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Add a history size parameter to the chat

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If too many messages are used in the prompt, the model
gets really slow. It is useful to have the ability to
limit this.
This commit is contained in:
oobabooga 2023-01-20 17:03:09 -03:00
parent 4067cecf67
commit 185587a33e
2 changed files with 24 additions and 10 deletions
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31
server.py
View file

@ -49,6 +49,9 @@ settings = {
'prompt': 'Common sense questions and answers\n\nQuestion: \nFactual answer:',
'prompt_gpt4chan': '-----\n--- 865467536\nInput text\n--- 865467537\n',
'stop_at_newline': True,
'history_size': 8,
'history_size_min': 0,
'history_size_max': 64,
'preset_pygmalion': 'Pygmalion',
'name1_pygmalion': 'You',
'name2_pygmalion': 'Kawaii',
@ -229,16 +232,21 @@ if args.chat or args.cai_chat:
text = text.strip()
return text
def generate_chat_prompt(text, tokens, name1, name2, context):
def generate_chat_prompt(text, tokens, name1, name2, context, history_size):
text = clean_chat_message(text)
rows = [f"{context.strip()}\n"]
i = len(history)-1
count = 0
while i >= 0 and len(encode(''.join(rows), tokens)[0]) < 2048-tokens:
rows.insert(1, f"{name2}: {history[i][1].strip()}\n")
count += 1
if not (i == 0 and len(history[i][0]) == 0):
rows.insert(1, f"{name1}: {history[i][0].strip()}\n")
count += 1
i -= 1
if history_size != 0 and count >= history_size:
break
rows.append(f"{name1}: {text}\n")
rows.append(f"{name2}:")
@ -247,10 +255,11 @@ if args.chat or args.cai_chat:
rows.pop(1)
question = ''.join(rows)
print(question)
return question
def chatbot_wrapper(text, tokens, inference_settings, selected_model, name1, name2, context, check):
question = generate_chat_prompt(text, tokens, name1, name2, context)
def chatbot_wrapper(text, tokens, inference_settings, selected_model, name1, name2, context, check, history_size):
question = generate_chat_prompt(text, tokens, name1, name2, context, history_size)
history.append(['', ''])
eos_token = '\n' if check else None
for reply in generate_reply(question, tokens, inference_settings, selected_model, eos_token=eos_token):
@ -288,8 +297,8 @@ if args.chat or args.cai_chat:
yield history
def cai_chatbot_wrapper(text, tokens, inference_settings, selected_model, name1, name2, context, check):
for history in chatbot_wrapper(text, tokens, inference_settings, selected_model, name1, name2, context, check):
def cai_chatbot_wrapper(text, tokens, inference_settings, selected_model, name1, name2, context, check, history_size):
for history in chatbot_wrapper(text, tokens, inference_settings, selected_model, name1, name2, context, check, history_size):
yield generate_chat_html(history, name1, name2, character)
def remove_last_message(name1, name2):
@ -362,11 +371,12 @@ if args.chat or args.cai_chat:
stop = gr.Button("Stop")
btn3 = gr.Button("Remove last message")
length_slider = gr.Slider(minimum=settings['max_new_tokens_min'], maximum=settings['max_new_tokens_max'], step=1, label='max_new_tokens', value=settings['max_new_tokens'])
with gr.Row():
with gr.Column():
length_slider = gr.Slider(minimum=settings['max_new_tokens_min'], maximum=settings['max_new_tokens_max'], step=1, label='max_new_tokens', value=settings['max_new_tokens'])
model_menu = gr.Dropdown(choices=available_models, value=model_name, label='Model')
with gr.Column():
history_size_slider = gr.Slider(minimum=settings['history_size_min'], maximum=settings['history_size_max'], step=1, label='Chat history size (0 for no limit)', value=settings['history_size'])
preset_menu = gr.Dropdown(choices=available_presets, value=settings[f'preset{suffix}'], label='Settings preset')
name1 = gr.Textbox(value=settings[f'name1{suffix}'], lines=1, label='Your name')
@ -385,13 +395,14 @@ if args.chat or args.cai_chat:
save_btn = gr.Button(value="Click me")
download = gr.File()
input_params = [textbox, length_slider, preset_menu, model_menu, name1, name2, context, check, history_size_slider]
if args.cai_chat:
gen_event = btn.click(cai_chatbot_wrapper, [textbox, length_slider, preset_menu, model_menu, name1, name2, context, check], display1, show_progress=args.no_stream, api_name="textgen")
gen_event2 = textbox.submit(cai_chatbot_wrapper, [textbox, length_slider, preset_menu, model_menu, name1, name2, context, check], display1, show_progress=args.no_stream)
gen_event = btn.click(cai_chatbot_wrapper, input_params, display1, show_progress=args.no_stream, api_name="textgen")
gen_event2 = textbox.submit(cai_chatbot_wrapper, input_params, display1, show_progress=args.no_stream)
btn2.click(clear_html, [], display1, show_progress=False)
else:
gen_event = btn.click(chatbot_wrapper, [textbox, length_slider, preset_menu, model_menu, name1, name2, context, check], display1, show_progress=args.no_stream, api_name="textgen")
gen_event2 = textbox.submit(chatbot_wrapper, [textbox, length_slider, preset_menu, model_menu, name1, name2, context, check], display1, show_progress=args.no_stream)
gen_event = btn.click(chatbot_wrapper, input_params, display1, show_progress=args.no_stream, api_name="textgen")
gen_event2 = textbox.submit(chatbot_wrapper, input_params, display1, show_progress=args.no_stream)
btn2.click(lambda x: "", display1, display1, show_progress=False)
btn2.click(clear)

3
settings-template.json
View file

@ -9,6 +9,9 @@
"prompt": "Common sense questions and answers\n\nQuestion: \nFactual answer:",
"prompt_gpt4chan": "-----\n--- 865467536\nInput text\n--- 865467537\n",
"stop_at_newline": true,
"history_size": 8,
"history_size_min": 0,
"history_size_max": 64,
"preset_pygmalion": "Pygmalion",
"name1_pygmalion": "You",
"name2_pygmalion": "Kawaii",