
314 |
+
self.gradient_checkpointing = True
|
315 |
+
|
316 |
+
def forward(
|
317 |
+
self,
|
318 |
+
inputs_embeds,
|
319 |
+
output_hidden_states: Optional[bool] = None,
|
320 |
+
return_dict: Optional[bool] = None,
|
321 |
+
) -> Union[Tuple, BaseModelOutput]:
|
322 |
+
r"""
|
323 |
+
Args:
|
324 |
+
inputs_embeds (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`):
|
325 |
+
Embedded representation of the inputs. Should be float, not int tokens.
|
326 |
+
output_hidden_states (`bool`, *optional*):
|
327 |
+
Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors
|
328 |
+
for more detail.
|
329 |
+
return_dict (`bool`, *optional*):
|
330 |
+
Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
|
331 |
+
"""
|
332 |
+
output_hidden_states = (
|
333 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
334 |
+
)
|
335 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
336 |
+
|
337 |
+
encoder_states = () if output_hidden_states else None
|
338 |
+
hidden_states = inputs_embeds
|
339 |
+
|
340 |
+
for idx, encoder_layer in enumerate(self.layers):
|
341 |
+
if output_hidden_states:
|
342 |
+
encoder_states = encoder_states + (hidden_states,)
|
343 |
+
if self.gradient_checkpointing and self.training:
|
344 |
+
layer_outputs = torch.utils.checkpoint.checkpoint(
|
345 |
+
encoder_layer,
|
346 |
+
hidden_states)
|
347 |
+
else:
|
348 |
+
layer_outputs = encoder_layer(
|
349 |
+
hidden_states,
|
350 |
+
)
|
351 |
+
hidden_states = layer_outputs
|
352 |
+
|
353 |
+
if output_hidden_states:
|
354 |
+
encoder_states = encoder_states + (hidden_states,)
|
355 |
+
|
356 |
+
if not return_dict:
|
357 |
+
return tuple(v for v in [hidden_states, encoder_states] if v is not None)
|
358 |
+
return BaseModelOutput(
|
359 |
+
last_hidden_state=hidden_states, hidden_states=encoder_states
|
360 |
+
)
|
361 |
+
|
362 |
+
|
363 |
+
class InternVisionModel(PreTrainedModel):
|
364 |
+
main_input_name = 'pixel_values'
|
365 |
+
_supports_flash_attn_2 = True
|
366 |
+
config_class = InternVisionConfig
|
367 |
+
_no_split_modules = ['InternVisionEncoderLayer']
|
368 |
+
|
369 |
+
def __init__(self, config: InternVisionConfig):
|
370 |
+
super().__init__(config)
|
371 |
+
self.config = config
|
372 |
+
|
373 |
+
self.embeddings = InternVisionEmbeddings(config)
|
374 |
+
self.encoder = InternVisionEncoder(config)
|
375 |
+
|
376 |
+
def resize_pos_embeddings(self, old_size, new_size, patch_size):
|
377 |
+
pos_emb = self.embeddings.position_embedding
|
378 |
+
_, num_positions, embed_dim = pos_emb.shape
|
379 |
+
cls_emb = pos_emb[:, :1, :]
|
380 |
+
pos_emb = pos_emb[:, 1:, :].reshape(1, old_size // patch_size, old_size // patch_size, -1).permute(0, 3, 1, 2)
|
381 |
+
pos_emb = F.interpolate(pos_emb.float(), size=new_size // patch_size, mode='bicubic', align_corners=False)
|
382 |
+
pos_emb = pos_emb.to(cls_emb.dtype).reshape(1, embed_dim, -1).permute(0, 2, 1)
|
383 |
+
pos_emb = torch.cat([cls_emb, pos_emb], dim=1)
|
384 |
+
self.embeddings.position_embedding = nn.Parameter(pos_emb)
|
385 |
+
self.embeddings.image_size = new_size
|
386 |
+
logger.info('Resized position embeddings from {} to {}'.format(old_size, new_size))
|
387 |
+
|
388 |
+
def get_input_embeddings(self):
|
389 |
+
return self.embeddings
|
390 |
+
|
391 |
+
def forward(
|
392 |
+
self,
|
393 |
+
pixel_values: Optional[torch.FloatTensor] = None,
|
394 |
+
output_hidden_states: Optional[bool] = None,
|
395 |
+
return_dict: Optional[bool] = None,
|
396 |
+
pixel_embeds: Optional[torch.FloatTensor] = None,
|
397 |
+
) -> Union[Tuple, BaseModelOutputWithPooling]:
|
398 |
+
output_hidden_states = (
|
399 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
400 |
+
)
|
401 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
402 |
+
|
403 |
+
if pixel_values is None and pixel_embeds is None:
|
404 |
+
raise ValueError('You have to specify pixel_values or pixel_embeds')
|
405 |
+
|
406 |
+
if pixel_embeds is not None:
|
407 |
+
hidden_states = pixel_embeds
|
408 |
+
else:
|
409 |
+
if len(pixel_values.shape) == 4:
|
410 |
+
hidden_states = self.embeddings(pixel_values)
|
411 |
+
else:
|
412 |
+
raise ValueError(f'wrong pixel_values size: {pixel_values.shape}')
|
413 |
+
encoder_outputs = self.encoder(
|
414 |
+
inputs_embeds=hidden_states,
|
415 |
+
output_hidden_states=output_hidden_states,
|
416 |
+
return_dict=return_dict,
|
417 |
+
)
|
418 |
+
last_hidden_state = encoder_outputs.last_hidden_state
|
419 |
+
pooled_output = last_hidden_state[:, :, :].mean(1)
|
420 |
+
|
421 |
+
if not return_dict:
|
422 |
+
return (last_hidden_state, pooled_output) + encoder_outputs[1:]
|
423 |
+
|
424 |
+
return BaseModelOutputWithPooling(
|
425 |
+
last_hidden_state=last_hidden_state,
|
426 |
+
pooler_output=pooled_output,
|
427 |
+
hidden_states=encoder_outputs.hidden_states,
|
428 |
+
attentions=encoder_outputs.attentions,
|
429 |
+
)
|
modeling_phi3.py
ADDED
@@ -0,0 +1,1610 @@
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|
1 |
+
# Copyright 2024 Microsoft and the HuggingFace Inc. team. All rights reserved.
|
2 |
+
#
|
3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
4 |
+
# you may not use this file except in compliance with the License.
|
5 |
+
# You may obtain a copy of the License at
|
6 |
+
#
|
7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
8 |
+
#
|
9 |
+
# Unless required by applicable law or agreed to in writing, software
|
10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
12 |
+
# See the License for the specific language governing permissions and
|
13 |
+
# limitations under the License.
|
14 |
+
|
15 |
+
""" PyTorch Phi-3 model."""
|
16 |
+
|
17 |
+
import inspect
|
18 |
+
import math
|
19 |
+
import warnings
|
20 |
+
from typing import List, Optional, Tuple, Union
|
21 |
+
|
22 |
+
import torch
|
23 |
+
import torch.nn.functional as F
|
24 |
+
import torch.utils.checkpoint
|
25 |
+
from torch import nn
|
26 |
+
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
|
27 |
+
from transformers.activations import ACT2FN
|
28 |
+
from transformers.cache_utils import Cache, DynamicCache
|
29 |
+
from transformers.modeling_attn_mask_utils import \
|
30 |
+
_prepare_4d_causal_attention_mask
|
31 |
+
from transformers.modeling_outputs import (BaseModelOutputWithPast,
|
32 |
+
CausalLMOutputWithPast,
|
33 |
+
SequenceClassifierOutputWithPast,
|
34 |
+
TokenClassifierOutput)
|
35 |
+
from transformers.modeling_utils import PreTrainedModel
|
36 |
+
from transformers.utils import (add_code_sample_docstrings,
|
37 |
+
add_start_docstrings,
|
38 |
+
add_start_docstrings_to_model_forward,
|
39 |
+
is_flash_attn_2_available,
|
40 |
+
is_flash_attn_greater_or_equal_2_10, logging,
|
41 |
+
replace_return_docstrings)
|
42 |
+
|
43 |
+
from configuration_phi3 import Phi3Config
|
44 |
+
|
45 |
+
logger = logging.get_logger(__name__)
|
46 |
+
|
47 |
+
# Transformers scans dependencies in the modeling file, causing issues on conditional loading. The regex only ignores try/catch blocks, but not if statements
|
48 |
+
# if is_flash_attn_2_available():
|
49 |
+
_flash_supports_window_size = False
|
50 |
+
try:
|
51 |
+
from flash_attn import flash_attn_func, flash_attn_varlen_func
|
52 |
+
from flash_attn.bert_padding import (index_first_axis, pad_input, # noqa
|
53 |
+
unpad_input)
|
54 |
+
|
55 |
+
_flash_supports_window_size = 'window_size' in list(inspect.signature(flash_attn_func).parameters)
|
56 |
+
has_flash_attn = True
|
57 |
+
except ImportError as error:
|
58 |
+
logger.warning(
|
59 |
+
f'`flash-attention` package not found, consider installing for better performance: {error}.'
|
60 |
+
)
|
61 |
+
if not _flash_supports_window_size:
|
62 |
+
logger.warning(
|
63 |
+
"Current `flash-attenton` does not support `window_size`. Either upgrade or use `attn_implementation='eager'`."
|
64 |
+
)
|
65 |
+
has_flash_attn = False
|
66 |
+
|
67 |
+
_CHECKPOINT_FOR_DOC = 'microsoft/Phi-3-mini-4k-instruct'
|
68 |
+
_CONFIG_FOR_DOC = 'Phi3Config'
|
69 |
+
|
70 |
+
PHI3_PRETRAINED_MODEL_ARCHIVE_LIST = [
|
71 |
+
'microsoft/Phi-3-mini-4k-instruct',
|
72 |
+
'microsoft/Phi-3-mini-128k-instruct',
|
73 |
+
# See all Phi-3 models at https://huggingface.co/models?filter=Phi-3
|
74 |
+
]
|
75 |
+
|
76 |
+
|
77 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaRMSNorm with Llama->Phi3
|
78 |
+
class Phi3RMSNorm(nn.Module):
|
79 |
+
def __init__(self, hidden_size, eps=1e-6):
|
80 |
+
"""
|
81 |
+
Phi3RMSNorm is equivalent to T5LayerNorm
|
82 |
+
"""
|
83 |
+
super().__init__()
|
84 |
+
self.weight = nn.Parameter(torch.ones(hidden_size))
|
85 |
+
self.variance_epsilon = eps
|
86 |
+
|
87 |
+
def forward(self, hidden_states):
|
88 |
+
input_dtype = hidden_states.dtype
|
89 |
+
hidden_states = hidden_states.to(torch.float32)
|
90 |
+
variance = hidden_states.pow(2).mean(-1, keepdim=True)
|
91 |
+
hidden_states = hidden_states * torch.rsqrt(variance + self.variance_epsilon)
|
92 |
+
return self.weight * hidden_states.to(input_dtype)
|
93 |
+
|
94 |
+
|
95 |
+
# Copied from transformers.models.llama.modeling_llama._get_unpad_data
|
96 |
+
def _get_unpad_data(attention_mask):
|
97 |
+
seqlens_in_batch = attention_mask.sum(dim=-1, dtype=torch.int32)
|
98 |
+
indices = torch.nonzero(attention_mask.flatten(), as_tuple=False).flatten()
|
99 |
+
max_seqlen_in_batch = seqlens_in_batch.max().item()
|
100 |
+
cu_seqlens = F.pad(torch.cumsum(seqlens_in_batch, dim=0, dtype=torch.int32), (1, 0))
|
101 |
+
return (
|
102 |
+
indices,
|
103 |
+
cu_seqlens,
|
104 |
+
max_seqlen_in_batch,
|
105 |
+
)
|
106 |
+
|
107 |
+
|
108 |
+
# Copied from transformers.models.gemma.modeling_gemma.GemmaRotaryEmbedding with gemma->phi3, Gemma->Phi3
|
109 |
+
class Phi3RotaryEmbedding(nn.Module):
|
110 |
+
def __init__(self, dim, max_position_embeddings=2048, base=10000, device=None):
|
111 |
+
super().__init__()
|
112 |
+
|
113 |
+
self.dim = dim
|
114 |
+
self.max_position_embeddings = max_position_embeddings
|
115 |
+
self.base = base
|
116 |
+
self.register_buffer('inv_freq', None, persistent=False)
|
117 |
+
|
118 |
+
@torch.no_grad()
|
119 |
+
def forward(self, x, position_ids, seq_len=None):
|
120 |
+
# x: [bs, num_attention_heads, seq_len, head_size]
|
121 |
+
if self.inv_freq is None:
|
122 |
+
self.inv_freq = 1.0 / (
|
123 |
+
self.base ** (torch.arange(0, self.dim, 2, dtype=torch.int64, device=x.device).float() / self.dim)
