mirror of
https://github.com/hpcaitech/ColossalAI.git
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369 lines
16 KiB
Python
369 lines
16 KiB
Python
import argparse
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import json
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import os
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import ray
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import torch
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from coati.distributed.launch import launch_distributed
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DEFAUT_SYSTEM_PROMPT = {
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"think_answer_tags": "You are a helpful assistant. The assistant first thinks about the reasoning process in the mind and then provides the user with the answer. The reasoning process and answer are enclosed within <think> </think> and<answer> </answer> tags, respectively, i.e., <think> reasoning process here </think><answer> answer here </answer>. Now the user asks you to solve a math problem that involves reasoning. After thinking, when you finally reach a conclusion, clearly output the final answer without explanation within the <answer> </answer> tags, i.e., <answer> 123 </answer>.\n\n",
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"boxed": "Please reason step by step, and put your final answer within \\boxed{}.",
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"code": "You are a helpful assistant.",
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}
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("-m", "--model", type=str, default="Qwen/Qwen2.5-7B")
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parser.add_argument("-d", "--dataset", type=str, default="data.jsonl")
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parser.add_argument(
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"-ed",
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"--eval-dataset",
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type=str,
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default=None,
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help="Evaluation dataset for each task, please use json format to specify the dataset for each task. \
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For example: {'task1':'data_eval_task1.jsonl', 'task2':'data_eval_task2.jsonl'}, the jsonl file should be in the same format as the training dataset. \
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The key is the task name, and the value is the path to the jsonl file",
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)
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parser.add_argument("-p", "--project", type=str, default="GRPO", help="Project name.")
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parser.add_argument("-e", "--num-episodes", type=int, default=1, help="Number of episodes to train.")
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# Distributed training parameters
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parser.add_argument("-t", "--num-trainers", type=int, default=2)
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parser.add_argument("-i", "--num-inferencer", type=int, default=2)
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parser.add_argument("-g", "--num-generations", type=int, default=8, help="Number of generations per prompt.")
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parser.add_argument(
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"-ibs",
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"--inference-batch-size",
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type=int,
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default=64,
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help="Number of prompts to generate per inference step. It should be divisible by tbs, and the weights on the inference backend will be synced every ibs/tbs training steps of the policy model.",
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)
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parser.add_argument(
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"-imbs",
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"--inference-microbatch-size",
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type=int,
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default=8,
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help="Effective batch size for the inference backend to run generation. Please select based on memory constraint.",
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)
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parser.add_argument(
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"-tbs",
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"--train-batch-size",
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type=int,
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default=32,
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help="Number of unique prompts to update policy model per step per dp group. Gradient is accumulated across tbs * dp_size unique prompts, equivalently tbs * g * dp_size samples",
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)
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parser.add_argument(
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"-tMbs",
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"--train-minibatch-size",
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type=int,
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default=8,
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help="Number of unique prompts in each training batch per dp group. The inference backend must generate tMbs * g * dp_size samples before forwarding. Satisfy tMbs * g >= tmbs",
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)
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parser.add_argument(
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"-tmbs",
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"--train-microbatch-size",
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type=int,
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default=2,
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help="Effective batch size per dp group for forwarding and backwarding. Please select based on the availiable memory.",
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)
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parser.add_argument(
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"-tp",
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"--tensor-parallel-size",
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type=int,
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default=1,
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help="Tensor parallel size for the trainer (consumer). Please check the generation arguments documentation for your backend.",
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)
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parser.add_argument(
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"-pp",
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"--pipeline-parallel-size",
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type=int,
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default=1,
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help="Pipeline parallel size for the trainer (consumer). Please check the generation arguments documentation for your backend.",
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)
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parser.add_argument(
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"-zero",
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"--zero-stage",
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type=int,
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default=0,
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help="Zero stage for the trainer (consumer). Please check the generation arguments documentation for your backend.",
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)
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parser.add_argument(
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"--ray_dir", type=str, default=None, help="Custom temperary directory for storing ray cluster data, Optional"
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)
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parser.add_argument(
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"--master_address", type=str, default=None, help="Master address for multi-node distributed training, Optional"
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)
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parser.add_argument(
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"--master_port", type=int, default=29506, help="Master port for multi-node distributed training, Optional"
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)
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# Sampling parameters
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parser.add_argument("-b", "--backend", type=str, default="transformers", choices=["transformers", "vllm"])
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parser.add_argument("-temp", "--temperature", type=float, default=1.0, help="Temperature for sampling.")
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parser.add_argument(
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"-topk",
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"--top-k",
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type=int,
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default=None,
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help="Top k for sampling. Please check the generation arguments documentation for your backend.",
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)
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parser.add_argument(
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"-topp",
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"--top-p",
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type=float,
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default=1.0,
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help="Top p for sampling. Please check the generation arguments documentation for your backend.",
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)
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parser.add_argument("-s", "--system-prompt", type=str, default=None, help="System prompt for data construction.")
