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124 lines
3.6 KiB
124 lines
3.6 KiB
"""Simple script to evaluate base model performance."""
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import argparse
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import os
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import sys
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from datetime import datetime
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from pathlib import Path
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# Add project root to Python path
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project_root = str(Path(__file__).parent.parent)
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sys.path.append(project_root)
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from unsloth import FastLanguageModel
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from vllm import SamplingParams
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from config import logger
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from src import (
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apply_chat_template,
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build_reward_correctness_fn,
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build_user_prompt,
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get_system_prompt,
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run_eval,
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)
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def main():
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"""Run base model evaluation."""
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parser = argparse.ArgumentParser(description="Evaluate base model")
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parser.add_argument("--model_name", type=str, required=True, help="Name/path of the model to evaluate")
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parser.add_argument("--temperature", type=float, default=0, help="Sampling temperature")
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args = parser.parse_args()
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logger.info(f"🚀 Setting up model {args.model_name}...")
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# Setup model
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model, tokenizer = FastLanguageModel.from_pretrained(
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model_name=args.model_name,
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max_seq_length=4096 * 6,
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load_in_4bit=True,
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fast_inference=True,
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gpu_memory_utilization=0.8,
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)
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# Setup sampling params
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sampling_params = SamplingParams(
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temperature=args.temperature,
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top_p=0.95,
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max_tokens=4096 * 6,
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)
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# Setup verifier with lower temperature
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verifier_params = SamplingParams(
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temperature=0.1, # Lower temperature for more consistent verification
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top_p=0.95,
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max_tokens=4096 * 6,
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)
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def generate_fn(inputs):
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"""Generate responses for inputs."""
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messages = [
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{
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"messages": [
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{"role": "system", "content": get_system_prompt()},
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{"role": "user", "content": build_user_prompt(input_text)},
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]
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}
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for input_text in inputs
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]
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outputs = model.fast_generate(
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[apply_chat_template(msg, tokenizer=tokenizer)["text"] for msg in messages],
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sampling_params=sampling_params,
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)
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return outputs
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def verifier_generate_fn(inputs):
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"""Generate verification responses with lower temperature."""
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messages = [
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{
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"messages": [
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{"role": "system", "content": get_system_prompt()},
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{"role": "user", "content": build_user_prompt(input_text)},
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]
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}
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for input_text in inputs
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]
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return model.fast_generate(
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[apply_chat_template(msg, tokenizer=tokenizer)["text"] for msg in messages],
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sampling_params=verifier_params,
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)
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# Build verifier
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verify_fn = build_reward_correctness_fn(verifier_generate_fn, tokenizer)
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# Setup output directories
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timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
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eval_log_dir = "eval_logs"
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os.makedirs(eval_log_dir, exist_ok=True)
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output_file = os.path.join(eval_log_dir, f"base_model_results_{timestamp}.txt")
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debug_file = os.path.join(eval_log_dir, f"base_model_debug_{timestamp}.json")
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logger.info("📝 Starting evaluation...")
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logger.info(f"Results will be saved to: {output_file}")
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logger.info(f"Debug info will be saved to: {debug_file}")
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# Run evaluation using the agentic approach
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full_chat_states = run_eval(
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generate_fn=generate_fn,
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verify_fn=verify_fn,
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tokenizer=tokenizer,
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output_file=output_file,
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debug_file=debug_file,
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max_generations=32,
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)
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logger.info("✨ Evaluation completed!")
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logger.info(f"Check {output_file} for detailed results")
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if __name__ == "__main__":
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main()
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