|
124 |
+
)
|
125 |
+
inv_freq_expanded = self.inv_freq[None, :, None].float().expand(position_ids.shape[0], -1, 1)
|
126 |
+
position_ids_expanded = position_ids[:, None, :].float()
|
127 |
+
# Force float32 since bfloat16 loses precision on long contexts
|
128 |
+
# See https://github.com/huggingface/transformers/pull/29285
|
129 |
+
device_type = x.device.type
|
130 |
+
device_type = device_type if isinstance(device_type, str) and device_type != 'mps' else 'cpu'
|
131 |
+
with torch.autocast(device_type=device_type, enabled=False):
|
132 |
+
freqs = (inv_freq_expanded.float() @ position_ids_expanded.float()).transpose(1, 2)
|
133 |
+
emb = torch.cat((freqs, freqs), dim=-1)
|
134 |
+
cos = emb.cos()
|
135 |
+
sin = emb.sin()
|
136 |
+
return cos.to(dtype=x.dtype), sin.to(dtype=x.dtype)
|
137 |
+
|
138 |
+
|
139 |
+
class Phi3SuScaledRotaryEmbedding(Phi3RotaryEmbedding):
|
140 |
+
def __init__(self, dim, config, device=None):
|
141 |
+
super().__init__(dim, config.max_position_embeddings, config.rope_theta, device)
|
142 |
+
|
143 |
+
self.short_factor = config.rope_scaling['short_factor']
|
144 |
+
self.long_factor = config.rope_scaling['long_factor']
|
145 |
+
self.original_max_position_embeddings = config.original_max_position_embeddings
|
146 |
+
|
147 |
+
@torch.no_grad()
|
148 |
+
def forward(self, x, position_ids, seq_len=None):
|
149 |
+
seq_len = torch.max(position_ids) + 1
|
150 |
+
if seq_len > self.original_max_position_embeddings:
|
151 |
+
ext_factors = torch.tensor(self.long_factor, dtype=torch.float32, device=x.device)
|
152 |
+
else:
|
153 |
+
ext_factors = torch.tensor(self.short_factor, dtype=torch.float32, device=x.device)
|
154 |
+
|
155 |
+
inv_freq_shape = torch.arange(0, self.dim, 2, dtype=torch.int64, device=x.device).float() / self.dim
|
156 |
+
self.inv_freq = 1.0 / (ext_factors * self.base**inv_freq_shape)
|
157 |
+
|
158 |
+
inv_freq_expanded = self.inv_freq[None, :, None].float().expand(position_ids.shape[0], -1, 1)
|
159 |
+
position_ids_expanded = position_ids[:, None, :].float()
|
160 |
+
|
161 |
+
# Force float32 since bfloat16 loses precision on long contexts
|
162 |
+
# See https://github.com/huggingface/transformers/pull/29285
|
163 |
+
device_type = x.device.type
|
164 |
+
device_type = device_type if isinstance(device_type, str) and device_type != 'mps' else 'cpu'
|
165 |
+
with torch.autocast(device_type=device_type, enabled=False):
|
166 |
+
freqs = (inv_freq_expanded.float() @ position_ids_expanded.float()).transpose(1, 2)
|
167 |
+
emb = torch.cat((freqs, freqs), dim=-1)
|
168 |
+
|
169 |
+
scale = self.max_position_embeddings / self.original_max_position_embeddings
|
170 |
+
if scale <= 1.0:
|
171 |
+
scaling_factor = 1.0
|
172 |
+
else:
|
173 |
+
scaling_factor = math.sqrt(1 + math.log(scale) / math.log(self.original_max_position_embeddings))
|
174 |
+
|
175 |
+
cos = emb.cos() * scaling_factor
|
176 |
+
sin = emb.sin() * scaling_factor
|
177 |
+
return cos.to(dtype=x.dtype), sin.to(dtype=x.dtype)
|
178 |
+
|
179 |
+
|
180 |
+
class Phi3YarnScaledRotaryEmbedding(Phi3RotaryEmbedding):
|
181 |
+
def __init__(self, dim, config, device=None):
|
182 |
+
super().__init__(dim, config.max_position_embeddings, config.rope_theta, device)
|
183 |
+
|
184 |
+
self.short_factor = config.rope_scaling['short_factor']
|
185 |
+
self.long_factor = config.rope_scaling['long_factor']
|
186 |
+
self.original_max_position_embeddings = config.original_max_position_embeddings
|
187 |
+
|
188 |
+
@torch.no_grad()
|
189 |
+
def forward(self, x, position_ids, seq_len=None):
|
190 |
+
seq_len = torch.max(position_ids) + 1
|
191 |
+
if seq_len > self.original_max_position_embeddings:
|
192 |
+
ext_factors = torch.tensor(self.long_factor, dtype=torch.float32, device=x.device)
|
193 |
+
else:
|
194 |
+
ext_factors = torch.tensor(self.short_factor, dtype=torch.float32, device=x.device)
|
195 |
+
|
196 |
+
inv_freq_shape = torch.arange(0, self.dim, 2, dtype=torch.int64, device=x.device).float() / self.dim
|
197 |
+
self.inv_freq = 1.0 / (ext_factors * self.base**inv_freq_shape)
|
198 |
+
|
199 |
+
inv_freq_expanded = self.inv_freq[None, :, None].float().expand(position_ids.shape[0], -1, 1)
|
200 |
+
position_ids_expanded = position_ids[:, None, :].float()
|
201 |
+
|
202 |
+
# Force float32 since bfloat16 loses precision on long contexts
|
203 |
+
# See https://github.com/huggingface/transformers/pull/29285
|
204 |
+
device_type = x.device.type
|
205 |
+
device_type = device_type if isinstance(device_type, str) and device_type != 'mps' else 'cpu'
|
206 |
+
with torch.autocast(device_type=device_type, enabled=False):
|
207 |
+
freqs = (inv_freq_expanded.float() @ position_ids_expanded.float()).transpose(1, 2)
|
208 |
+
emb = torch.cat((freqs, freqs), dim=-1)
|
209 |
+
|
210 |
+
scale = self.max_position_embeddings / self.original_max_position_embeddings
|
211 |
+
if scale <= 1.0:
|
212 |
+
scaling_factor = 1.0
|
213 |
+
else:
|
214 |
+
scaling_factor = 0.1 * math.log(scale) + 1.0
|
215 |
+
|
216 |
+
cos = emb.cos() * scaling_factor
|
217 |
+
sin = emb.sin() * scaling_factor
|
218 |
+
return cos.to(dtype=x.dtype), sin.to(dtype=x.dtype)
|
219 |
+
|
220 |
+
|
221 |
+
# Copied from transformers.models.llama.modeling_llama.rotate_half
|
222 |
+
def rotate_half(x):
|
223 |
+
"""Rotates half the hidden dims of the input."""
|
224 |
+
x1 = x[..., : x.shape[-1] // 2]
|
225 |
+
x2 = x[..., x.shape[-1] // 2 :]
|
226 |
+
return torch.cat((-x2, x1), dim=-1)
|
227 |
+
|
228 |
+
|
229 |
+
# Copied from transformers.models.llama.modeling_llama.apply_rotary_pos_emb
|
230 |
+
def apply_rotary_pos_emb(q, k, cos, sin, position_ids=None, unsqueeze_dim=1):
|
231 |
+
"""Applies Rotary Position Embedding to the query and key tensors.
|
232 |
+
|
233 |
+
Args:
|
234 |
+
q (`torch.Tensor`): The query tensor.
|
235 |
+
k (`torch.Tensor`): The key tensor.
|
236 |
+
cos (`torch.Tensor`): The cosine part of the rotary embedding.
|
237 |
+
sin (`torch.Tensor`): The sine part of the rotary embedding.
|
238 |
+
position_ids (`torch.Tensor`, *optional*):
|
239 |
+
Deprecated and unused.
|
240 |
+
unsqueeze_dim (`int`, *optional*, defaults to 1):
|
241 |
+
The 'unsqueeze_dim' argument specifies the dimension along which to unsqueeze cos[position_ids] and
|
242 |
+
sin[position_ids] so that they can be properly broadcasted to the dimensions of q and k. For example, note
|
243 |
+
that cos[position_ids] and sin[position_ids] have the shape [batch_size, seq_len, head_dim]. Then, if q and
|
244 |
+
k have the shape [batch_size, heads, seq_len, head_dim], then setting unsqueeze_dim=1 makes
|
245 |
+
cos[position_ids] and sin[position_ids] broadcastable to the shapes of q and k. Similarly, if q and k have
|
246 |
+
the shape [batch_size, seq_len, heads, head_dim], then set unsqueeze_dim=2.
|
247 |
+
Returns:
|
248 |
+
`tuple(torch.Tensor)` comprising of the query and key tensors rotated using the Rotary Position Embedding.
|
249 |
+
"""
|
250 |
+
cos = cos.unsqueeze(unsqueeze_dim)
|
251 |
+
sin = sin.unsqueeze(unsqueeze_dim)
|
252 |
+
q_embed = (q * cos) + (rotate_half(q) * sin)
|
253 |
+
k_embed = (k * cos) + (rotate_half(k) * sin)
|
254 |
+
return q_embed, k_embed
|
255 |
+
|
256 |
+
|
257 |
+
class Phi3MLP(nn.Module):
|
258 |
+
def __init__(self, config):
|
259 |
+
super().__init__()
|
260 |
+
|
261 |
+
self.config = config
|
262 |
+
self.gate_up_proj = nn.Linear(config.hidden_size, 2 * config.intermediate_size, bias=False)
|
263 |
+
self.down_proj = nn.Linear(config.intermediate_size, config.hidden_size, bias=False)
|
264 |
+
|
265 |
+
self.activation_fn = ACT2FN[config.hidden_act]
|
266 |
+
|
267 |
+
def forward(self, hidden_states: torch.FloatTensor) -> torch.FloatTensor:
|
268 |
+
up_states = self.gate_up_proj(hidden_states)
|
269 |
+
|
270 |
+
gate, up_states = up_states.chunk(2, dim=-1)
|
271 |
+
up_states = up_states * self.activation_fn(gate)
|
272 |
+
|
273 |
+
return self.down_proj(up_states)
|
274 |
+
|
275 |
+
|
276 |
+
# Copied from transformers.models.llama.modeling_llama.repeat_kv with llama->phi
|
277 |
+
def repeat_kv(hidden_states: torch.Tensor, n_rep: int) -> torch.Tensor:
|
278 |
+
"""
|
279 |
+
This is the equivalent of torch.repeat_interleave(x, dim=1, repeats=n_rep). The hidden states go from (batch,
|
280 |
+
num_key_value_heads, seqlen, head_dim) to (batch, num_attention_heads, seqlen, head_dim)
|
281 |
+
"""
|
282 |
+
batch, num_key_value_heads, slen, head_dim = hidden_states.shape
|
283 |
+
if n_rep == 1:
|
284 |
+
return hidden_states
|
285 |
+
hidden_states = hidden_states[:, :, None, :, :].expand(batch, num_key_value_heads, n_rep, slen, head_dim)
|
286 |
+
return hidden_states.reshape(batch, num_key_value_heads * n_rep, slen, head_dim)
|
287 |
+
|
288 |
+
|
289 |
+
class Phi3Attention(nn.Module):
|
290 |
+
"""Multi-headed attention from 'Attention Is All You Need' paper"""
|
291 |
+
|
292 |
+
def __init__(self, config: Phi3Config, layer_idx: Optional[int] = None):
|
293 |
+
super().__init__()
|
294 |
+
self.config = config
|
295 |
+
self.layer_idx = layer_idx
|
296 |
+
if layer_idx is None:
|
297 |
+
logger.warning_once(
|
298 |
+
f'Instantiating {self.__class__.__name__} without passing a `layer_idx` is not recommended and will '
|
299 |
+
'lead to errors during the forward call if caching is used. Please make sure to provide a `layer_idx` '
|
300 |
+
'when creating this class.'
|
301 |
+
)
|
302 |
+
|
303 |
+
self.attention_dropout = config.attention_dropout
|
304 |
+
self.hidden_size = config.hidden_size
|
305 |
+
self.num_heads = config.num_attention_heads
|
306 |
+
self.head_dim = self.hidden_size // self.num_heads
|
307 |
+
self.num_key_value_heads = config.num_key_value_heads
|
308 |
+
self.num_key_value_groups = self.num_heads // self.num_key_value_heads
|
309 |
+
self.max_position_embeddings = config.max_position_embeddings
|
310 |
+
self.original_max_position_embeddings = config.original_max_position_embeddings
|
311 |
+
self.rope_theta = config.rope_theta
|
312 |
+
self.rope_scaling = config.rope_scaling
|
313 |
+
self.is_causal = True
|
314 |
+
|
315 |
+
if (self.head_dim * self.num_heads) != self.hidden_size:
|
316 |
+
raise ValueError(
|
317 |
+
f'hidden_size must be divisible by num_heads (got `hidden_size`: {self.hidden_size}'
|
318 |
+
f' and `num_heads`: {self.num_heads}).'
