225 lines
9.8 KiB
Python
225 lines
9.8 KiB
Python
import os
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import shutil
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import subprocess
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import time
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from typing import List
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from swift.utils import get_device_count
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# NOTE: this script supports at most 8 GPUS in a node, if using multi node, please use custom logic.
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# Paste conda env
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# conda_prefix = 'source /root/miniconda3/etc/profile.d/conda.sh && conda activate py311 && '
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conda_prefix = ''
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def do_sample(model: str, model_type: str, dataset: List[str], iter: int):
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device_count = get_device_count()
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handlers = []
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datasets = []
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# Sampling cache, to avoid lmdeploy & PRM run at the same time
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# Why lmdeploy not vllm? we found that the responses generated by lmdeploy are more similar than ones of vllm.
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for device in range(device_count):
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sample_cmd = (f'{conda_prefix} USE_OPENCOMPASS_EVALUATOR=True CUDA_VISIBLE_DEVICES={device} swift sample '
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f'--model {model} --model_type {model_type} '
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f'--dataset {" ".join(dataset)} '
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f'--data_range {device} {device_count} '
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f'--max_length 2048 '
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f'--system "You are a math model, you should **think step by step** carefully, '
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f'and always consider the basic math principles to avoid making calculating mistakes.'
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f'Give the final answer wrapped with \\boxed{{}}" '
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f'--load_args false '
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f'--sampler_engine vllm '
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f'--max_new_tokens 768 '
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f'--override_exist_file true '
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f'--num_sampling_batch_size 1 '
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f'--num_return_sequences 64 '
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f'--cache_files sample_output/iter_{iter}_proc_{device}_cache.jsonl '
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f'--output_file iter_{iter}_proc_{device}_cache.jsonl '
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f'--top_p 1.0 '
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f'--temperature 1.0 ')
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print(f'Sampling caches of iter {iter}, part {device}.', flush=True)
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env = os.environ.copy()
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env['CUDA_VISIBLE_DEVICES'] = str(device)
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handler = subprocess.Popen(
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f'{sample_cmd}' + f' > logs/sample_iter_{iter}_proc_{device}_cache.log 2>&1',
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env=os.environ.copy(),
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shell=True,
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executable='/bin/bash')
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handlers.append(handler)
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for proc, handler in enumerate(handlers):
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handler.wait()
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assert os.path.exists(os.path.join('sample_output', f'iter_{iter}_proc_{proc}_cache.jsonl'))
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handlers = []
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# Sample again, this time to filter with ORM & PRM
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# Provide your PRM model or PRM name(add PRM in swift/rewards/prm.py first)
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# You can define your custom PRM logic in the plugin
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# (like, split your steps, use the worst score/last score/avg score)
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for device in range(device_count):
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sample_cmd = (
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f'{conda_prefix} USE_OPENCOMPASS_EVALUATOR=True CUDA_VISIBLE_DEVICES={device} swift sample '
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f'--model {model} --model_type {model_type} ' # change to --resume_from_checkpoint to use the latest optimizer state # noqa
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f'--dataset {" ".join(dataset)} '
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f'--data_range {device} {device_count} '
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f'--max_length 2048 '
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f'--system "You are a math model, you should **think step by step** carefully, '
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f'and always consider the basic math principles to avoid making calculating mistakes.'
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f'Give the final answer wrapped with \\boxed{{}}" '
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f'--load_args false '
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f'--sampler_engine no '
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f'--orm_model math ' # math defines in swift/rewards/orm.py
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f'--prm_model Qwen/Qwen2.5-Math-PRM-7B '
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f'--prm_threshold {min(0.7 + 0.1 * iter, 0.9)} '
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f'--max_new_tokens 768 '
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f'--override_exist_file true ' # no not override the existing sample files
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f'--num_sampling_batch_size 1 '
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f'--num_return_sequences 64 '
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f'--output_file iter_{iter}_proc_{device}_sampling.jsonl '
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f'--cache_files sample_output/iter_{iter}_proc_{device}_cache.jsonl ')
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print(f'Sampling iter {iter}, part {device}.', flush=True)
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env = os.environ.copy()
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env['CUDA_VISIBLE_DEVICES'] = str(device)
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handler = subprocess.Popen(
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f'{sample_cmd}' + f' > logs/sample_iter_{iter}_proc_{device}.log 2>&1',
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env=os.environ.copy(),
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shell=True,
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executable='/bin/bash')
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handlers.append(handler)
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for proc, handler in enumerate(handlers):
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handler.wait()
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assert os.path.exists(os.path.join('sample_output', f'iter_{iter}_proc_{proc}_sampling.jsonl')), (
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f'{os.path.join("sample_output", f"iter_{iter}_proc_{proc}_sampling.jsonl")} not exists, '
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'please check the sample logs to get the detail error.')
