WizardLM7b / app.py
john
Update app.py
b96b830
raw
history blame
No virus
2.87 kB
import gradio as gr
import os
os.system('CMAKE_ARGS="-DLLAMA_OPENBLAS=on" FORCE_CMAKE=1 pip install llama-cpp-python')
import wget
from llama_cpp import Llama
import random
import os
import multiprocessing
def get_num_cores():
"""Get the number of CPU cores."""
return os.cpu_count()
def get_num_threads():
"""Get the number of threads available to the current process."""
return multiprocessing.cpu_count()
if __name__ == "__main__":
num_cores = get_num_cores()
num_threads = get_num_threads()
print(f"Number of CPU cores: {num_cores}")
print(f"Number of threads available to the current process: {num_threads}")
url = 'https://huggingface.co/TheBloke/Llama-2-7B-Chat-GGML/resolve/main/llama-2-7b-chat.ggmlv3.q2_K.bin'
filename = wget.download(url)
llm2 = Llama(model_path=filename, seed=random.randint(1, 2**31), lora_path="ggml-adapter-model.bin")
filename = wget.download(url)
theme = gr.themes.Soft(
primary_hue=gr.themes.Color("#ededed", "#fee2e2", "#fecaca", "#fca5a5", "#f87171", "#ef4444", "#dc2626", "#b91c1c", "#991b1b", "#7f1d1d", "#6c1e1e"),
neutral_hue="red",
)
title = """<h1 align="center">Chat with awesome LLAMA 2 CHAT model!</h1><br>"""
with gr.Blocks(theme=theme) as demo:
gr.HTML(title)
gr.HTML("This model is awesome for its size! It is only 20th the size of Chatgpt but is still decent for chatting. However like all models, LLAMA-2-CHAT can hallucinate and provide incorrect information.")
chatbot = gr.Chatbot()
msg = gr.Textbox()
clear = gr.ClearButton([msg, chatbot])
#instruction = gr.Textbox(label="Instruction", placeholder=)
def user(user_message, history):
return gr.update(value="", interactive=True), history + [[user_message, None]]
def bot(history):
#instruction = history[-1][1] or ""
user_message = history[-1][0]
#token1 = llm.tokenize(b"### Instruction: ")
#token2 = llm.tokenize(instruction.encode())
#token3 = llm2.tokenize(b"USER: ")
#tokens3 = llm2.tokenize(user_message.encode())
#token4 = llm2.tokenize(b"\n\n### Response:")
tokens = llm2.tokenize(user_message.encode())
history[-1][1] = ""
count = 0
output = ""
for token in llm2.generate(tokens, top_k=50, top_p=0.73, temp=0.72, repeat_penalty=1.1):
text = llm2.detokenize([token])
output += text.decode()
count += 1
if count >= 500 or (token == llm2.token_eos()):
break
history[-1][1] += text.decode()
yield history
response = msg.submit(user, [msg, chatbot], [msg, chatbot], queue=False).then(
bot, chatbot, chatbot
)
response.then(lambda: gr.update(interactive=True), None, [msg], queue=False)
gr.HTML("Thanks for checking out this app!")
demo.queue()
demo.launch(debug=True)