|
319 |
+
)
|
320 |
+
|
321 |
+
op_size = self.num_heads * self.head_dim + 2 * (self.num_key_value_heads * self.head_dim)
|
322 |
+
self.o_proj = nn.Linear(self.num_heads * self.head_dim, self.hidden_size, bias=False)
|
323 |
+
self.qkv_proj = nn.Linear(self.hidden_size, op_size, bias=False)
|
324 |
+
self._init_rope()
|
325 |
+
|
326 |
+
def _init_rope(self):
|
327 |
+
if self.rope_scaling is None:
|
328 |
+
self.rotary_emb = Phi3RotaryEmbedding(
|
329 |
+
self.head_dim,
|
330 |
+
max_position_embeddings=self.max_position_embeddings,
|
331 |
+
base=self.rope_theta,
|
332 |
+
)
|
333 |
+
else:
|
334 |
+
scaling_type = self.config.rope_scaling['type']
|
335 |
+
if scaling_type == 'su':
|
336 |
+
self.rotary_emb = Phi3SuScaledRotaryEmbedding(self.head_dim, self.config)
|
337 |
+
elif scaling_type == 'yarn':
|
338 |
+
self.rotary_emb = Phi3YarnScaledRotaryEmbedding(self.head_dim, self.config)
|
339 |
+
else:
|
340 |
+
raise ValueError(f'Unknown RoPE scaling type {scaling_type}')
|
341 |
+
|
342 |
+
def forward(
|
343 |
+
self,
|
344 |
+
hidden_states: torch.Tensor,
|
345 |
+
attention_mask: Optional[torch.Tensor] = None,
|
346 |
+
position_ids: Optional[torch.LongTensor] = None,
|
347 |
+
past_key_value: Optional[Cache] = None,
|
348 |
+
output_attentions: bool = False,
|
349 |
+
use_cache: bool = False,
|
350 |
+
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
|
351 |
+
logger.warning_once('You are not running the flash-attention implementation, expect numerical differences.')
|
352 |
+
|
353 |
+
bsz, q_len, _ = hidden_states.size()
|
354 |
+
|
355 |
+
qkv = self.qkv_proj(hidden_states)
|
356 |
+
query_pos = self.num_heads * self.head_dim
|
357 |
+
query_states = qkv[..., :query_pos]
|
358 |
+
key_states = qkv[..., query_pos : query_pos + self.num_key_value_heads * self.head_dim]
|
359 |
+
value_states = qkv[..., query_pos + self.num_key_value_heads * self.head_dim :]
|
360 |
+
|
361 |
+
query_states = query_states.view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
|
362 |
+
key_states = key_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
363 |
+
value_states = value_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
364 |
+
|
365 |
+
kv_seq_len = key_states.shape[-2]
|
366 |
+
if past_key_value is not None:
|
367 |
+
if self.layer_idx is None:
|
368 |
+
raise ValueError(
|
369 |
+
f'The cache structure has changed since version v4.36. If you are using {self.__class__.__name__} '
|
370 |
+
'for auto-regressive decoding with k/v caching, please make sure to initialize the attention class '
|
371 |
+
'with a layer index.'
|
372 |
+
)
|
373 |
+
kv_seq_len += past_key_value.get_usable_length(kv_seq_len, self.layer_idx)
|
374 |
+
cos, sin = self.rotary_emb(value_states, position_ids, seq_len=kv_seq_len)
|
375 |
+
|
376 |
+
query_states, key_states = apply_rotary_pos_emb(query_states, key_states, cos, sin, position_ids)
|
377 |
+
|
378 |
+
if past_key_value is not None:
|
379 |
+
cache_kwargs = {'sin': sin, 'cos': cos} # Specific to RoPE models
|
380 |
+
key_states, value_states = past_key_value.update(key_states, value_states, self.layer_idx, cache_kwargs)
|
381 |
+
|
382 |
+
# repeat k/v heads if n_kv_heads < n_heads
|
383 |
+
key_states = repeat_kv(key_states, self.num_key_value_groups)
|
384 |
+
value_states = repeat_kv(value_states, self.num_key_value_groups)
|
385 |
+
|
386 |
+
attn_weights = torch.matmul(query_states, key_states.transpose(2, 3)) / math.sqrt(self.head_dim)
|
387 |
+
|
388 |
+
if attn_weights.size() != (bsz, self.num_heads, q_len, kv_seq_len):
|
389 |
+
raise ValueError(
|
390 |
+
f'Attention weights should be of size {(bsz, self.num_heads, q_len, kv_seq_len)}, but is'
|
391 |
+
f' {attn_weights.size()}'
|
392 |
+
)
|
393 |
+
|
394 |
+
if attention_mask is not None:
|
395 |
+
if attention_mask.size() != (bsz, 1, q_len, kv_seq_len):
|
396 |
+
raise ValueError(
|
397 |
+
f'Attention mask should be of size {(bsz, 1, q_len, kv_seq_len)}, but is {attention_mask.size()}'
|
398 |
+
)
|
399 |
+
attn_weights = attn_weights + attention_mask
|
400 |
+
|
401 |
+
# upcast attention to fp32
|
402 |
+
attn_weights = nn.functional.softmax(attn_weights, dim=-1, dtype=torch.float32).to(value_states.dtype)
|
403 |
+
attn_weights = nn.functional.dropout(attn_weights, p=self.attention_dropout, training=self.training)
|
404 |
+
|
405 |
+
attn_output = torch.matmul(attn_weights, value_states)
|
406 |
+
|
407 |
+
if attn_output.size() != (bsz, self.num_heads, q_len, self.head_dim):
|
408 |
+
raise ValueError(
|
409 |
+
f'`attn_output` should be of size {(bsz, self.num_heads, q_len, self.head_dim)}, but is'
|
410 |
+
f' {attn_output.size()}'
|
411 |
+
)
|
412 |
+
|
413 |
+
attn_output = attn_output.transpose(1, 2).contiguous()
|
414 |
+
attn_output = attn_output.reshape(bsz, q_len, self.hidden_size)
|
415 |
+
|
416 |
+
attn_output = self.o_proj(attn_output)
|
417 |
+
|
418 |
+
if not output_attentions:
|
419 |
+
attn_weights = None
|
420 |
+
|
421 |
+
return attn_output, attn_weights, past_key_value
|
422 |
+
|
423 |
+
|
424 |
+
class Phi3FlashAttention2(Phi3Attention):
|
425 |
+
"""
|
426 |
+
Phi-3 flash attention module. This module inherits from `Phi3Attention` as the weights of the module stays
|
427 |
+
untouched. The only required change would be on the forward pass where it needs to correctly call the public API of
|
428 |
+
flash attention and deal with padding tokens in case the input contains any of them.
|
429 |
+
"""
|
430 |
+
|
431 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaFlashAttention2.__init__
|
432 |
+
def __init__(self, *args, **kwargs):
|
433 |
+
super().__init__(*args, **kwargs)
|
434 |
+
|
435 |
+
# TODO: Should be removed once Flash Attention for RoCm is bumped to 2.1.
|
436 |
+
# flash_attn<2.1 generates top-left aligned causal mask, while what is needed here is bottom-right alignement, that was made default for flash_attn>=2.1. This attribute is used to handle this difference. Reference: https://github.com/Dao-AILab/flash-attention/releases/tag/v2.1.0.
|
437 |
+
# Beware that with flash_attn<2.1, using q_seqlen != k_seqlen (except for the case q_seqlen == 1) produces a wrong mask (top-left).
|
438 |
+
self._flash_attn_uses_top_left_mask = not is_flash_attn_greater_or_equal_2_10()
|
439 |
+
|
440 |
+
def forward(
|
441 |
+
self,
|
442 |
+
hidden_states: torch.Tensor,
|
443 |
+
attention_mask: Optional[torch.LongTensor] = None,
|
444 |
+
position_ids: Optional[torch.LongTensor] = None,
|
445 |
+
past_key_value: Optional[Cache] = None,
|
446 |
+
output_attentions: bool = False,
|
447 |
+
use_cache: bool = False,
|
448 |
+
**kwargs,
|
449 |
+
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
|
450 |
+
# Phi3FlashAttention2 attention does not support output_attentions
|
451 |
+
|
452 |
+
if not _flash_supports_window_size:
|
453 |
+
logger.warning_once(
|
454 |
+
"The current flash attention version does not support sliding window attention. Please use `attn_implementation='eager'` or upgrade flash-attn library."
|
455 |
+
)
|
456 |
+
raise ValueError('The current flash attention version does not support sliding window attention.')
|
457 |
+
|
458 |
+
output_attentions = False
|
459 |
+
|
460 |
+
if 'padding_mask' in kwargs:
|
461 |
+
warnings.warn(
|
462 |
+
'Passing `padding_mask` is deprecated and will be removed in v4.37. Please make sure use `attention_mask` instead.`'
|
463 |
+
)
|
464 |
+
|
465 |
+
# overwrite attention_mask with padding_mask
|
466 |
+
attention_mask = kwargs.pop('padding_mask')
|
467 |
+
|
468 |
+
bsz, q_len, _ = hidden_states.size()
|
469 |
+
|
470 |
+
qkv = self.qkv_proj(hidden_states)
|
471 |
+
query_pos = self.num_heads * self.head_dim
|
472 |
+
query_states = qkv[..., :query_pos]
|
473 |
+
key_states = qkv[..., query_pos : query_pos + self.num_key_value_heads * self.head_dim]
|
474 |
+
value_states = qkv[..., query_pos + self.num_key_value_heads * self.head_dim :]
|
475 |
+
|
476 |
+
# Flash attention requires the input to have the shape
|
477 |
+
# batch_size x seq_length x head_dim x hidden_dim
|
478 |
+
# therefore we just need to keep the original shape
|
479 |
+
query_states = query_states.view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
|
480 |
+
key_states = key_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
481 |
+
value_states = value_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
482 |
+
|
483 |
+
kv_seq_len = key_states.shape[-2]
|
484 |
+
if past_key_value is not None:
|
485 |
+
if self.layer_idx is None:
|
486 |
+
raise ValueError(
|
487 |
+
f'The cache structure has changed since version v4.36. If you are using {self.__class__.__name__} '
|
488 |
+
'for auto-regressive decoding with k/v caching, please make sure to initialize the attention class '
|
489 |
+
'with a layer index.'
|
490 |
+
)
|
491 |
+
kv_seq_len += past_key_value.get_usable_length(kv_seq_len, self.layer_idx)
|
492 |
+
|
493 |
+
# Because the input can be padded, the absolute sequence length depends on the max position id.
|
494 |
+
rotary_seq_len = max(kv_seq_len, position_ids[:, -1].max().item()) + 1
|
495 |
+
cos, sin = self.rotary_emb(value_states, position_ids, seq_len=rotary_seq_len)
|
496 |
+
|
497 |
+
query_states, key_states = apply_rotary_pos_emb(query_states, key_states, cos, sin, position_ids)
|
498 |
+
|
499 |
+
use_sliding_windows = (
|
500 |
+
_flash_supports_window_size
|
501 |
+
and getattr(self.config, 'sliding_window', None) is not None
|
502 |
+
and kv_seq_len > self.config.sliding_window
|
503 |
+
)
|
504 |
+
|
505 |
+
if past_key_value is not None:
|
506 |
+
# Activate slicing cache only if the config has a value `sliding_windows` attribute
|
507 |
+
cache_has_contents = past_key_value.get_seq_length(self.layer_idx) > 0
|
508 |
+
if (
|
509 |
+
getattr(self.config, 'sliding_window', None) is not None
|
510 |
+
and kv_seq_len > self.config.sliding_window
|
511 |
+
and cache_has_contents
|
512 |
+
):
|
513 |
+
slicing_tokens = 1 - self.config.sliding_window
|
514 |
+
|
515 |
+
past_key = past_key_value[self.layer_idx][0]
|
516 |
+
past_value = past_key_value[self.layer_idx][1]
|
517 |
+
|
518 |
+
past_key = past_key[:, :, slicing_tokens:, :].contiguous()
|
519 |
+
past_value = past_value[:, :, slicing_tokens:, :].contiguous()
|
520 |
+
|
521 |
+
if past_key.shape[-2] != self.config.sliding_window - 1:
|
522 |
+
raise ValueError(
|
523 |
+
f'past key must have a shape of (`batch_size, num_heads, self.config.sliding_window-1, head_dim`), got'
|
524 |
+
f' {past_key.shape}'
|
525 |
+
)
|
526 |
+
|
527 |
+
if attention_mask is not None:
|
528 |
+
attention_mask = attention_mask[:, slicing_tokens:]
|
529 |
+
attention_mask = torch.cat([attention_mask, torch.ones_like(attention_mask[:, -1:])], dim=-1)
|
530 |
+
|
531 |
+
cache_kwargs = {'sin': sin, 'cos': cos} # Specific to RoPE models
|
532 |
+
key_states, value_states = past_key_value.update(key_states, value_states, self.layer_idx, cache_kwargs)
|
533 |
+
|
534 |
+
# repeat k/v heads if n_kv_heads < n_heads
|
535 |
+
key_states = repeat_kv(key_states, self.num_key_value_groups)
|
536 |
+
value_states = repeat_kv(value_states, self.num_key_value_groups)
|
537 |
+
|
538 |
+
attn_dropout = self.attention_dropout if self.training else 0.0
|
539 |
+
|
540 |
+
# In PEFT, usually we cast the layer norms in float32 for training stability reasons
|
541 |
+
# therefore the input hidden states gets silently casted in float32. Hence, we need
|
542 |
+
# cast them back in the correct dtype just to be sure everything works as expected.
|
543 |
+
# This might slowdown training & inference so it is recommended to not cast the LayerNorms
|
544 |
+
# in fp32.
|
545 |
+
|
546 |
+
if query_states.dtype == torch.float32:
|
547 |
+
if torch.is_autocast_enabled():
|
548 |
+
target_dtype = torch.get_autocast_gpu_dtype()
|
549 |
+
# Handle the case where the model is quantized
|
550 |
+
elif hasattr(self.config, '_pre_quantization_dtype'):
|
551 |
+
target_dtype = self.config._pre_quantization_dtype
|
552 |
+
else:
|
553 |
+
target_dtype = self.qkv_proj.weight.dtype
|
554 |
+
|
555 |
+
logger.warning_once(
|
556 |
+
f'The input hidden states seems to be silently casted in float32, this might be related to'
|
557 |
+
f' the fact you have upcasted embedding or layer norm layers in float32. We will cast back the input in'
|
558 |
+
f' {target_dtype}.'