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datasets.append(os.path.join('sample_output', f'iter_{iter}_proc_{proc}_sampling.jsonl'))
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print(f'Sampling done, files:{datasets}', flush=True)
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return datasets
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def do_train(model: str, model_type: str, datasets: List[str], iter, cmd='sft'):
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gpu_prefix = ''
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ds_config = ''
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if get_device_count() > 1:
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gpu_prefix = f'NPROC_PER_NODE={get_device_count()} '
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ds_config = '--deepspeed zero3 '
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extra_args = ''
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if cmd == 'rlhf':
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extra_args = '--rlhf_type dpo --beta 0.3 ' # use another reinforce learning method supported by swift
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ga = 128 // get_device_count() // 2
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train_cmd = (f'{conda_prefix} {gpu_prefix} swift {cmd} '
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f'--model {model} --model_type {model_type} '
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f'--dataset {" ".join(datasets)} '
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f'--max_length 2048 '
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f'--num_train_epochs 1 '
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f'--load_args false '
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f'--tuner_type full '
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f'{extra_args} '
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f'--eval_strategy no '
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f'--split_dataset_ratio 0 '
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f'--per_device_train_batch_size 2 '
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f'--gradient_accumulation_steps {ga} '
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f'--save_steps 1 '
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f'--save_strategy epoch '
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f'{ds_config} '
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f'--learning_rate 4e-6 ')
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print(f'Training iter {iter}.', flush=True)
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handler = subprocess.Popen(
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f'{train_cmd}' + f' > logs/train_iter_{iter}.log 2>&1',
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shell=True,
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env=os.environ.copy(),
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executable='/bin/bash')
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handler.wait()
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ckpt = None
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with open(f'logs/train_iter_{iter}.log', 'r') as f:
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for line in f.readlines():
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if 'last_model_checkpoint: ' in line:
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ckpt = line.split('last_model_checkpoint: ')[1]
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break
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assert ckpt is not None
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print(f'Training done, ckpt: {ckpt.strip()}.', flush=True)
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return ckpt.strip()
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def do_eval(model, model_type: str, iter):
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eval_cmd = (
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f'{conda_prefix} swift eval '
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'--eval_dataset competition_math ' # eval another dataset
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'--infer_backend vllm --eval_limit 500 '
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f'--model {model} --model_type {model_type} '
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'--system "You are a math model, you should **think step by step** carefully, '
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'and always consider the basic math principles to avoid making calculating mistakes. '
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'Give the final answer wrapped with \\boxed{}"')
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print('Evaluating.', flush=True)
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# Replace the original dataset to the math.json, this is for test, comment this if not need
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replace_math_dataset()
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if iter is None:
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iter = 'origin'
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env = os.environ.copy()
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env['CUDA_VISIBLE_DEVICES'] = '0'
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handler = subprocess.Popen(
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f'{eval_cmd}' + f' > logs/eval_iter_{iter}.log 2>&1', shell=True, env=env, executable='/bin/bash')
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handler.wait()
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acc = None
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# | math | 393424 | accuracy | gen | 39.00 |
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with open(f'logs/eval_iter_{iter}.log', 'r') as f:
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for line in f.readlines():
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if 'Level 5' in line and 'AveragePass@1' in line:
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parts = [p for p in line.split('|') if p.strip()]
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acc = float(parts[-2])
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break
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print(f'Iter {iter} eval done with acc: {acc}.', flush=True)
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return acc
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def replace_math_dataset():
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# Note: This may run failed because this is special for math test,
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# and one must run swift eval --eval_dataset math first to make sure opencompass has created
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# the folder.
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# You can use original math dataset either. just comment this call.
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user_dir = os.path.expanduser('~')
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if os.path.exists(os.path.join(user_dir, '.cache', 'opencompass', 'data', 'math', 'math.json')):
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os.remove(os.path.join(user_dir, '.cache', 'opencompass', 'data', 'math', 'math.json'))
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shutil.copy(
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os.path.join('examples', 'train', 'rft', 'math.json'),
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os.path.join(user_dir, '.cache', 'opencompass', 'data', 'math', 'math.json'))
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def main():
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os.makedirs('logs', exist_ok=True)
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max_acc = 0.
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first_model = 'Qwen/Qwen2.5-Math-7B-Instruct'
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model_type = 'qwen2_5_math'
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if False:
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# eval the original model
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do_eval(first_model, None)
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model = first_model
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for i in range(5):
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ts = time.time()
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datasets = do_sample(model, model_type, ['tastelikefeet/competition_math'], i)
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# add custom data filter here, for example: length or diversity control
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print(f'do sample cost: {(time.time() - ts) / 60:.1f} minutes.', flush=True)
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ts = time.time()
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# if want to train the original dataset with datasets, add the original dataset here
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# if want to train the original model everytime, change to first_model
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ckpt = do_train(model, model_type, datasets, i)
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print(f'do train cost: {(time.time() - ts) / 60:.1f} minutes.', flush=True)
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ts = time.time()
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acc = do_eval(ckpt, model_type, i)
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print(f'do eval cost: {(time.time() - ts) / 60:.1f} minutes.', flush=True)
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if acc > max_acc:
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max_acc = acc
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model = ckpt
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print(f'acc: {acc}, upgrade model to : {model}', flush=True)
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if __name__ == '__main__':
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main()
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