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train_ppo.sh
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export CUDA_VISIBLE_DEVICES=0,1,2,3,4,5,6,7
export DATA_DIR='data/nq_search'
WAND_PROJECT='Search-R1'
export BASE_MODEL='meta-llama/Llama-3.2-3B'
export EXPERIMENT_NAME=nq-search-r1-ppo-llama3.2-3b-em
# export BASE_MODEL='meta-llama/Llama-3.2-3B-Instruct'
# export EXPERIMENT_NAME=nq-search-r1-ppo-llama3.2-3b-it-em
# export BASE_MODEL='meta-llama/Llama-3.1-8B'
# export EXPERIMENT_NAME=nq-search-r1-ppo-llama3.1-8b-em
# export BASE_MODEL='meta-llama/Llama-3.1-8B-Instruct'
# export EXPERIMENT_NAME=nq-search-r1-ppo-llama3.1-8b-it-em
# export BASE_MODEL='Qwen/Qwen2.5-3B'
# export EXPERIMENT_NAME=nq-search-r1-ppo-qwen2.5-3b-em
# export BASE_MODEL='Qwen/Qwen2.5-3B-Instruct'
# export EXPERIMENT_NAME=nq-search-r1-ppo-qwen2.5-3b-it-em
# export BASE_MODEL='Qwen/Qwen2.5-7B'
# export EXPERIMENT_NAME=nq-search-r1-ppo-qwen2.5-7b-em
# export BASE_MODEL='Qwen/Qwen2.5-7B-Instruct'
# export EXPERIMENT_NAME=nq-search-r1-ppo-qwen2.5-7b-it-em
# set -x
export VLLM_ATTENTION_BACKEND=XFORMERS # vllm + qwen2-7b with flash_attn has some issues
# max_prompt_length = (config['training']['max_start_length'] + config['training']['max_response_length'] * (config['training']['max_turns'] - 1) + config['training']['max_obs_length'] * config['training']['max_turns'])
PYTHONUNBUFFERED=1 python3 -m verl.trainer.main_ppo \
data.train_files=$DATA_DIR/train.parquet \
data.val_files=$DATA_DIR/test.parquet \
data.train_data_num=null \
data.val_data_num=null \
data.train_batch_size=512 \
data.val_batch_size=256 \
data.max_prompt_length=4096 \
data.max_response_length=500 \
data.max_start_length=2048 \
data.max_obs_length=500 \
data.shuffle_train_dataloader=True \
algorithm.adv_estimator=gae \
actor_rollout_ref.model.path=$BASE_MODEL \
actor_rollout_ref.actor.optim.lr=1e-6 \
actor_rollout_ref.model.enable_gradient_checkpointing=true \
actor_rollout_ref.model.use_remove_padding=True \
actor_rollout_ref.actor.optim.lr_warmup_steps_ratio=0.95 \
actor_rollout_ref.actor.ppo_mini_batch_size=256 \
actor_rollout_ref.actor.ppo_micro_batch_size=64 \
actor_rollout_ref.actor.fsdp_config.param_offload=true \
actor_rollout_ref.actor.fsdp_config.grad_offload=true \
actor_rollout_ref.actor.fsdp_config.optimizer_offload=true \
actor_rollout_ref.rollout.log_prob_micro_batch_size=128 \
actor_rollout_ref.rollout.tensor_model_parallel_size=1 \
actor_rollout_ref.rollout.name=vllm \
actor_rollout_ref.rollout.gpu_memory_utilization=0.6 \
actor_rollout_ref.ref.log_prob_micro_batch_size=128 \
actor_rollout_ref.ref.fsdp_config.param_offload=True \
actor_rollout_ref.rollout.n_agent=1 \
actor_rollout_ref.rollout.temperature=1 \
actor_rollout_ref.actor.state_masking=true \
critic.optim.lr=1e-5 \
critic.model.use_remove_padding=True \
critic.optim.lr_warmup_steps_ratio=0.05 \
critic.model.path=$BASE_MODEL \
critic.model.enable_gradient_checkpointing=true \
critic.ppo_micro_batch_size=8 \
critic.model.fsdp_config.param_offload=true \
critic.model.fsdp_config.grad_offload=true \
critic.model.fsdp_config.optimizer_offload=true \
algorithm.kl_ctrl.kl_coef=0.001 \
algorithm.no_think_rl=false \
trainer.critic_warmup=0 \
trainer.logger=['wandb'] \
+trainer.val_only=false \
+trainer.val_before_train=true \
trainer.default_hdfs_dir=null \
trainer.n_gpus_per_node=8 \
trainer.nnodes=1 \
trainer.save_freq=100 \
trainer.test_freq=100 \
trainer.project_name=$WAND_PROJECT \
trainer.experiment_name=$EXPERIMENT_NAME \
trainer.total_epochs=15 \
trainer.total_training_steps=300 \
trainer.default_hdfs_dir=null \
trainer.default_local_dir=verl_checkpoints/$EXPERIMENT_NAME \
max_turns=2 \
retriever.url="http://127.0.0.1:8000/retrieve" \
retriever.topk=3 \
2>&1 | tee $EXPERIMENT_NAME.log