|
559 |
+
)
|
560 |
+
|
561 |
+
query_states = query_states.to(target_dtype)
|
562 |
+
key_states = key_states.to(target_dtype)
|
563 |
+
value_states = value_states.to(target_dtype)
|
564 |
+
|
565 |
+
# Reashape to the expected shape for Flash Attention
|
566 |
+
query_states = query_states.transpose(1, 2)
|
567 |
+
key_states = key_states.transpose(1, 2)
|
568 |
+
value_states = value_states.transpose(1, 2)
|
569 |
+
|
570 |
+
attn_output = self._flash_attention_forward(
|
571 |
+
query_states,
|
572 |
+
key_states,
|
573 |
+
value_states,
|
574 |
+
attention_mask,
|
575 |
+
q_len,
|
576 |
+
dropout=attn_dropout,
|
577 |
+
use_sliding_windows=use_sliding_windows,
|
578 |
+
)
|
579 |
+
|
580 |
+
attn_output = attn_output.reshape(bsz, q_len, self.hidden_size).contiguous()
|
581 |
+
attn_output = self.o_proj(attn_output)
|
582 |
+
|
583 |
+
if not output_attentions:
|
584 |
+
attn_weights = None
|
585 |
+
|
586 |
+
return attn_output, attn_weights, past_key_value
|
587 |
+
|
588 |
+
# Copied from transformers.models.mistral.modeling_mistral.MistralFlashAttention2._flash_attention_forward
|
589 |
+
def _flash_attention_forward(
|
590 |
+
self,
|
591 |
+
query_states,
|
592 |
+
key_states,
|
593 |
+
value_states,
|
594 |
+
attention_mask,
|
595 |
+
query_length,
|
596 |
+
dropout=0.0,
|
597 |
+
softmax_scale=None,
|
598 |
+
use_sliding_windows=False,
|
599 |
+
):
|
600 |
+
"""
|
601 |
+
Calls the forward method of Flash Attention - if the input hidden states contain at least one padding token
|
602 |
+
first unpad the input, then computes the attention scores and pad the final attention scores.
|
603 |
+
|
604 |
+
Args:
|
605 |
+
query_states (`torch.Tensor`):
|
606 |
+
Input query states to be passed to Flash Attention API
|
607 |
+
key_states (`torch.Tensor`):
|
608 |
+
Input key states to be passed to Flash Attention API
|
609 |
+
value_states (`torch.Tensor`):
|
610 |
+
Input value states to be passed to Flash Attention API
|
611 |
+
attention_mask (`torch.Tensor`):
|
612 |
+
The padding mask - corresponds to a tensor of size `(batch_size, seq_len)` where 0 stands for the
|
613 |
+
position of padding tokens and 1 for the position of non-padding tokens.
|
614 |
+
dropout (`float`):
|
615 |
+
Attention dropout
|
616 |
+
softmax_scale (`float`, *optional*):
|
617 |
+
The scaling of QK^T before applying softmax. Default to 1 / sqrt(head_dim)
|
618 |
+
use_sliding_windows (`bool`, *optional*):
|
619 |
+
Whether to activate sliding window attention.
|
620 |
+
"""
|
621 |
+
if not self._flash_attn_uses_top_left_mask:
|
622 |
+
causal = self.is_causal
|
623 |
+
else:
|
624 |
+
# TODO: Remove the `query_length != 1` check once Flash Attention for RoCm is bumped to 2.1. For details, please see the comment in LlamaFlashAttention2 __init__.
|
625 |
+
causal = self.is_causal and query_length != 1
|
626 |
+
|
627 |
+
# Contains at least one padding token in the sequence
|
628 |
+
if attention_mask is not None:
|
629 |
+
batch_size = query_states.shape[0]
|
630 |
+
query_states, key_states, value_states, indices_q, cu_seq_lens, max_seq_lens = self._upad_input(
|
631 |
+
query_states, key_states, value_states, attention_mask, query_length
|
632 |
+
)
|
633 |
+
|
634 |
+
cu_seqlens_q, cu_seqlens_k = cu_seq_lens
|
635 |
+
max_seqlen_in_batch_q, max_seqlen_in_batch_k = max_seq_lens
|
636 |
+
|
637 |
+
if not use_sliding_windows:
|
638 |
+
attn_output_unpad = flash_attn_varlen_func(
|
639 |
+
query_states,
|
640 |
+
key_states,
|
641 |
+
value_states,
|
642 |
+
cu_seqlens_q=cu_seqlens_q,
|
643 |
+
cu_seqlens_k=cu_seqlens_k,
|
644 |
+
max_seqlen_q=max_seqlen_in_batch_q,
|
645 |
+
max_seqlen_k=max_seqlen_in_batch_k,
|
646 |
+
dropout_p=dropout,
|
647 |
+
softmax_scale=softmax_scale,
|
648 |
+
causal=causal,
|
649 |
+
)
|
650 |
+
else:
|
651 |
+
attn_output_unpad = flash_attn_varlen_func(
|
652 |
+
query_states,
|
653 |
+
key_states,
|
654 |
+
value_states,
|
655 |
+
cu_seqlens_q=cu_seqlens_q,
|
656 |
+
cu_seqlens_k=cu_seqlens_k,
|
657 |
+
max_seqlen_q=max_seqlen_in_batch_q,
|
658 |
+
max_seqlen_k=max_seqlen_in_batch_k,
|
659 |
+
dropout_p=dropout,
|
660 |
+
softmax_scale=softmax_scale,
|
661 |
+
causal=causal,
|
662 |
+
window_size=(self.config.sliding_window, self.config.sliding_window),
|
663 |
+
)
|
664 |
+
|
665 |
+
attn_output = pad_input(attn_output_unpad, indices_q, batch_size, query_length)
|
666 |
+
else:
|
667 |
+
if not use_sliding_windows:
|
668 |
+
attn_output = flash_attn_func(
|
669 |
+
query_states,
|
670 |
+
key_states,
|
671 |
+
value_states,
|
672 |
+
dropout,
|
673 |
+
softmax_scale=softmax_scale,
|
674 |
+
causal=causal,
|
675 |
+
)
|
676 |
+
else:
|
677 |
+
attn_output = flash_attn_func(
|
678 |
+
query_states,
|
679 |
+
key_states,
|
680 |
+
value_states,
|
681 |
+
dropout,
|
682 |
+
softmax_scale=softmax_scale,
|
683 |
+
causal=causal,
|
684 |
+
window_size=(self.config.sliding_window, self.config.sliding_window),
|
685 |
+
)
|
686 |
+
|
687 |
+
return attn_output
|
688 |
+
|
689 |
+
# Copied from transformers.models.mistral.modeling_mistral.MistralFlashAttention2._upad_input
|
690 |
+
def _upad_input(self, query_layer, key_layer, value_layer, attention_mask, query_length):
|
691 |
+
batch_size, kv_seq_len, num_heads, head_dim = key_layer.shape
|
692 |
+
|
693 |
+
# On the first iteration we need to properly re-create the padding mask
|
694 |
+
# by slicing it on the proper place
|
695 |
+
if kv_seq_len != attention_mask.shape[-1]:
|
696 |
+
attention_mask_num_tokens = attention_mask.shape[-1]
|
697 |
+
attention_mask = attention_mask[:, attention_mask_num_tokens - kv_seq_len :]
|
698 |
+
|
699 |
+
indices_k, cu_seqlens_k, max_seqlen_in_batch_k = _get_unpad_data(attention_mask)
|
700 |
+
|
701 |
+
key_layer = index_first_axis(key_layer.reshape(batch_size * kv_seq_len, num_heads, head_dim), indices_k)
|
702 |
+
value_layer = index_first_axis(value_layer.reshape(batch_size * kv_seq_len, num_heads, head_dim), indices_k)
|
703 |
+
|
704 |
+
if query_length == kv_seq_len:
|
705 |
+
query_layer = index_first_axis(
|
706 |
+
query_layer.reshape(batch_size * kv_seq_len, num_heads, head_dim), indices_k
|
707 |
+
)
|
708 |
+
cu_seqlens_q = cu_seqlens_k
|
709 |
+
max_seqlen_in_batch_q = max_seqlen_in_batch_k
|
710 |
+
indices_q = indices_k
|
711 |
+
elif query_length == 1:
|
712 |
+
max_seqlen_in_batch_q = 1
|
713 |
+
cu_seqlens_q = torch.arange(
|
714 |
+
batch_size + 1, dtype=torch.int32, device=query_layer.device
|
715 |
+
) # There is a memcpy here, that is very bad.
|
716 |
+
indices_q = cu_seqlens_q[:-1]
|
717 |
+
query_layer = query_layer.squeeze(1)
|
718 |
+
else:
|
719 |
+
# The -q_len: slice assumes left padding.
|
720 |
+
attention_mask = attention_mask[:, -query_length:]
|
721 |
+
query_layer, indices_q, cu_seqlens_q, max_seqlen_in_batch_q = unpad_input(query_layer, attention_mask)
|
722 |
+
|
723 |
+
return (
|
724 |
+
query_layer,
|
725 |
+
key_layer,
|
726 |
+
value_layer,
|
727 |
+
indices_q,
|
728 |
+
(cu_seqlens_q, cu_seqlens_k),
|
729 |
+
(max_seqlen_in_batch_q, max_seqlen_in_batch_k),
|
730 |
+
)
|
731 |
+
|
732 |
+
|
733 |
+
# copied from transformers.models.llama.modeling_llama.LlamaSdpaAttention with Llama->Phi3
|
734 |
+
# TODO @Arthur no longer copied from LLama after static cache
|
735 |
+
class Phi3SdpaAttention(Phi3Attention):
|
736 |
+
"""
|
737 |
+
Phi3 attention module using torch.nn.functional.scaled_dot_product_attention. This module inherits from
|
738 |
+
`Phi3Attention` as the weights of the module stays untouched. The only changes are on the forward pass to adapt to
|
739 |
+
SDPA API.
|
740 |
+
"""
|
741 |
+
|
742 |
+
# Adapted from Phi3Attention.forward
|
743 |
+
def forward(
|
744 |
+
self,
|
745 |
+
hidden_states: torch.Tensor,
|
746 |
+
attention_mask: Optional[torch.Tensor] = None,
|
747 |
+
position_ids: Optional[torch.LongTensor] = None,
|
748 |
+
past_key_value: Optional[Cache] = None,
|
749 |
+
output_attentions: bool = False,
|
750 |
+
use_cache: bool = False,
|
751 |
+
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
|
752 |
+
if output_attentions:
|
753 |
+
# TODO: Improve this warning with e.g. `model.config.attn_implementation = "manual"` once this is implemented.
|
754 |
+
logger.warning_once(
|
755 |
+
'Phi3Model is using Phi3SdpaAttention, but `torch.nn.functional.scaled_dot_product_attention` does not support `output_attentions=True`. Falling back to the manual attention implementation, '
|
756 |
+
'but specifying the manual implementation will be required from Transformers version v5.0.0 onwards. This warning can be removed using the argument `attn_implementation="eager"` when loading the model.'
|
757 |
+
)
|
758 |
+
return super().forward(
|
759 |
+
hidden_states=hidden_states,
|
760 |
+
attention_mask=attention_mask,
|
761 |
+
position_ids=position_ids,
|
762 |
+
past_key_value=past_key_value,
|
763 |
+
output_attentions=output_attentions,
|
764 |
+
use_cache=use_cache,
|
765 |
+
)
|
766 |
+
|
767 |
+
bsz, q_len, _ = hidden_states.size()
|
768 |
+
|
769 |
+
qkv = self.qkv_proj(hidden_states)
|
770 |
+
query_pos = self.num_heads * self.head_dim
|
771 |
+
query_states = qkv[..., :query_pos]
|
772 |
+
key_states = qkv[..., query_pos : query_pos + self.num_key_value_heads * self.head_dim]
|
773 |
+
value_states = qkv[..., query_pos + self.num_key_value_heads * self.head_dim :]
|
774 |
+
|
775 |
+
query_states = query_states.view(bsz, q_len, self.num_heads, self.head_dim).transpose(1, 2)
|
776 |
+
key_states = key_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
777 |
+
value_states = value_states.view(bsz, q_len, self.num_key_value_heads, self.head_dim).transpose(1, 2)
|
778 |
+
|
779 |
+
kv_seq_len = key_states.shape[-2]
|
780 |
+
if past_key_value is not None:
|
781 |
+
kv_seq_len += past_key_value.get_usable_length(kv_seq_len, self.layer_idx)
|
782 |
+
cos, sin = self.rotary_emb(value_states, position_ids, seq_len=kv_seq_len)
|
783 |
+
|
784 |
+
query_states, key_states = apply_rotary_pos_emb(query_states, key_states, cos, sin, position_ids)
|
785 |
+
|
786 |
+
if past_key_value is not None:
|
787 |
+
cache_kwargs = {'sin': sin, 'cos': cos} # Specific to RoPE models
|
788 |
+
key_states, value_states = past_key_value.update(key_states, value_states, self.layer_idx, cache_kwargs)
|
789 |
+
|
790 |
+
key_states = repeat_kv(key_states, self.num_key_value_groups)
|
791 |
+
value_states = repeat_kv(value_states, self.num_key_value_groups)
|
792 |
+
|
793 |
+
if attention_mask is not None:
|
794 |
+
if attention_mask.size() != (bsz, 1, q_len, kv_seq_len):
|
795 |
+
raise ValueError(
|
796 |
+
f'Attention mask should be of size {(bsz, 1, q_len, kv_seq_len)}, but is {attention_mask.size()}'
|
797 |
+
)
|
798 |
+
|
799 |
+
# SDPA with memory-efficient backend is currently (torch==2.1.2) bugged with non-contiguous inputs with custom attn_mask,
|
800 |
+
# Reference: https://github.com/pytorch/pytorch/issues/112577.
|
801 |
+
if query_states.device.type == 'cuda' and attention_mask is not None:
|
802 |
+
query_states = query_states.contiguous()
|
803 |
+
key_states = key_states.contiguous()
|
804 |
+
value_states = value_states.contiguous()
|
805 |
+
|
806 |
+
attn_output = torch.nn.functional.scaled_dot_product_attention(
|
807 |
+
query_states,
|
808 |
+
key_states,
|
809 |
+
value_states,
|
810 |
+
attn_mask=attention_mask,
|
811 |
+
dropout_p=self.attention_dropout if self.training else 0.0,
|
812 |
+
# The q_len > 1 is necessary to match with AttentionMaskConverter.to_causal_4d that does not create a causal mask in case q_len == 1.
