Update app.py

app.py

@@ -1,5 +1,5 @@
 import gradio as gr
-import os, gc, torch
+import os, gc, copy, torch
 from datetime import datetime
 from huggingface_hub import hf_hub_download
 from pynvml import *
@@ -14,6 +14,7 @@ os.environ["RWKV_CUDA_ON"] = '1' # if '1' then use CUDA kernel for seq mode (muc
 from rwkv.model import RWKV
 model_path = hf_hub_download(repo_id="BlinkDL/rwkv-4-raven", filename=f"{title}.pth")
 model = RWKV(model=model_path, strategy='cuda fp16i8 *8 -> cuda fp16')
+# model = RWKV(model='D:/ChatRWKV/RWKV-4-Raven-7B-v9-Eng99%-Other1%-20230412-ctx8192.pth', strategy='cuda fp16i8 *10 -> cuda fp16')
 from rwkv.utils import PIPELINE, PIPELINE_ARGS
 pipeline = PIPELINE(model, "20B_tokenizer.json")
 
@@ -57,9 +58,6 @@ def evaluate(
     input = input.strip()
     ctx = generate_prompt(instruction, input)
     
-    gpu_info = nvmlDeviceGetMemoryInfo(gpu_h)
-    print(f'vram {gpu_info.total} used {gpu_info.used} free {gpu_info.free}')
-    
     all_tokens = []
     out_last = 0
     out_str = ''
@@ -84,41 +82,222 @@ def evaluate(
             out_str += tmp
             yield out_str.strip()
             out_last = i + 1
+
+    gpu_info = nvmlDeviceGetMemoryInfo(gpu_h)
+    print(f'vram {gpu_info.total} used {gpu_info.used} free {gpu_info.free}')  
+
     gc.collect()
     torch.cuda.empty_cache()
     yield out_str.strip()
 
 examples = [
-    ["Tell me about ravens.", "", 150, 1.0, 0.5, 0.4, 0.4],
-    ["Write a python function to mine 1 BTC, with details and comments.", "", 150, 1.0, 0.5, 0.2, 0.2],
-    ["Write a song about ravens.", "", 150, 1.0, 0.5, 0.4, 0.4],
-    ["Explain the following metaphor: Life is like cats.", "", 150, 1.0, 0.5, 0.4, 0.4],
-    ["Write a story using the following information", "A man named Alex chops a tree down", 150, 1.0, 0.5, 0.4, 0.4],
-    ["Generate a list of adjectives that describe a person as brave.", "", 150, 1.0, 0.5, 0.4, 0.4],
-    ["You have $100, and your goal is to turn that into as much money as possible with AI and Machine Learning. Please respond with detailed plan.", "", 150, 1.0, 0.5, 0.4, 0.4],
+    ["Tell me about ravens.", "", 150, 1.2, 0.5, 0.3, 0.3],
+    ["Write a python function to mine 1 BTC, with details and comments.", "", 150, 1.2, 0.5, 0.3, 0.3],
+    ["Write a song about ravens.", "", 150, 1.2, 0.5, 0.3, 0.3],
+    ["Explain the following metaphor: Life is like cats.", "", 150, 1.2, 0.5, 0.3, 0.3],
+    ["Write a story using the following information", "A man named Alex chops a tree down", 150, 1.2, 0.5, 0.3, 0.3],
+    ["Generate a list of adjectives that describe a person as brave.", "", 150, 1.2, 0.5, 0.3, 0.3],
+    ["You have $100, and your goal is to turn that into as much money as possible with AI and Machine Learning. Please respond with detailed plan.", "", 150, 1.2, 0.5, 0.3, 0.3],
 ]
 