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parser.add_argument("-mnt", "--max-new-tokens", type=int, default=1024 * 4 - 512, help="Max length for generation.")
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parser.add_argument("-mpt", "--max-prompt-tokens", type=int, default=512, help="Max length for prompt.")
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parser.add_argument(
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"-ptp",
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"--producer-tensor-parallel-size",
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type=int,
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default=1,
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help="Tensor parallel size for the producer. Please check the generation arguments documentation for your backend.",
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)
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# GRPO parameters
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parser.add_argument("-a", "--algo", type=str, default="GRPO", choices=["DAPO", "GRPO"])
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parser.add_argument("-lr", "--learning-rate", type=float, default=1e-6, help="Learning rate for GRPO.")
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parser.add_argument("-kl", "--kl-coeff", type=float, default=0.01, help="KL penalty coefficient for GRPO.")
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parser.add_argument(
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"-rt",
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"--reward-type",
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type=str,
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default="think_answer_tags",
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choices=["think_answer_tags", "boxed", "code"],
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help="Reward type for GRPO.",
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)
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parser.add_argument(
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"-ei",
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"--eval-interval",
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type=int,
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default=100,
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help="Interval for evaluation. Evaluate every ei training steps.",
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)
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parser.add_argument(
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"-nb",
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"--n-behind",
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type=int,
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default=0,
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help="Number of producer batches to rollout to fill the data buffer before trainer starts to decrease bubble time",
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)
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# Logging/Checkpointing parameters
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parser.add_argument("-si", "--save-interval", type=int, default=100, help="Interval for saving checkpoints.")
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parser.add_argument("-sd", "--save-dir", type=str, default="./model", help="Directory for saving checkpoints.")
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parser.add_argument(
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"-esd", "--eval-save-dir", type=str, default="./eval", help="Directory for saving evaluation results."
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)
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parser.add_argument(
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"-rsd", "--rollout-save-dir", type=str, default="./rollouts", help="Directory for saving rollout loggings."
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)
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parser.add_argument(
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"--enable_profiling", action="store_true", default=False, help="Enable profiling for the training process."
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)
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args = parser.parse_args()
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if args.train_minibatch_size is None:
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# Default settings: Using train batch size as mini batch size
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args.train_minibatch_size = args.train_batch_size
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if args.inference_batch_size is None:
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# Default settings: Using train batch size as inference batch size, sync every inference model every train step
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args.inference_batch_size = args.train_batch_size
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assert (
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args.train_minibatch_size * args.num_generations >= args.train_microbatch_size
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and args.train_microbatch_size > 0
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), "Train micro batch size must be greater than 0 less than train mini batch size * num generations"
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assert (
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args.train_minibatch_size <= args.train_batch_size and args.train_batch_size % args.train_minibatch_size == 0
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), "Train mini batch size must be less than or equals to train batch size and train batch size must be divisible by train mini batch size"
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if args.master_address is None:
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# Default settings: Using single machine
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ray.init(
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address="local",
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namespace="ray-example",
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runtime_env={
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"env_vars": {
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# "RAY_DEBUG_POST_MORTEM": "1" # enable post-mortem debugging with ray
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"TOKENIZERS_PARALLELISM": "false"
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},
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},
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)
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else:
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# For ray distributed multi-machine training, Please change _node_ip_address to your IP address of your master node
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ray.init(
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_node_ip_address=args.master_address,
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namespace="ray-example",
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_temp_dir=args.ray_dir,
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runtime_env={
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"env_vars": {
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# "RAY_DEBUG_POST_MORTEM": "1" # enable post-mortem debugging with ray
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"TOKENIZERS_PARALLELISM": "false"
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},
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},
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)
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if args.top_k is None:
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if args.backend == "transformers":
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args.top_k = 50
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elif args.backend == "vllm":
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args.top_k = -1
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os.environ["TOKENIZERS_PARALLELISM"] = "false" # Disable tokenizers parallelism to avoid deadlock
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inference_model_config = dict(path=args.model)
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train_model_config = dict(path=args.model, use_flash_attention_2=True, use_cache=False)
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generate_config = dict(top_k=args.top_k, top_p=args.top_p, temperature=args.temperature)
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if args.backend == "transformers":
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inference_model_config.update(
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dict(
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use_flash_attention_2=True,
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torch_dtype=torch.bfloat16,
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)
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)
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generate_config.update(
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dict(
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max_length=args.max_new_tokens + args.max_prompt_tokens,
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do_sample=True,
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max_new_tokens=None,
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early_stopping=False if args.reward_type == "think_answer_tags" else True,
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stop_strings=["</answer>"] if args.reward_type == "think_answer_tags" else None,
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)
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)
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eval_generation_config = {"temperature": 0.6} # used to update generation config for evaluation
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elif args.backend == "vllm":
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inference_model_config.update(
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dict(
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gpu_memory_utilization=0.7,
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enforce_eager=True,