|
813 |
+
is_causal=self.is_causal and attention_mask is None and q_len > 1,
|
814 |
+
)
|
815 |
+
|
816 |
+
attn_output = attn_output.transpose(1, 2).contiguous()
|
817 |
+
attn_output = attn_output.view(bsz, q_len, self.hidden_size)
|
818 |
+
|
819 |
+
attn_output = self.o_proj(attn_output)
|
820 |
+
|
821 |
+
return attn_output, None, past_key_value
|
822 |
+
|
823 |
+
|
824 |
+
PHI3_ATTENTION_CLASSES = {
|
825 |
+
'eager': Phi3Attention,
|
826 |
+
'flash_attention_2': Phi3FlashAttention2,
|
827 |
+
'sdpa': Phi3SdpaAttention,
|
828 |
+
}
|
829 |
+
|
830 |
+
|
831 |
+
class Phi3DecoderLayer(nn.Module):
|
832 |
+
def __init__(self, config: Phi3Config, layer_idx: int):
|
833 |
+
super().__init__()
|
834 |
+
|
835 |
+
self.config = config
|
836 |
+
self.self_attn = PHI3_ATTENTION_CLASSES[config._attn_implementation](config, layer_idx=layer_idx)
|
837 |
+
|
838 |
+
self.mlp = Phi3MLP(config)
|
839 |
+
self.input_layernorm = Phi3RMSNorm(config.hidden_size, eps=config.rms_norm_eps)
|
840 |
+
|
841 |
+
self.resid_attn_dropout = nn.Dropout(config.resid_pdrop)
|
842 |
+
self.resid_mlp_dropout = nn.Dropout(config.resid_pdrop)
|
843 |
+
self.post_attention_layernorm = Phi3RMSNorm(config.hidden_size, eps=config.rms_norm_eps)
|
844 |
+
|
845 |
+
def forward(
|
846 |
+
self,
|
847 |
+
hidden_states: torch.Tensor,
|
848 |
+
attention_mask: Optional[torch.Tensor] = None,
|
849 |
+
position_ids: Optional[torch.LongTensor] = None,
|
850 |
+
past_key_value: Optional[Tuple[torch.Tensor]] = None,
|
851 |
+
output_attentions: Optional[bool] = False,
|
852 |
+
use_cache: Optional[bool] = False,
|
853 |
+
**kwargs,
|
854 |
+
) -> Tuple[torch.FloatTensor, Optional[Tuple[torch.FloatTensor, torch.FloatTensor]]]:
|
855 |
+
if 'padding_mask' in kwargs:
|
856 |
+
warnings.warn(
|
857 |
+
'Passing `padding_mask` is deprecated and will be removed in v4.37. Please make sure use `attention_mask` instead.`'
|
858 |
+
)
|
859 |
+
"""
|
860 |
+
Args:
|
861 |
+
hidden_states (`torch.FloatTensor`):
|
862 |
+
input to the layer of shape `(batch, seq_len, embed_dim)`
|
863 |
+
attention_mask (`torch.FloatTensor`, *optional*): attention mask of size
|
864 |
+
`(batch, 1, tgt_len, src_len)` where padding elements are indicated by very large negative values.
|
865 |
+
position_ids (`torch.LongTensor` of shape `({0})`, *optional*):
|
866 |
+
Indices of positions of each input sequence tokens in the position embeddings. Selected in the range
|
867 |
+
`[0, config.n_positions - 1]`. [What are position IDs?](../glossary#position-ids)
|
868 |
+
output_attentions (`bool`, *optional*):
|
869 |
+
Whether or not to return the attentions tensors of all attention layers. See `attentions` under
|
870 |
+
returned tensors for more detail.
|
871 |
+
use_cache (`bool`, *optional*):
|
872 |
+
If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding
|
873 |
+
(see `past_key_values`).
|
874 |
+
past_key_value (`Tuple(torch.FloatTensor)`, *optional*): cached past key and value projection states
|
875 |
+
"""
|
876 |
+
|
877 |
+
residual = hidden_states
|
878 |
+
|
879 |
+
hidden_states = self.input_layernorm(hidden_states)
|
880 |
+
|
881 |
+
# Self Attention
|
882 |
+
attn_outputs, self_attn_weights, present_key_value = self.self_attn(
|
883 |
+
hidden_states=hidden_states,
|
884 |
+
attention_mask=attention_mask,
|
885 |
+
position_ids=position_ids,
|
886 |
+
past_key_value=past_key_value,
|
887 |
+
output_attentions=output_attentions,
|
888 |
+
use_cache=use_cache,
|
889 |
+
)
|
890 |
+
|
891 |
+
hidden_states = residual + self.resid_attn_dropout(attn_outputs)
|
892 |
+
|
893 |
+
residual = hidden_states
|
894 |
+
hidden_states = self.post_attention_layernorm(hidden_states)
|
895 |
+
hidden_states = self.mlp(hidden_states)
|
896 |
+
hidden_states = residual + self.resid_mlp_dropout(hidden_states)
|
897 |
+
|
898 |
+
outputs = (hidden_states,)
|
899 |
+
|
900 |
+
if output_attentions:
|
901 |
+
outputs += (self_attn_weights,)
|
902 |
+
|
903 |
+
if use_cache:
|
904 |
+
outputs += (present_key_value,)
|
905 |
+
|
906 |
+
return outputs
|
907 |
+
|
908 |
+
|
909 |
+
PHI3_START_DOCSTRING = r"""
|
910 |
+
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
|
911 |
+
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
|
912 |
+
etc.)
|
913 |
+
|
914 |
+
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
|
915 |
+
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
|
916 |
+
and behavior.
|
917 |
+
|
918 |
+
Parameters:
|
919 |
+
config ([`Phi3Config`]):
|
920 |
+
Model configuration class with all the parameters of the model. Initializing with a config file does not
|
921 |
+
load the weights associated with the model, only the configuration. Check out the
|
922 |
+
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
|
923 |
+
"""
|
924 |
+
|
925 |
+
|
926 |
+
@add_start_docstrings(
|
927 |
+
'The bare Phi-3 model outputting raw hidden-states without any specific head on top.',
|
928 |
+
PHI3_START_DOCSTRING,
|
929 |
+
)
|
930 |
+
class Phi3PreTrainedModel(PreTrainedModel):
|
931 |
+
config_class = Phi3Config
|
932 |
+
base_model_prefix = 'model'
|
933 |
+
supports_gradient_checkpointing = True
|
934 |
+
_no_split_modules = ['Phi3DecoderLayer']
|
935 |
+
_skip_keys_device_placement = 'past_key_values'
|
936 |
+
_supports_flash_attn_2 = True
|
937 |
+
_supports_sdpa = False
|
938 |
+
_supports_cache_class = True
|
939 |
+
|
940 |
+
_version = '0.0.5'
|
941 |
+
|
942 |
+
def __init__(self, config: Phi3Config):
|
943 |
+
if not has_flash_attn:
|
944 |
+
config._attn_implementation = 'eager'
|
945 |
+
print('Warning: Flash attention is not available, using eager attention instead.')
|
946 |
+
super().__init__(config)
|
947 |
+
|
948 |
+
def _init_weights(self, module):
|
949 |
+
std = self.config.initializer_range
|
950 |
+
if isinstance(module, nn.Linear):
|
951 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
952 |
+
if module.bias is not None:
|
953 |
+
module.bias.data.zero_()
|
954 |
+
elif isinstance(module, nn.Embedding):
|
955 |
+
module.weight.data.normal_(mean=0.0, std=std)
|
956 |
+
if module.padding_idx is not None:
|
957 |
+
module.weight.data[module.padding_idx].zero_()
|
958 |
+
|
959 |
+
|
960 |
+
PHI3_INPUTS_DOCSTRING = r"""
|
961 |
+
Args:
|
962 |
+
input_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`):
|
963 |
+
Indices of input sequence tokens in the vocabulary. Padding will be ignored by default should you provide
|
964 |
+
it.
|
965 |
+
|
966 |
+
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
|
967 |
+
[`PreTrainedTokenizer.__call__`] for details.
|
968 |
+
|
969 |
+
[What are input IDs?](../glossary#input-ids)
|
970 |
+
attention_mask (`torch.Tensor` of shape `(batch_size, sequence_length)`, *optional*):
|
971 |
+
Mask to avoid performing attention on padding token indices. Mask values selected in `[0, 1]`:
|
972 |
+
|
973 |
+
- 1 for tokens that are **not masked**,
|
974 |
+
- 0 for tokens that are **masked**.
|
975 |
+
|
976 |
+
[What are attention masks?](../glossary#attention-mask)
|
977 |
+
|
978 |
+
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
|
979 |
+
[`PreTrainedTokenizer.__call__`] for details.
|
980 |
+
|
981 |
+
If `past_key_values` is used, optionally only the last `input_ids` have to be input (see
|
982 |
+
`past_key_values`).
|
983 |
+
|
984 |
+
If you want to change padding behavior, you should read [`modeling_opt._prepare_decoder_attention_mask`]
|
985 |
+
and modify to your needs. See diagram 1 in [the paper](https://arxiv.org/abs/1910.13461) for more
|
986 |
+
information on the default strategy.
|
987 |
+
|
988 |
+
- 1 indicates the head is **not masked**,
|
989 |
+
- 0 indicates the head is **masked**.
|
990 |
+
position_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
|
991 |
+
Indices of positions of each input sequence tokens in the position embeddings. Selected in the range `[0,
|
992 |
+
config.n_positions - 1]`.
|
993 |
+
|
994 |
+
[What are position IDs?](../glossary#position-ids)
|
995 |
+
past_key_values (`Cache` or `tuple(tuple(torch.FloatTensor))`, *optional*):
|
996 |
+
Pre-computed hidden-states (key and values in the self-attention blocks and in the cross-attention
|
997 |
+
blocks) that can be used to speed up sequential decoding. This typically consists in the `past_key_values`
|
998 |
+
returned by the model at a previous stage of decoding, when `use_cache=True` or `config.use_cache=True`.
|
999 |
+
|
1000 |
+
Two formats are allowed:
|
1001 |
+
- a [`~cache_utils.Cache`] instance;
|
1002 |
+
- Tuple of `tuple(torch.FloatTensor)` of length `config.n_layers`, with each tuple having 2 tensors of
|
1003 |
+
shape `(batch_size, num_heads, sequence_length, embed_size_per_head)`). This is also known as the legacy
|
1004 |
+
cache format.
|
1005 |
+
|
1006 |
+
The model will output the same cache format that is fed as input. If no `past_key_values` are passed, the
|
1007 |
+
legacy cache format will be returned.
|
1008 |
+
|
1009 |
+
If `past_key_values` are used, the user can optionally input only the last `input_ids` (those that don't
|
1010 |
+
have their past key value states given to this model) of shape `(batch_size, 1)` instead of all `input_ids`
|
1011 |
+
of shape `(batch_size, sequence_length)`.
|
1012 |
+
inputs_embeds (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`, *optional*):
|
1013 |
+
Optionally, instead of passing `input_ids` you can choose to directly pass an embedded representation. This
|
1014 |
+
is useful if you want more control over how to convert `input_ids` indices into associated vectors than the
|
1015 |
+
model's internal embedding lookup matrix.
|
1016 |
+
use_cache (`bool`, *optional*):
|
1017 |
+
If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding (see
|
1018 |
+
`past_key_values`).
|
1019 |
+
output_attentions (`bool`, *optional*):
|
1020 |
+
Whether or not to return the attentions tensors of all attention layers. See `attentions` under returned
|
1021 |
+
tensors for more detail.
|
1022 |
+
output_hidden_states (`bool`, *optional*):
|
1023 |
+
Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
|
1024 |
+
more detail.