-g = gr.Interface(
-    fn=evaluate,
-    inputs=[
-        gr.components.Textbox(lines=2, label="Instruction", value="Tell me about ravens."),
-        gr.components.Textbox(lines=2, label="Input", placeholder="none"),
-        gr.components.Slider(minimum=10, maximum=200, step=10, value=150), # token_count
-        gr.components.Slider(minimum=0.2, maximum=2.0, step=0.1, value=1.0), # temperature
-        gr.components.Slider(minimum=0, maximum=1, step=0.05, value=0.5), # top_p
-        gr.components.Slider(0.0, 1.0, step=0.1, value=0.4),  # presencePenalty
-        gr.components.Slider(0.0, 1.0, step=0.1, value=0.4),  # countPenalty        
-    ],
-    outputs=[
-        gr.inputs.Textbox(
-            lines=5,
-            label="Output",
-        )
-    ],
-    title=f"🐦Raven - {title}",
-    description="Raven is [RWKV 7B](https://github.com/BlinkDL/ChatRWKV) 100% RNN [RWKV-LM](https://github.com/BlinkDL/RWKV-LM) finetuned to follow instructions. *** Please try examples first (bottom of page) *** (edit them to use your question). Demo limited to ctxlen 1024. It is finetuned on [Stanford Alpaca](https://github.com/tatsu-lab/stanford_alpaca), codealpaca and more. For best results, *** keep you prompt short and clear ***.",
-    examples=examples,
-    cache_examples=False,
-)
-g.queue(concurrency_count=1, max_size=10)
-g.launch(share=False)
+##########################################################################
+
+chat_intro = '''The following is a coherent verbose detailed conversation between <|user|> and an AI girl named <|bot|>.
+
+<|user|>: Hi <|bot|>, Would you like to chat with me for a while?
+
+<|bot|>: Hi <|user|>. Sure. What would you like to talk about? I'm listening.
+'''
+
+def user(message, chatbot):
+    chatbot = chatbot or []
+    print(f"User: {message}")
+    return "", chatbot + [[message, None]]
+
+def alternative(chatbot, history):
+    if not chatbot or not history:
+        return chatbot, history
+    
+    chatbot[-1][1] = None
+    history[0] = copy.deepcopy(history[1])
+
+    return chatbot, history
+
+def chat(
+        prompt,
+        user,
+        bot,
+        chatbot,
+        history,
+        temperature=1.0,
+        top_p=0.8,
+        presence_penalty=0.1,
+        count_penalty=0.1,
+):
+    args = PIPELINE_ARGS(temperature=max(0.2, float(temperature)), top_p=float(top_p),
+                         alpha_frequency=float(count_penalty),
+                         alpha_presence=float(presence_penalty),
+                         token_ban=[],  # ban the generation of some tokens
+                         token_stop=[])  # stop generation whenever you see any token here
+    
+    if not chatbot:
+        return chatbot, history
+
+    message = chatbot[-1][0]
+    message = message.strip().replace('\r\n','\n').replace('\n\n','\n')
+    ctx = f"{user}: {message}\n\n{bot}:"
+
+    if not history:
+        prompt = prompt.replace("<|user|>", user.strip())
+        prompt = prompt.replace("<|bot|>", bot.strip())
+        prompt = prompt.strip()
+        prompt = f"\n{prompt}\n\n"
+
+        out, state = model.forward(pipeline.encode(prompt), None)
+        history = [state, None, []]  # [state, state_pre, tokens]
+        print("History reloaded.")
+
+    [state, _, all_tokens] = history
+    state_pre_0 = copy.deepcopy(state)
+
+    out, state = model.forward(pipeline.encode(ctx)[-ctx_limit:], state)
+    state_pre_1 = copy.deepcopy(state)    # For recovery
+
+    print("Bot:", end='')
+
+    begin = len(all_tokens)
+    out_last = begin
+    out_str: str = ''
+    occurrence = {}
+    for i in range(300):
+        if i <= 0:
+            nl_bias = -float('inf')
+        elif i <= 30:
+            nl_bias = (i - 30) * 0.1
+        elif i <= 130:
+            nl_bias = 0
+        else:
+            nl_bias = (i - 130) * 0.25
+        out[187] += nl_bias
+        for n in occurrence:
+            out[n] -= (args.alpha_presence + occurrence[n] * args.alpha_frequency)
+
+        token = pipeline.sample_logits(out, temperature=args.temperature, top_p=args.top_p)
+        next_tokens = [token]
+        if token == 0:
+            next_tokens = pipeline.encode('\n\n')
+        all_tokens += next_tokens
+
+        if token not in occurrence:
+            occurrence[token] = 1
+        else:
+            occurrence[token] += 1
+
+        out, state = model.forward(next_tokens, state)
+
+        tmp = pipeline.decode(all_tokens[out_last:])
+        if '\ufffd' not in tmp:
+            print(tmp, end='', flush=True)
+            out_last = begin + i + 1
+            out_str += tmp
+
+            chatbot[-1][1] = out_str.strip()
+            history = [state, all_tokens]
+            yield chatbot, history
+
+        out_str = pipeline.decode(all_tokens[begin:])
+        out_str = out_str.replace("\r\n", '\n').replace('\\n', '\n')
+
+        if '\n\n' in out_str:
+            break
+
+        # State recovery
+        if f'{user}:' in out_str or f'{bot}:' in out_str:
+            idx_user = out_str.find(f'{user}:')
+            idx_user = len(out_str) if idx_user == -1 else idx_user
+            idx_bot = out_str.find(f'{bot}:')
+            idx_bot = len(out_str) if idx_bot == -1 else idx_bot
+            idx = min(idx_user, idx_bot)
+
+            if idx < len(out_str):
+                out_str = f" {out_str[:idx].strip()}\n\n"
