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Delete app_v4.py
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app_v4.py
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import streamlit as st
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from transformers import AutoTokenizer
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from auto_gptq import AutoGPTQForCausalLM
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import torch
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import subprocess
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import traceback
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# Function to get memory info
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def get_gpu_memory():
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try:
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result = subprocess.check_output(["nvidia-smi", "--query-gpu=memory.free,memory.total", "--format=csv,nounits,noheader"], text=True)
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memory_info = [x.split(',') for x in result.strip().split('\n')]
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memory_info = [{"free": int(x[0].strip()), "total": int(x[1].strip())} for x in memory_info]
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except FileNotFoundError:
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memory_info = [{"free": "N/A", "total": "N/A"}]
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return memory_info
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# Display GPU memory information before loading the model
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gpu_memory_before = get_gpu_memory()
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st.write(f"GPU Memory Info before loading the model: {gpu_memory_before}")
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# Define pretrained model directory
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pretrained_model_dir = "FPHam/Jackson_The_Formalizer_V2_13b_GPTQ"
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# Check if CUDA is available and get the device
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device = "cuda:0" if torch.cuda.is_available() else "cpu"
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# Before allocating or loading the model, clear up memory if CUDA is available
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if device == "cuda:0":
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torch.cuda.empty_cache()
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# Load tokenizer
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tokenizer = AutoTokenizer.from_pretrained(pretrained_model_dir, use_fast=False)
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tokenizer.pad_token = tokenizer.eos_token # Ensure padding token is set correctly for the model
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# Attempt to load the model, catch any OOM errors
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@st.cache_resource
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def load_gptq_model():
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model = AutoGPTQForCausalLM.from_quantized(
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pretrained_model_dir,
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model_basename="Jackson2-4bit-128g-GPTQ",
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use_safetensors=True,
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device=device,
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disable_exllamav2=True
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)
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model.eval() # Set the model to inference mode
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return model
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model_loaded = False
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# Attempt to load the model, catch any OOM errors
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try:
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model = load_gptq_model()
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model_loaded = True
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except RuntimeError as e:
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if 'CUDA out of memory' in str(e):
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st.error("CUDA out of memory while loading the model. Try reducing the model size or restarting the app.")
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st.stop()
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else:
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raise e
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if model_loaded:
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# Display GPU memory information after loading the model
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gpu_memory_after = get_gpu_memory()
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st.write(f"GPU Memory Info after loading the model: {gpu_memory_after}")
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col1, col2 = st.columns(2)
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with col1:
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user_input = st.text_input("Input a phrase")
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with col2:
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max_token = st.number_input(label="Select max number of generated tokens", min_value=1, max_value=512, value=50, step=5)
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# Generate button
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if st.button("Generate the prompt"):
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try:
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prompt_template = f'USER: {user_input}\nASSISTANT:'
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inputs = tokenizer(prompt_template, return_tensors='pt', max_length=512, truncation=True, padding='max_length')
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inputs = inputs.to(device) # Move inputs to the same device as model
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# Generate text using torch.inference_mode for better performance during inference
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with torch.inference_mode():
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output = model.generate(**inputs, max_new_tokens=max_token)
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# Cut the tokens at the input length to display only the generated text
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output_ids_cut = output[:, inputs["input_ids"].shape[1]:]
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generated_text = tokenizer.decode(output_ids_cut[0], skip_special_tokens=True)
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st.markdown(f"**Generated Text:**\n{generated_text}")
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except RuntimeError as e:
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if 'CUDA out of memory' in str(e):
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st.error("CUDA out of memory during generation. Try reducing the input length or restarting the app.")
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# Log the detailed error message
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with open('error_log.txt', 'a') as f:
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f.write(traceback.format_exc())
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else:
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# Log the error and re-raise it
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with open('error_log.txt', 'a') as f:
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f.write(traceback.format_exc())
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raise e
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# Display GPU memory information after generation
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gpu_memory_after_generation = get_gpu_memory()
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st.write(f"GPU Memory Info after generation: {gpu_memory_after_generation}")
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