|
1025 |
+
return_dict (`bool`, *optional*):
|
1026 |
+
Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
|
1027 |
+
"""
|
1028 |
+
|
1029 |
+
|
1030 |
+
@add_start_docstrings(
|
1031 |
+
'The bare Phi-3 model outputting raw hidden-states without any specific head on top.',
|
1032 |
+
PHI3_START_DOCSTRING,
|
1033 |
+
)
|
1034 |
+
class Phi3Model(Phi3PreTrainedModel):
|
1035 |
+
"""
|
1036 |
+
Transformer decoder consisting of *config.num_hidden_layers* layers. Each layer is a [`Phi3DecoderLayer`]
|
1037 |
+
|
1038 |
+
Args:
|
1039 |
+
config: Phi3Config
|
1040 |
+
"""
|
1041 |
+
|
1042 |
+
def __init__(self, config: Phi3Config):
|
1043 |
+
super().__init__(config)
|
1044 |
+
self.padding_idx = config.pad_token_id
|
1045 |
+
self.vocab_size = config.vocab_size
|
1046 |
+
|
1047 |
+
self.embed_tokens = nn.Embedding(config.vocab_size, config.hidden_size, self.padding_idx)
|
1048 |
+
self.embed_dropout = nn.Dropout(config.embd_pdrop)
|
1049 |
+
self.layers = nn.ModuleList(
|
1050 |
+
[Phi3DecoderLayer(config, layer_idx) for layer_idx in range(config.num_hidden_layers)]
|
1051 |
+
)
|
1052 |
+
self._attn_implementation = config._attn_implementation
|
1053 |
+
|
1054 |
+
self.norm = Phi3RMSNorm(config.hidden_size, eps=config.rms_norm_eps)
|
1055 |
+
|
1056 |
+
self.gradient_checkpointing = False
|
1057 |
+
# Initialize weights and apply final processing
|
1058 |
+
self.post_init()
|
1059 |
+
|
1060 |
+
def get_input_embeddings(self):
|
1061 |
+
return self.embed_tokens
|
1062 |
+
|
1063 |
+
def set_input_embeddings(self, value):
|
1064 |
+
self.embed_tokens = value
|
1065 |
+
|
1066 |
+
@add_start_docstrings_to_model_forward(PHI3_INPUTS_DOCSTRING)
|
1067 |
+
def forward(
|
1068 |
+
self,
|
1069 |
+
input_ids: torch.LongTensor = None,
|
1070 |
+
attention_mask: Optional[torch.Tensor] = None,
|
1071 |
+
position_ids: Optional[torch.LongTensor] = None,
|
1072 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
1073 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
1074 |
+
use_cache: Optional[bool] = None,
|
1075 |
+
output_attentions: Optional[bool] = None,
|
1076 |
+
output_hidden_states: Optional[bool] = None,
|
1077 |
+
return_dict: Optional[bool] = None,
|
1078 |
+
) -> Union[Tuple, BaseModelOutputWithPast]:
|
1079 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
1080 |
+
output_hidden_states = (
|
1081 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
1082 |
+
)
|
1083 |
+
use_cache = use_cache if use_cache is not None else self.config.use_cache
|
1084 |
+
|
1085 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
1086 |
+
|
1087 |
+
# retrieve input_ids and inputs_embeds
|
1088 |
+
if input_ids is not None and inputs_embeds is not None:
|
1089 |
+
raise ValueError('You cannot specify both input_ids and inputs_embeds at the same time')
|
1090 |
+
elif input_ids is not None:
|
1091 |
+
batch_size, seq_length = input_ids.shape[:2]
|
1092 |
+
elif inputs_embeds is not None:
|
1093 |
+
batch_size, seq_length = inputs_embeds.shape[:2]
|
1094 |
+
else:
|
1095 |
+
raise ValueError('You have to specify either input_ids or inputs_embeds')
|
1096 |
+
|
1097 |
+
past_key_values_length = 0
|
1098 |
+
|
1099 |
+
if self.gradient_checkpointing and self.training:
|
1100 |
+
if use_cache:
|
1101 |
+
logger.warning_once(
|
1102 |
+
'`use_cache=True` is incompatible with gradient checkpointing. Setting `use_cache=False`...'
|
1103 |
+
)
|
1104 |
+
use_cache = False
|
1105 |
+
|
1106 |
+
if use_cache:
|
1107 |
+
use_legacy_cache = not isinstance(past_key_values, Cache)
|
1108 |
+
if use_legacy_cache:
|
1109 |
+
past_key_values = DynamicCache.from_legacy_cache(past_key_values)
|
1110 |
+
past_key_values_length = past_key_values.get_usable_length(seq_length)
|
1111 |
+
|
1112 |
+
if position_ids is None:
|
1113 |
+
device = input_ids.device if input_ids is not None else inputs_embeds.device
|
1114 |
+
position_ids = torch.arange(
|
1115 |
+
past_key_values_length, seq_length + past_key_values_length, dtype=torch.long, device=device
|
1116 |
+
)
|
1117 |
+
position_ids = position_ids.unsqueeze(0).view(-1, seq_length)
|
1118 |
+
else:
|
1119 |
+
position_ids = position_ids.view(-1, seq_length).long()
|
1120 |
+
|
1121 |
+
if inputs_embeds is None:
|
1122 |
+
inputs_embeds = self.embed_tokens(input_ids)
|
1123 |
+
|
1124 |
+
if attention_mask is not None and self._attn_implementation == 'flash_attention_2' and use_cache:
|
1125 |
+
is_padding_right = attention_mask[:, -1].sum().item() != batch_size
|
1126 |
+
if is_padding_right:
|
1127 |
+
raise ValueError(
|
1128 |
+
"You are attempting to perform batched generation with padding_side='right'"
|
1129 |
+
' this may lead to unexpected behaviour for Flash Attention version of Phi3. Make sure to '
|
1130 |
+
" call `tokenizer.padding_side = 'left'` before tokenizing the input. "
|
1131 |
+
)
|
1132 |
+
|
1133 |
+
if self._attn_implementation == 'flash_attention_2':
|
1134 |
+
# 2d mask is passed through the layers
|
1135 |
+
attention_mask = attention_mask if (attention_mask is not None and 0 in attention_mask) else None
|
1136 |
+
else:
|
1137 |
+
# 4d mask is passed through the layers
|
1138 |
+
attention_mask = _prepare_4d_causal_attention_mask(
|
1139 |
+
attention_mask,
|
1140 |
+
(batch_size, seq_length),
|
1141 |
+
inputs_embeds,
|
1142 |
+
past_key_values_length,
|
1143 |
+
sliding_window=self.config.sliding_window,
|
1144 |
+
)
|
1145 |
+
|
1146 |
+
hidden_states = inputs_embeds
|
1147 |
+
|
1148 |
+
# decoder layers
|
1149 |
+
all_hidden_states = () if output_hidden_states else None
|
1150 |
+
all_self_attns = () if output_attentions else None
|
1151 |
+
next_decoder_cache = None
|
1152 |
+
|
1153 |
+
for decoder_layer in self.layers:
|
1154 |
+
if output_hidden_states:
|
1155 |
+
all_hidden_states += (hidden_states,)
|
1156 |
+
|
1157 |
+
if self.gradient_checkpointing and self.training:
|
1158 |
+
layer_outputs = self._gradient_checkpointing_func(
|
1159 |
+
decoder_layer.__call__,
|
1160 |
+
hidden_states,
|
1161 |
+
attention_mask,
|
1162 |
+
position_ids,
|
1163 |
+
past_key_values,
|
1164 |
+
output_attentions,
|
1165 |
+
use_cache,
|
1166 |
+
)
|
1167 |
+
else:
|
1168 |
+
layer_outputs = decoder_layer(
|
1169 |
+
hidden_states,
|
1170 |
+
attention_mask=attention_mask,
|
1171 |
+
position_ids=position_ids,
|
1172 |
+
past_key_value=past_key_values,
|
1173 |
+
output_attentions=output_attentions,
|
1174 |
+
use_cache=use_cache,
|
1175 |
+
)
|
1176 |
+
|
1177 |
+
hidden_states = layer_outputs[0]
|
1178 |
+
|
1179 |
+
if use_cache:
|
1180 |
+
next_decoder_cache = layer_outputs[2 if output_attentions else 1]
|
1181 |
+
|
1182 |
+
if output_attentions:
|
1183 |
+
all_self_attns += (layer_outputs[1],)
|
1184 |
+
|
1185 |
+
hidden_states = self.norm(hidden_states)
|
1186 |
+
|
1187 |
+
# add hidden states from the last decoder layer
|
1188 |
+
if output_hidden_states:
|
1189 |
+
all_hidden_states += (hidden_states,)
|
1190 |
+
|
1191 |
+
next_cache = None
|
1192 |
+
if use_cache:
|
1193 |
+
next_cache = next_decoder_cache.to_legacy_cache() if use_legacy_cache else next_decoder_cache
|
1194 |
+
if not return_dict:
|
1195 |
+
return tuple(v for v in [hidden_states, next_cache, all_hidden_states, all_self_attns] if v is not None)
|
1196 |
+
return BaseModelOutputWithPast(
|
1197 |
+
last_hidden_state=hidden_states,
|
1198 |
+
past_key_values=next_cache,
|
1199 |
+
hidden_states=all_hidden_states,
|
1200 |
+
attentions=all_self_attns,
|
1201 |
+
)
|
1202 |
+
|
1203 |
+
|
1204 |
+
class Phi3ForCausalLM(Phi3PreTrainedModel):
|
1205 |
+
_tied_weights_keys = ['lm_head.weight']
|
1206 |
+
|
1207 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.__init__ with Llama->Phi3
|
1208 |
+
def __init__(self, config):
|
1209 |
+
super().__init__(config)
|
1210 |
+
self.model = Phi3Model(config)
|
1211 |
+
self.vocab_size = config.vocab_size
|
1212 |
+
self.lm_head = nn.Linear(config.hidden_size, config.vocab_size, bias=False)
|
1213 |
+
|
1214 |
+
# Initialize weights and apply final processing
|
1215 |
+
self.post_init()
|
1216 |
+
|
1217 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.get_input_embeddings
|
1218 |
+
def get_input_embeddings(self):
|
1219 |
+
return self.model.embed_tokens
|
1220 |
+
|
1221 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.set_input_embeddings
|
1222 |
+
def set_input_embeddings(self, value):
|
1223 |
+
self.model.embed_tokens = value
|
1224 |
+
|
1225 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.get_output_embeddings
|
1226 |
+
def get_output_embeddings(self):
|
1227 |
+
return self.lm_head
|
1228 |
+
|
1229 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.set_output_embeddings
|
1230 |
+
def set_output_embeddings(self, new_embeddings):
|
1231 |
+
self.lm_head = new_embeddings
|
1232 |
+
|
1233 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.set_decoder
|
1234 |
+
def set_decoder(self, decoder):
|
1235 |
+
self.model = decoder
|
1236 |
+
|
1237 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.get_decoder
|
1238 |
+
def get_decoder(self):
|
1239 |
+
return self.model
|
1240 |
+
|
1241 |
+
# Ignore copy
|
1242 |
+
@add_start_docstrings_to_model_forward(PHI3_INPUTS_DOCSTRING)
|
1243 |
+
@replace_return_docstrings(output_type=CausalLMOutputWithPast, config_class=_CONFIG_FOR_DOC)
|
1244 |
+
def forward(
|
1245 |
+
self,
|
1246 |
+
input_ids: torch.LongTensor = None,
|
1247 |
+
attention_mask: Optional[torch.Tensor] = None,
|
1248 |
+
position_ids: Optional[torch.LongTensor] = None,
|
1249 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
1250 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
1251 |
+
labels: Optional[torch.LongTensor] = None,
|
1252 |
+
use_cache: Optional[bool] = None,
|
1253 |
+
output_attentions: Optional[bool] = None,
|
1254 |
+
output_hidden_states: Optional[bool] = None,
|
1255 |
+
return_dict: Optional[bool] = None,
|
1256 |
+
) -> Union[Tuple, CausalLMOutputWithPast]:
|
1257 |
+
r"""
|
1258 |
+
Args:
|
1259 |
+
labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
|
1260 |
+
Labels for computing the masked language modeling loss. Indices should either be in `[0, ...,
|
1261 |
+
config.vocab_size]` or -100 (see `input_ids` docstring). Tokens with indices set to `-100` are ignored
|
1262 |
+
(masked), the loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`.
|
1263 |
+
|
1264 |
+
Returns:
|
1265 |
+
|
1266 |
+
Example:
|
1267 |
+
|
1268 |
+
```python
|
1269 |
+
>>> from transformers import AutoTokenizer, Phi3ForCausalLM
|
1270 |
+
|
1271 |
+
>>> model = Phi3ForCausalLM.from_pretrained("microsoft/phi-3-mini-4k-instruct")
|
1272 |
+
>>> tokenizer = AutoTokenizer.from_pretrained("microsoft/phi-3-mini-4k-instruct")
|
1273 |
+
|
1274 |
+
>>> prompt = "This is an example script ."