+                tokens = pipeline.encode(out_str)
+
+                all_tokens = all_tokens[:begin] + tokens
+                out, state = model.forward(tokens, state_pre_1)
+                break
+
+    gpu_info = nvmlDeviceGetMemoryInfo(gpu_h)
+    print(f'vram {gpu_info.total} used {gpu_info.used} free {gpu_info.free}')  
+
+    gc.collect()
+    torch.cuda.empty_cache()
+
+    chatbot[-1][1] = out_str.strip()
+    history = [state, state_pre_0, all_tokens]
+    yield chatbot, history
+
+##########################################################################
+
+with gr.Blocks(title=title) as demo:
+    gr.HTML(f"<div style=\"text-align: center;\">\n<h1>🐦Raven - {title}</h1>\n</div>")
+    with gr.Tab("Instruct mode"):
+        gr.Markdown(f"Raven is [RWKV 7B](https://github.com/BlinkDL/ChatRWKV) 100% RNN [RWKV-LM](https://github.com/BlinkDL/RWKV-LM) finetuned to follow instructions. *** Please try examples first (bottom of page) *** (edit them to use your question). Demo limited to ctxlen {ctx_limit}. Finetuned on alpaca, gpt4all, codealpaca and more. For best results, *** keep you prompt short and clear ***. <b>UPDATE: now with Chat (see above, as a tab)</b>.")
+        with gr.Row():
+            with gr.Column():
+                instruction = gr.Textbox(lines=2, label="Instruction", value="Tell me about ravens.")
+                input = gr.Textbox(lines=2, label="Input", placeholder="none")
+                token_count = gr.Slider(10, 200, label="Max Tokens", step=10, value=150)
+                temperature = gr.Slider(0.2, 2.0, label="Temperature", step=0.1, value=1.2)
+                top_p = gr.Slider(0.0, 1.0, label="Top P", step=0.05, value=0.5)
+                presence_penalty = gr.Slider(0.0, 1.0, label="Presence Penalty", step=0.1, value=0.3)
+                count_penalty = gr.Slider(0.0, 1.0, label="Count Penalty", step=0.1, value=0.3)
+            with gr.Column():
+                with gr.Row():
+                    submit = gr.Button("Submit", variant="primary")
+                    clear = gr.Button("Clear", variant="secondary")
+                output = gr.Textbox(label="Output", lines=5)
+        data = gr.Dataset(components=[instruction, input, token_count, temperature, top_p, presence_penalty, count_penalty], samples=examples, label="Example Instructions", headers=["Instruction", "Input", "Max Tokens", "Temperature", "Top P", "Presence Penalty", "Count Penalty"])
+        submit.click(evaluate, [instruction, input, token_count, temperature, top_p, presence_penalty, count_penalty], [output])
+        clear.click(lambda: None, [], [output])
+        data.click(lambda x: x, [data], [instruction, input, token_count, temperature, top_p, presence_penalty, count_penalty])
+    
+    with gr.Tab("Chat (Experimental - Might be buggy - use ChatRWKV for reference)"):
+        gr.Markdown(f'''<b>*** The length of response is restricted in this demo. Use ChatRWKV for longer generations. ***</b> Say "go on" or "continue" can sometimes continue the response. If you'd like to edit the scenario, make sure to follow the exact same format: empty lines between (and only between) different speakers. Changes only take effect after you press [Clear]. <b>The default "Bob" & "Alice" names work the best.</b>''', label="Description")
+        with gr.Row():
+            with gr.Column():
+                chatbot = gr.Chatbot()
+                state = gr.State()
+                message = gr.Textbox(label="Message", value="Write me a python code to land on moon.")
+                with gr.Row():
+                    send = gr.Button("Send", variant="primary")
+                    alt = gr.Button("Alternative", variant="secondary")
+                    clear = gr.Button("Clear", variant="secondary")
+            with gr.Column():
+                with gr.Row():
+                    user_name = gr.Textbox(lines=1, max_lines=1, label="User Name", value="Bob")
+                    bot_name = gr.Textbox(lines=1, max_lines=1, label="Bot Name", value="Alice")
+                prompt = gr.Textbox(lines=10, max_lines=50, label="Scenario", value=chat_intro)
+                temperature = gr.Slider(0.2, 2.0, label="Temperature", step=0.1, value=1.2)
+                top_p = gr.Slider(0.0, 1.0, label="Top P", step=0.05, value=0.5)
+                presence_penalty = gr.Slider(0.0, 1.0, label="Presence Penalty", step=0.1, value=0.3)
+                count_penalty = gr.Slider(0.0, 1.0, label="Count Penalty", step=0.1, value=0.3)
+        chat_inputs = [
+            prompt,
+            user_name,
+            bot_name,
+            chatbot,
+            state,
+            temperature,
+            top_p,
+            presence_penalty,
+            count_penalty
+        ]
+        chat_outputs = [chatbot, state]
+        message.submit(user, [message, chatbot], [message, chatbot], queue=False).then(chat, chat_inputs, chat_outputs)
+        send.click(user, [message, chatbot], [message, chatbot], queue=False).then(chat, chat_inputs, chat_outputs)
+        alt.click(alternative, [chatbot, state], [chatbot, state], queue=False).then(chat, chat_inputs, chat_outputs)
+        clear.click(lambda: ([], None, ""), [], [chatbot, state, message], queue=False)
+
+demo.queue(concurrency_count=1, max_size=10)
+demo.launch(share=False)