Spaces:
Runtime error
Runtime error
File size: 6,402 Bytes
a56348b 61b57c7 b7e2eef a56348b |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 |
import os
import sys
import fire
import gradio as gr
import torch
import transformers
from peft import PeftModel
from transformers import GenerationConfig, LlamaForCausalLM, LlamaTokenizer
from utils.callbacks import Iteratorize, Stream
from utils.prompter import Prompter
if torch.cuda.is_available():
device = "cuda"
else:
device = "cpu"
try:
if torch.backends.mps.is_available():
device = "mps"
except:
pass
def main(
load_8bit: bool = True,
base_model: str = "decapoda-research/llama-7b-hf",
lora_weights: str = "tiedong/goat-lora-7b",
prompt_template: str = "goat",
server_name: str = "0.0.0.0",
share_gradio: bool = True,
):
base_model = base_model or os.environ.get("BASE_MODEL", "")
assert (
base_model
), "Please specify a --base_model, e.g. --base_model='huggyllama/llama-7b'"
prompter = Prompter(prompt_template)
tokenizer = LlamaTokenizer.from_pretrained('hf-internal-testing/llama-tokenizer')
if device == "cuda":
model = LlamaForCausalLM.from_pretrained(
base_model,
load_in_8bit=load_8bit,
torch_dtype=torch.float16,
device_map="auto",
)
model = PeftModel.from_pretrained(
model,
lora_weights,
torch_dtype=torch.float16,
)
elif device == "mps":
model = LlamaForCausalLM.from_pretrained(
base_model,
device_map={"": device},
torch_dtype=torch.float16,
)
model = PeftModel.from_pretrained(
model,
lora_weights,
device_map={"": device},
torch_dtype=torch.float16,
)
else:
model = LlamaForCausalLM.from_pretrained(
base_model, device_map={"": device}, low_cpu_mem_usage=True
)
model = PeftModel.from_pretrained(
model,
lora_weights,
device_map={"": device},
)
if not load_8bit:
model.half()
model.eval()
if torch.__version__ >= "2" and sys.platform != "win32":
model = torch.compile(model)
def evaluate(
instruction,
temperature=0.1,
top_p=0.75,
top_k=40,
num_beams=4,
max_new_tokens=512,
stream_output=True,
**kwargs,
):
prompt = prompter.generate_prompt_inference(instruction)
inputs = tokenizer(prompt, return_tensors="pt")
input_ids = inputs["input_ids"].to(device)
generation_config = GenerationConfig(
temperature=temperature,
top_p=top_p,
top_k=top_k,
num_beams=num_beams,
**kwargs,
)
generate_params = {
"input_ids": input_ids,
"generation_config": generation_config,
"return_dict_in_generate": True,
"output_scores": True,
"max_new_tokens": max_new_tokens,
}
if stream_output:
# Stream the reply 1 token at a time.
# This is based on the trick of using 'stopping_criteria' to create an iterator,
# from https://github.com/oobabooga/text-generation-webui/blob/ad37f396fc8bcbab90e11ecf17c56c97bfbd4a9c/modules/text_generation.py#L216-L243.
def generate_with_callback(callback=None, **kwargs):
kwargs.setdefault(
"stopping_criteria", transformers.StoppingCriteriaList()
)
kwargs["stopping_criteria"].append(
Stream(callback_func=callback)
)
with torch.no_grad():
model.generate(**kwargs)
def generate_with_streaming(**kwargs):
return Iteratorize(
generate_with_callback, kwargs, callback=None
)
with generate_with_streaming(**generate_params) as generator:
for output in generator:
# new_tokens = len(output) - len(input_ids[0])
decoded_output = tokenizer.decode(output)
if output[-1] in [tokenizer.eos_token_id]:
break
yield prompter.get_response(decoded_output)
return # early return for stream_output
# Without streaming
with torch.no_grad():
generation_output = model.generate(
input_ids=input_ids,
generation_config=generation_config,
return_dict_in_generate=True,
output_scores=True,
max_new_tokens=max_new_tokens,
)
s = generation_output.sequences[0]
output = tokenizer.decode(s, skip_special_tokens=True).strip()
yield prompter.get_response(output)
gr.Interface(
fn=evaluate,
inputs=[
gr.components.Textbox(
lines=2,
label="Arithmetic",
placeholder="What is 63303235 + 20239503",
),
gr.components.Slider(
minimum=0, maximum=1, value=0.1, label="Temperature"
),
gr.components.Slider(
minimum=0, maximum=1, value=0.75, label="Top p"
),
gr.components.Slider(
minimum=0, maximum=100, step=1, value=40, label="Top k"
),
gr.components.Slider(
minimum=1, maximum=4, step=1, value=4, label="Beams"
),
gr.components.Slider(
minimum=1, maximum=1024, step=1, value=512, label="Max tokens"
),
gr.components.Checkbox(label="Stream output"),
],
outputs=[
gr.inputs.Textbox(
lines=5,
label="Output",
)
],
title="Goat-loRA-7b",
description="Goat-LoRA-7b is a 7B-parameter LLaMA finetuned to perform arithmetic tasks, including addition, subtraction, multiplication, and division of integers. It is trained on a synthetic dataset (https://github.com/liutiedong/goat) and makes use of the Huggingface LLaMA implementation. For more information, please visit [the project's website](https://github.com/liutiedong/goat).", # noqa: E501
).queue().launch(server_name="0.0.0.0", share=share_gradio)
if __name__ == "__main__":
fire.Fire(main)
|