|
1275 |
+
>>> inputs = tokenizer(prompt, return_tensors="pt")
|
1276 |
+
|
1277 |
+
>>> # Generate
|
1278 |
+
>>> generate_ids = model.generate(inputs.input_ids, max_length=30)
|
1279 |
+
>>> tokenizer.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0]
|
1280 |
+
'This is an example script .\n Certainly! Below is a sample script that demonstrates a simple task, such as calculating the sum'
|
1281 |
+
```"""
|
1282 |
+
|
1283 |
+
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
|
1284 |
+
output_hidden_states = (
|
1285 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
1286 |
+
)
|
1287 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
1288 |
+
|
1289 |
+
# decoder outputs consists of (dec_features, layer_state, dec_hidden, dec_attn)
|
1290 |
+
outputs = self.model(
|
1291 |
+
input_ids=input_ids,
|
1292 |
+
attention_mask=attention_mask,
|
1293 |
+
position_ids=position_ids,
|
1294 |
+
past_key_values=past_key_values,
|
1295 |
+
inputs_embeds=inputs_embeds,
|
1296 |
+
use_cache=use_cache,
|
1297 |
+
output_attentions=output_attentions,
|
1298 |
+
output_hidden_states=output_hidden_states,
|
1299 |
+
return_dict=return_dict,
|
1300 |
+
)
|
1301 |
+
|
1302 |
+
hidden_states = outputs[0]
|
1303 |
+
logits = self.lm_head(hidden_states)
|
1304 |
+
logits = logits.float()
|
1305 |
+
|
1306 |
+
loss = None
|
1307 |
+
if labels is not None:
|
1308 |
+
# Shift so that tokens < n predict n
|
1309 |
+
shift_logits = logits[..., :-1, :].contiguous()
|
1310 |
+
shift_labels = labels[..., 1:].contiguous()
|
1311 |
+
# Flatten the tokens
|
1312 |
+
loss_fct = CrossEntropyLoss()
|
1313 |
+
shift_logits = shift_logits.view(-1, self.config.vocab_size)
|
1314 |
+
shift_labels = shift_labels.view(-1)
|
1315 |
+
# Enable model parallelism
|
1316 |
+
shift_labels = shift_labels.to(shift_logits.device)
|
1317 |
+
loss = loss_fct(shift_logits, shift_labels)
|
1318 |
+
|
1319 |
+
if not return_dict:
|
1320 |
+
output = (logits,) + outputs[1:]
|
1321 |
+
return (loss,) + output if loss is not None else output
|
1322 |
+
|
1323 |
+
return CausalLMOutputWithPast(
|
1324 |
+
loss=loss,
|
1325 |
+
logits=logits,
|
1326 |
+
past_key_values=outputs.past_key_values,
|
1327 |
+
hidden_states=outputs.hidden_states,
|
1328 |
+
attentions=outputs.attentions,
|
1329 |
+
)
|
1330 |
+
|
1331 |
+
# Copied from transformers.models.persimmon.modeling_persimmon.PersimmonForCausalLM.prepare_inputs_for_generation
|
1332 |
+
def prepare_inputs_for_generation(
|
1333 |
+
self, input_ids, past_key_values=None, attention_mask=None, inputs_embeds=None, **kwargs
|
1334 |
+
):
|
1335 |
+
if past_key_values is not None:
|
1336 |
+
if isinstance(past_key_values, Cache):
|
1337 |
+
cache_length = past_key_values.get_seq_length()
|
1338 |
+
past_length = past_key_values.seen_tokens
|
1339 |
+
max_cache_length = past_key_values.get_max_length()
|
1340 |
+
else:
|
1341 |
+
cache_length = past_length = past_key_values[0][0].shape[2]
|
1342 |
+
max_cache_length = None
|
1343 |
+
|
1344 |
+
# Keep only the unprocessed tokens:
|
1345 |
+
# 1 - If the length of the attention_mask exceeds the length of input_ids, then we are in a setting where
|
1346 |
+
# some of the inputs are exclusively passed as part of the cache (e.g. when passing input_embeds as
|
1347 |
+
# input)
|
1348 |
+
if attention_mask is not None and attention_mask.shape[1] > input_ids.shape[1]:
|
1349 |
+
input_ids = input_ids[:, -(attention_mask.shape[1] - past_length) :]
|
1350 |
+
# 2 - If the past_length is smaller than input_ids', then input_ids holds all input tokens. We can discard
|
1351 |
+
# input_ids based on the past_length.
|
1352 |
+
elif past_length < input_ids.shape[1]:
|
1353 |
+
input_ids = input_ids[:, past_length:]
|
1354 |
+
# 3 - Otherwise (past_length >= input_ids.shape[1]), let's assume input_ids only has unprocessed tokens.
|
1355 |
+
|
1356 |
+
# If we are about to go beyond the maximum cache length, we need to crop the input attention mask.
|
1357 |
+
if (
|
1358 |
+
max_cache_length is not None
|
1359 |
+
and attention_mask is not None
|
1360 |
+
and cache_length + input_ids.shape[1] > max_cache_length
|
1361 |
+
):
|
1362 |
+
attention_mask = attention_mask[:, -max_cache_length:]
|
1363 |
+
|
1364 |
+
position_ids = kwargs.get('position_ids', None)
|
1365 |
+
if attention_mask is not None and position_ids is None:
|
1366 |
+
# create position_ids on the fly for batch generation
|
1367 |
+
position_ids = attention_mask.long().cumsum(-1) - 1
|
1368 |
+
position_ids.masked_fill_(attention_mask == 0, 1)
|
1369 |
+
if past_key_values:
|
1370 |
+
position_ids = position_ids[:, -input_ids.shape[1] :]
|
1371 |
+
|
1372 |
+
# if `inputs_embeds` are passed, we only want to use them in the 1st generation step
|
1373 |
+
if inputs_embeds is not None and past_key_values is None:
|
1374 |
+
model_inputs = {'inputs_embeds': inputs_embeds}
|
1375 |
+
else:
|
1376 |
+
model_inputs = {'input_ids': input_ids}
|
1377 |
+
|
1378 |
+
model_inputs.update(
|
1379 |
+
{
|
1380 |
+
'position_ids': position_ids,
|
1381 |
+
'past_key_values': past_key_values,
|
1382 |
+
'use_cache': kwargs.get('use_cache'),
|
1383 |
+
'attention_mask': attention_mask,
|
1384 |
+
}
|
1385 |
+
)
|
1386 |
+
return model_inputs
|
1387 |
+
|
1388 |
+
@staticmethod
|
1389 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM._reorder_cache
|
1390 |
+
def _reorder_cache(past_key_values, beam_idx):
|
1391 |
+
reordered_past = ()
|
1392 |
+
for layer_past in past_key_values:
|
1393 |
+
reordered_past += (
|
1394 |
+
tuple(past_state.index_select(0, beam_idx.to(past_state.device)) for past_state in layer_past),
|
1395 |
+
)
|
1396 |
+
return reordered_past
|
1397 |
+
|
1398 |
+
|
1399 |
+
@add_start_docstrings(
|
1400 |
+
"""
|
1401 |
+
The [`Phi3Model`] with a sequence classification head on top (linear layer).
|
1402 |
+
|
1403 |
+
[`Phi3ForSequenceClassification`] uses the last token in order to do the classification, as other causal models
|
1404 |
+
(e.g. GPT-2) do.
|
1405 |
+
|
1406 |
+
Since it does classification on the last token, it requires to know the position of the last token. If a
|
1407 |
+
`pad_token_id` is defined in the configuration, it finds the last token that is not a padding token in each row. If
|
1408 |
+
no `pad_token_id` is defined, it simply takes the last value in each row of the batch. Since it cannot guess the
|
1409 |
+
padding tokens when `inputs_embeds` are passed instead of `input_ids`, it does the same (take the last value in
|
1410 |
+
each row of the batch).
|
1411 |
+
""",
|
1412 |
+
PHI3_START_DOCSTRING,
|
1413 |
+
)
|
1414 |
+
# Copied from transformers.models.llama.modeling_llama.LlamaForSequenceClassification with Llama->Phi3, LLAMA->PHI3, self.transformer->self.model, transformer_outputs->model_outputs
|
1415 |
+
class Phi3ForSequenceClassification(Phi3PreTrainedModel):
|
1416 |
+
def __init__(self, config):
|
1417 |
+
super().__init__(config)
|
1418 |
+
self.num_labels = config.num_labels
|
1419 |
+
self.model = Phi3Model(config)
|
1420 |
+
self.score = nn.Linear(config.hidden_size, self.num_labels, bias=False)
|
1421 |
+
|
1422 |
+
# Initialize weights and apply final processing
|
1423 |
+
self.post_init()
|
1424 |
+
|
1425 |
+
def get_input_embeddings(self):
|
1426 |
+
return self.model.embed_tokens
|
1427 |
+
|
1428 |
+
def set_input_embeddings(self, value):
|
1429 |
+
self.model.embed_tokens = value
|
1430 |
+
|
1431 |
+
@add_start_docstrings_to_model_forward(PHI3_INPUTS_DOCSTRING)
|
1432 |
+
def forward(
|
1433 |
+
self,
|
1434 |
+
input_ids: torch.LongTensor = None,
|
1435 |
+
attention_mask: Optional[torch.Tensor] = None,
|
1436 |
+
position_ids: Optional[torch.LongTensor] = None,
|
1437 |
+
past_key_values: Optional[List[torch.FloatTensor]] = None,
|
1438 |
+
inputs_embeds: Optional[torch.FloatTensor] = None,
|
1439 |
+
labels: Optional[torch.LongTensor] = None,
|
1440 |
+
use_cache: Optional[bool] = None,
|
1441 |
+
output_attentions: Optional[bool] = None,
|
1442 |
+
output_hidden_states: Optional[bool] = None,
|
1443 |
+
return_dict: Optional[bool] = None,
|
1444 |
+
) -> Union[Tuple, SequenceClassifierOutputWithPast]:
|
1445 |
+
r"""
|
1446 |
+
labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
|
1447 |
+
Labels for computing the sequence classification/regression loss. Indices should be in `[0, ...,
|
1448 |
+
config.num_labels - 1]`. If `config.num_labels == 1` a regression loss is computed (Mean-Square loss), If
|
1449 |
+
`config.num_labels > 1` a classification loss is computed (Cross-Entropy).
|
1450 |
+
"""
|
1451 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
1452 |
+
|
1453 |
+
model_outputs = self.model(
|
1454 |
+
input_ids,
|
1455 |
+
attention_mask=attention_mask,
|
1456 |
+
position_ids=position_ids,
|
1457 |
+
past_key_values=past_key_values,
|
1458 |
+
inputs_embeds=inputs_embeds,
|
1459 |
+
use_cache=use_cache,
|
1460 |
+
output_attentions=output_attentions,
|
1461 |
+
output_hidden_states=output_hidden_states,
|
1462 |
+
return_dict=return_dict,
|
1463 |
+
)
|
1464 |
+
hidden_states = model_outputs[0]
|
1465 |
+
logits = self.score(hidden_states)
|
1466 |
+
|
1467 |
+
if input_ids is not None:
|
1468 |
+
batch_size = input_ids.shape[0]
|
1469 |
+
else:
|
1470 |
+
batch_size = inputs_embeds.shape[0]
|
1471 |
+
|
1472 |
+
if self.config.pad_token_id is None and batch_size != 1:
|
1473 |
+
raise ValueError('Cannot handle batch sizes > 1 if no padding token is defined.')
|
1474 |
+
if self.config.pad_token_id is None:
|
1475 |
+
sequence_lengths = -1
|
1476 |
+
else:
|
1477 |
+
if input_ids is not None:
|
1478 |
+
# if no pad token found, use modulo instead of reverse indexing for ONNX compatibility
|
1479 |
+
sequence_lengths = torch.eq(input_ids, self.config.pad_token_id).int().argmax(-1) - 1
|
1480 |
+
sequence_lengths = sequence_lengths % input_ids.shape[-1]
|
1481 |
+
sequence_lengths = sequence_lengths.to(logits.device)
|
1482 |
+
else:
|
1483 |
+
sequence_lengths = -1
|
1484 |
+
|
1485 |
+
pooled_logits = logits[torch.arange(batch_size, device=logits.device), sequence_lengths]
|
1486 |
+
|
1487 |
+
loss = None
|
1488 |
+
if labels is not None:
|
1489 |
+
labels = labels.to(logits.device)
|
1490 |
+
if self.config.problem_type is None:
|
1491 |
+
if self.num_labels == 1:
|
1492 |
+
self.config.problem_type = 'regression'
|
1493 |
+
elif self.num_labels > 1 and (labels.dtype == torch.long or labels.dtype == torch.int):
|
1494 |
+
self.config.problem_type = 'single_label_classification'
|
1495 |
+
else:
|
1496 |
+
self.config.problem_type = 'multi_label_classification'
|
1497 |
+
|
1498 |
+
if self.config.problem_type == 'regression':
|
1499 |
+
loss_fct = MSELoss()
|
1500 |
+
if self.num_labels == 1:
|
1501 |
+
loss = loss_fct(pooled_logits.squeeze(), labels.squeeze())
|
1502 |
+
else:
|
1503 |
+
loss = loss_fct(pooled_logits, labels)
|
1504 |
+
elif self.config.problem_type == 'single_label_classification':
|
1505 |
+
loss_fct = CrossEntropyLoss()
|
1506 |
+
loss = loss_fct(pooled_logits.view(-1, self.num_labels), labels.view(-1))
|
1507 |
+
elif self.config.problem_type == 'multi_label_classification':
|
1508 |
+
loss_fct = BCEWithLogitsLoss()
|
1509 |
+
loss = loss_fct(pooled_logits, labels)
|
1510 |
+
if not return_dict:
|
1511 |
+
output = (pooled_logits,) + model_outputs[1:]
|
1512 |
+
return ((loss,) + output) if loss is not None else output
|
1513 |
+
|
1514 |
+
return SequenceClassifierOutputWithPast(
|
1515 |
+
loss=loss,
|
1516 |
+
logits=pooled_logits,
|
1517 |
+
past_key_values=model_outputs.past_key_values,
|
1518 |
+
hidden_states=model_outputs.hidden_states,
|
1519 |
+
attentions=model_outputs.attentions,
|
1520 |
+
)
|
1521 |
+
|
1522 |
+
|
1523 |
+
@add_start_docstrings(
|
1524 |
+
"""
|
1525 |
+
[`Phi3Model`] with a token classification head on top (a linear layer on top of the hidden-states output) e.g. for
|
1526 |
+
Named-Entity-Recognition (NER) tasks.