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enable_chunked_prefill=True,
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max_model_len=args.max_new_tokens + args.max_prompt_tokens,
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tensor_parallel_size=args.producer_tensor_parallel_size,
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)
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)
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generate_config.update(
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dict(
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max_tokens=args.max_new_tokens, # max new tokens
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ignore_eos=True if args.reward_type == "think_answer_tags" else False,
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include_stop_str_in_output=True,
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stop=["</answer>"] if args.reward_type == "think_answer_tags" else None,
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)
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)
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eval_generation_config = {"temperature": 0.6} # used to update generation config for evaluation
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else:
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raise ValueError(f"Unsupported backend: {args.backend}")
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if args.algo == "GRPO":
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# Default Settings
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grpo_config = {
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"lr": args.learning_rate,
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"train_microbatch_size": args.train_microbatch_size,
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"beta": args.kl_coeff, # KL penalty coefficient
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"loss_variation": "sample_level",
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"reward_fn_type": args.reward_type,
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"max_length": args.max_new_tokens + args.max_prompt_tokens,
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"max_new_tokens": args.max_new_tokens,
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"response_format_tags": (
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{
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"think_start": {"text": "<think>", "num_occur": 1},
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"think_end": {"text": "</think>", "num_occur": 1},
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"answer_start": {"text": "<answer>", "num_occur": 1},
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"answer_end": {"text": "</answer>", "num_occur": 1},
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}
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if args.reward_type == "think_answer_tags"
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else None
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),
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}
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elif args.algo == "DAPO":
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# DAPO variant settings
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grpo_config = {
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"filter_range": [0.01, 0.99], # only filter out all zero batch and all one batch
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"lr": args.learning_rate,
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"train_microbatch_size": args.train_microbatch_size,
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"dynamic_batching": True,
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"clip_eps_low": 0.2,
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"clip_eps_high": 0.28,
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"skip_threshold": 20.0,
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"beta": 0, # no KL penalty for DAPO
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"loss_variation": "token_level",
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"soft_over_length_punishment": True,
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"max_length": args.max_new_tokens + args.max_prompt_tokens,
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"max_new_tokens": args.max_new_tokens,
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"cache_length": min(1024, int(args.max_new_tokens / 4)),
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"filter_truncated_response": True,
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"reward_fn_type": args.reward_type,
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"response_format_tags": (
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{
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"think_start": {"text": "<think>", "num_occur": 1},
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"think_end": {"text": "</think>", "num_occur": 1},
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"answer_start": {"text": "<answer>", "num_occur": 1},
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"answer_end": {"text": "</answer>", "num_occur": 1},
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}
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if args.reward_type == "think_answer_tags"
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else None
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),
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}
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else:
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raise ValueError(f"Unsupported algorithm: {args.algo}")
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if args.system_prompt is None:
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# Default system prompt
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args.system_prompt = DEFAUT_SYSTEM_PROMPT[args.reward_type]
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launch_distributed(
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num_producers=args.num_inferencer,
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num_proc_per_producer=inference_model_config.get("tensor_parallel_size", args.producer_tensor_parallel_size),
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num_consumer_procs=args.num_trainers,
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num_episodes=args.num_episodes,
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inference_batch_size=args.inference_batch_size,
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inference_microbatch_size=args.inference_microbatch_size,
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train_batch_size=args.train_batch_size,
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train_minibatch_size=args.train_minibatch_size,
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train_dataset_config={
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"path": args.dataset,
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"max_length": args.max_prompt_tokens,
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"system_prompt": args.system_prompt,
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},
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inference_model_config=inference_model_config,
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generate_config=generate_config,
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num_generations=args.num_generations,
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train_model_config=train_model_config,
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grpo_config=grpo_config,
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plugin_config={
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"tp_size": args.tensor_parallel_size,
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"pp_size": args.pipeline_parallel_size,
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"microbatch_size": max(
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1, args.train_microbatch_size // args.pipeline_parallel_size
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), # microbatch size should be set to train_microbatch_size // pp_size
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"zero_stage": args.zero_stage,
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"max_norm": 1.0,
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}, # for pp, tp
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inference_backend=args.backend,
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master_addr="localhost",
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master_port=args.master_port,
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core_algo=args.algo,
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project_name=args.project,
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save_interval=args.save_interval,
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save_dir=os.path.join(args.save_dir, args.project.replace(" ", "_")),
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eval_dataset_config=(
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{
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k: {"path": v, "max_length": args.max_prompt_tokens, "system_prompt": args.system_prompt}
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for k, v in json.loads(args.eval_dataset).items()
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}
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if args.eval_dataset
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else None
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),
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eval_interval=args.eval_interval,
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eval_save_dir=os.path.join(args.eval_save_dir, args.project.replace(" ", "_")),
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eval_generation_config=eval_generation_config,
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log_rollout_interval=20,
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rollout_save_dir=args.rollout_save_dir,
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enable_profiling=args.enable_profiling,
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n_behind=args.n_behind,
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)
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