|
1527 |
+
""",
|
1528 |
+
PHI3_START_DOCSTRING,
|
1529 |
+
)
|
1530 |
+
# Copied from transformers.models.mpt.modeling_mpt.MptForTokenClassification with Mpt->Phi3,MPT->PHI3,self.transformer->self.model,transformer_outputs->model_outputs
|
1531 |
+
class Phi3ForTokenClassification(Phi3PreTrainedModel):
|
1532 |
+
def __init__(self, config: Phi3Config):
|
1533 |
+
super().__init__(config)
|
1534 |
+
self.num_labels = config.num_labels
|
1535 |
+
|
1536 |
+
self.model = Phi3Model(config)
|
1537 |
+
if hasattr(config, 'classifier_dropout') and config.classifier_dropout is not None:
|
1538 |
+
classifier_dropout = config.classifier_dropout
|
1539 |
+
elif hasattr(config, 'hidden_dropout') and config.hidden_dropout is not None:
|
1540 |
+
classifier_dropout = config.hidden_dropout
|
1541 |
+
else:
|
1542 |
+
classifier_dropout = 0.1
|
1543 |
+
self.dropout = nn.Dropout(classifier_dropout)
|
1544 |
+
self.classifier = nn.Linear(config.hidden_size, config.num_labels)
|
1545 |
+
|
1546 |
+
# Initialize weights and apply final processing
|
1547 |
+
self.post_init()
|
1548 |
+
|
1549 |
+
@add_start_docstrings_to_model_forward(PHI3_INPUTS_DOCSTRING)
|
1550 |
+
@add_code_sample_docstrings(
|
1551 |
+
checkpoint=_CHECKPOINT_FOR_DOC,
|
1552 |
+
output_type=TokenClassifierOutput,
|
1553 |
+
config_class=_CONFIG_FOR_DOC,
|
1554 |
+
)
|
1555 |
+
def forward(
|
1556 |
+
self,
|
1557 |
+
input_ids: Optional[torch.LongTensor] = None,
|
1558 |
+
past_key_values: Optional[Tuple[Tuple[torch.Tensor, torch.Tensor], ...]] = None,
|
1559 |
+
attention_mask: Optional[torch.Tensor] = None,
|
1560 |
+
inputs_embeds: Optional[torch.Tensor] = None,
|
1561 |
+
labels: Optional[torch.Tensor] = None,
|
1562 |
+
use_cache: Optional[bool] = None,
|
1563 |
+
output_attentions: Optional[bool] = None,
|
1564 |
+
output_hidden_states: Optional[bool] = None,
|
1565 |
+
return_dict: Optional[bool] = None,
|
1566 |
+
**deprecated_arguments,
|
1567 |
+
) -> Union[Tuple[torch.Tensor], TokenClassifierOutput]:
|
1568 |
+
r"""
|
1569 |
+
labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
|
1570 |
+
Labels for computing the sequence classification/regression loss. Indices should be in `[0, ...,
|
1571 |
+
config.num_labels - 1]`. If `config.num_labels == 1` a regression loss is computed (Mean-Square loss), If
|
1572 |
+
`config.num_labels > 1` a classification loss is computed (Cross-Entropy).
|
1573 |
+
"""
|
1574 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
1575 |
+
|
1576 |
+
model_outputs = self.model(
|
1577 |
+
input_ids,
|
1578 |
+
past_key_values=past_key_values,
|
1579 |
+
attention_mask=attention_mask,
|
1580 |
+
inputs_embeds=inputs_embeds,
|
1581 |
+
use_cache=use_cache,
|
1582 |
+
output_attentions=output_attentions,
|
1583 |
+
output_hidden_states=output_hidden_states,
|
1584 |
+
return_dict=return_dict,
|
1585 |
+
)
|
1586 |
+
|
1587 |
+
hidden_states = model_outputs[0]
|
1588 |
+
hidden_states = self.dropout(hidden_states)
|
1589 |
+
logits = self.classifier(hidden_states)
|
1590 |
+
|
1591 |
+
loss = None
|
1592 |
+
if labels is not None:
|
1593 |
+
# move labels to correct device to enable model parallelism
|
1594 |
+
labels = labels.to(logits.device)
|
1595 |
+
batch_size, seq_length = labels.shape
|
1596 |
+
loss_fct = CrossEntropyLoss()
|
1597 |
+
loss = loss_fct(
|
1598 |
+
logits.view(batch_size * seq_length, self.num_labels), labels.view(batch_size * seq_length)
|
1599 |
+
)
|
1600 |
+
|
1601 |
+
if not return_dict:
|
1602 |
+
output = (logits,) + model_outputs[2:]
|
1603 |
+
return ((loss,) + output) if loss is not None else output
|
1604 |
+
|
1605 |
+
return TokenClassifierOutput(
|
1606 |
+
loss=loss,
|
1607 |
+
logits=logits,
|
1608 |
+
hidden_states=model_outputs.hidden_states,
|
1609 |
+
attentions=model_outputs.attentions,
|
1610 |
+
)
|
requirements.txt
ADDED
@@ -0,0 +1,3 @@
|
|
|
|
|
|
|
|
|
1 |
+
transformers==4.37.2
|
2 |
+
datasets
|
3 |
+
timm
|
train.py
ADDED
@@ -0,0 +1,74 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
|
2 |
+
|
3 |
+
########################################
|
4 |
+
# python -m train
|
5 |
+
###########################################
|
6 |
+
# see https://huggingface.co/OpenGVLab/InternVL2-4B/
|
7 |
+
|
8 |
+
|
9 |
+
|
10 |
+
|
11 |
+
import torch
|
12 |
+
from tqdm import tqdm
|
13 |
+
|
14 |
+
from data import dataloader
|
15 |
+
from model import model, tokenizer, optimizer, load_image
|
16 |
+
import config
|
17 |
+
|
18 |
+
def get_loss(model, input):
|
19 |
+
ids = tokenizer(input['text'], return_tensors='pt', padding=True, truncation=True, max_length=config.max_tokens).to(config.device)
|
20 |
+
# print(tokenizer.decode(ids.input_ids[0]), 'Training text')
|
21 |
+
pixel_values = input['image'].to(config.device, config.dtype)
|
22 |
+
pixel_values = torch.nn.functional.interpolate(pixel_values, (224, 224))
|
23 |
+
with torch.cuda.amp.autocast(enabled=True, dtype=config.dtype):
|
24 |
+
output = model(**ids, labels=ids.input_ids, pixel_values=pixel_values)
|
25 |
+
|
26 |
+
return output.loss
|
27 |
+
|
28 |
+
scaler = torch.cuda.amp.GradScaler()
|
29 |
+
|
30 |
+
for epoch in range(config.epochs):
|
31 |
+
for ind, sample in tqdm(enumerate(iter(dataloader))):
|
32 |
+
if sample is None:
|
33 |
+
continue
|
34 |
+
|
35 |
+
if ind % 100 == 0:
|
36 |
+
with torch.cuda.amp.autocast(enabled=True, dtype=config.dtype):
|
37 |
+
response = model.chat(tokenizer=tokenizer,
|
38 |
+
pixel_values=torch.nn.functional.interpolate(
|
39 |
+
load_image('/home/ryn_mote/Downloads/horse_style.png').to(config.device, config.dtype),
|
40 |
+
(224, 224)),
|
41 |
+
question='<image>\n ',
|
42 |
+
generation_config = dict(max_new_tokens=config.max_tokens, do_sample=True))
|
43 |
+
print('\n\n\n', response, '\n\n\n' )
|
44 |
+
|
45 |
+
response = model.chat(tokenizer=tokenizer,
|
46 |
+
pixel_values=torch.nn.functional.interpolate(
|
47 |
+
load_image('/home/ryn_mote/Downloads/1200px-Andrzej_Person_Kancelaria_Senatu.jpg').to(config.device, config.dtype),
|
48 |
+
(224, 224)),
|
49 |
+
question='<image>\n ',
|
50 |
+
generation_config = dict(max_new_tokens=config.max_tokens, do_sample=True))
|
51 |
+
print('\n\n\n', response, '\n\n\n' )
|
52 |
+
|
53 |
+
loss = get_loss(model, sample)
|
54 |
+
print(loss.item())
|
55 |
+
|
56 |
+
scaler.scale(loss).backward()
|
57 |
+
|
58 |
+
optimizer.step()
|
59 |
+
optimizer.zero_grad()
|
60 |
+
|
61 |
+
|
62 |
+
if ind % 1000 == 0:
|
63 |
+
model.save_pretrained(config.save_path, from_pt=True)
|
64 |
+
|
65 |
+
|
66 |
+
|
67 |
+
|
68 |
+
# TODO verify whether we can do vector arithmetic; add to validation taking addition of two images or something
|
69 |
+
|
70 |
+
# TODO drop in whole new image/text model
|
71 |
+
|
72 |
+
|
73 |
+
|
74 |
+
|
config.json → weights_CLIP_aesth_7000/config.json
RENAMED
@@ -1,6 +1,6 @@
|
|
1 |
{
|
2 |
"_commit_hash": null,
|
3 |
-
"_name_or_path": "inter-
|
4 |
"architectures": [
|
5 |
"InternVLChatModel"
|
6 |
],
|
|
|
1 |
{
|
2 |
"_commit_hash": null,
|
3 |
+
"_name_or_path": "/home/ryn_mote/Misc/vlm_with_pooled_for_text_genrec/inter-est_CLIP",
|
4 |
"architectures": [
|
5 |
"InternVLChatModel"
|
6 |
],
|
generation_config.json → weights_CLIP_aesth_7000/generation_config.json
RENAMED
File without changes
|
model-00001-of-00002.safetensors → weights_CLIP_aesth_7000/model-00001-of-00002.safetensors
RENAMED
@@ -1,3 +1,3 @@
|
|
1 |
version https://git-lfs.github.com/spec/v1
|
2 |
-
oid sha256:
|
3 |
-
size
|
|
|
1 |
version https://git-lfs.github.com/spec/v1
|
2 |
+
oid sha256:763931fb70db0e3df71e7ba963bc49ff6174d0af75803fb73fdf2a47d6bb3365
|
3 |
+
size 4975791834
|
model-00002-of-00002.safetensors → weights_CLIP_aesth_7000/model-00002-of-00002.safetensors
RENAMED
@@ -1,3 +1,3 @@
|
|
1 |
version https://git-lfs.github.com/spec/v1
|
2 |
-
oid sha256:
|
3 |
-
size
|
|
|
1 |
version https://git-lfs.github.com/spec/v1
|
2 |
+
oid sha256:45ce1b26973bd07602733d116666d85f2f3f2b82b150cb9684c72ba2c0ad193c
|
3 |
+
size 3009216872
|
model.safetensors.index.json → weights_CLIP_aesth_7000/model.safetensors.index.json
RENAMED
@@ -1,6 +1,6 @@
|
|
1 |
{
|
2 |
"metadata": {
|
3 |
-
"total_size":
|
4 |
},
|
5 |
"weight_map": {
|
6 |
"language_model.lm_head.weight": "model-00002-of-00002.safetensors",
|
@@ -47,36 +47,36 @@
|
|
47 |
"language_model.model.layers.14.post_attention_layernorm.weight": "model-00001-of-00002.safetensors",
|
48 |
"language_model.model.layers.14.self_attn.o_proj.weight": "model-00001-of-00002.safetensors",
|
49 |
"language_model.model.layers.14.self_attn.qkv_proj.weight": "model-00001-of-00002.safetensors",
|
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"language_model.model.layers.15.input_layernorm.weight": "model-
|
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-
"language_model.model.layers.15.mlp.down_proj.weight": "model-
|
52 |
"language_model.model.layers.15.mlp.gate_up_proj.weight": "model-00001-of-00002.safetensors",
|
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|
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|
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-
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|
59 |
-
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|
60 |
-
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|
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-
"language_model.model.layers.16.self_attn.qkv_proj.weight": "model-
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"language_model.model.layers.17.input_layernorm.weight": "model-
|
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|
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|
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|
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|
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-
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|
68 |
-
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|
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|
70 |
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|
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|
72 |
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|
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75 |
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77 |
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|
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-
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80 |
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|
81 |
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|
82 |
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|
@@ -204,345 +204,403 @@
|
|
204 |
"mlp1.1.weight": "model-00002-of-00002.safetensors",
|
205 |
"mlp1.3.bias": "model-00002-of-00002.safetensors",
|
206 |
"mlp1.3.weight": "model-00002-of-00002.safetensors",
|
207 |
-
"vision_model.
|
208 |
-
"vision_model.embeddings.
|
209 |
-
"vision_model.embeddings.
|
210 |
-
"vision_model.
|
211 |
-
"vision_model.encoder.layers.0.
|
212 |
-
"vision_model.encoder.layers.0.
|
213 |
-
"vision_model.encoder.layers.0.
|
214 |
-
"vision_model.encoder.layers.0.
|
215 |
-
"vision_model.encoder.layers.0.
|
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