# This reference configration yaml is automatically generated via 'scripts/generate_trainer_config.sh'
# in which it invokes 'python3 scripts/print_cfg.py --cfg job ' to flatten the 'verl/trainer/config/ppo_trainer.yaml' config fields into a single file.
# Do not modify this file directly.
# The file is usually only for reference and never used.

actor_rollout_ref:
  actor:
    _target_: verl.workers.config.FSDPActorConfig
    strategy: fsdp
    ppo_mini_batch_size: 256
    ppo_micro_batch_size: null
    ppo_micro_batch_size_per_gpu: null
    use_dynamic_bsz: false
    ppo_max_token_len_per_gpu: 16384
    clip_ratio: 0.2
    clip_ratio_low: 0.2
    clip_ratio_high: 0.2
    policy_loss:
      _target_: verl.workers.config.PolicyLossConfig
      loss_mode: vanilla
      clip_cov_ratio: 0.0002
      clip_cov_lb: 1.0
      clip_cov_ub: 5.0
      kl_cov_ratio: 0.0002
      ppo_kl_coef: 0.1
    clip_ratio_c: 3.0
    loss_agg_mode: token-mean
    entropy_coeff: 0
    use_kl_loss: false
    use_torch_compile: true
    kl_loss_coef: 0.001
    kl_loss_type: low_var_kl
    ppo_epochs: 1
    shuffle: false
    checkpoint:
      _target_: verl.trainer.config.CheckpointConfig
      save_contents:
      - model
      - optimizer
      - extra
      load_contents: ${.save_contents}
      async_save: false
    optim:
      lr: 1.0e-06
      lr_warmup_steps_ratio: 0.0
      total_training_steps: -1
      weight_decay: 0.01
      lr_warmup_steps: -1
      _target_: verl.workers.config.FSDPOptimizerConfig
      min_lr_ratio: 0.0
      num_cycles: 0.5
      warmup_style: constant
    use_fused_kernels: ${oc.select:actor_rollout_ref.model.use_fused_kernels,false}
    grad_clip: 1.0
    ulysses_sequence_parallel_size: 1
    entropy_from_logits_with_chunking: false
    entropy_checkpointing: false
    fsdp_config:
      _target_: verl.workers.config.FSDPEngineConfig
      wrap_policy:
        min_num_params: 0
      param_offload: false
      optimizer_offload: false
      offload_policy: false
      reshard_after_forward: true
      fsdp_size: -1
      forward_prefetch: false
    use_remove_padding: ${oc.select:actor_rollout_ref.model.use_remove_padding,false}
  ref:
    strategy: ${actor_rollout_ref.actor.strategy}
    use_torch_compile: ${oc.select:actor_rollout_ref.actor.use_torch_compile,true}
    log_prob_micro_batch_size: null
    log_prob_micro_batch_size_per_gpu: null
    log_prob_use_dynamic_bsz: ${oc.select:actor_rollout_ref.actor.use_dynamic_bsz,false}
    log_prob_max_token_len_per_gpu: ${oc.select:actor_rollout_ref.actor.ppo_max_token_len_per_gpu,16384}
    fsdp_config:
      _target_: verl.workers.config.FSDPEngineConfig
      wrap_policy:
        min_num_params: 0
      param_offload: false
      reshard_after_forward: true
      forward_prefetch: false
    ulysses_sequence_parallel_size: ${oc.select:actor_rollout_ref.actor.ulysses_sequence_parallel_size,1}
    entropy_from_logits_with_chunking: false
    entropy_checkpointing: false
  rollout:
    name: ???
    mode: sync
    temperature: 1.0
    top_k: -1
    top_p: 1
    prompt_length: ${oc.select:data.max_prompt_length,512}
    response_length: ${oc.select:data.max_response_length,512}
    dtype: bfloat16
    gpu_memory_utilization: 0.5
    ignore_eos: false
    enforce_eager: true
    free_cache_engine: true
    tensor_model_parallel_size: 2
    max_num_batched_tokens: 8192
    max_model_len: null
    max_num_seqs: 1024
    log_prob_micro_batch_size: null
    log_prob_micro_batch_size_per_gpu: null
    log_prob_use_dynamic_bsz: ${oc.select:actor_rollout_ref.actor.use_dynamic_bsz,false}
    log_prob_max_token_len_per_gpu: ${oc.select:actor_rollout_ref.actor.ppo_max_token_len_per_gpu,16384}
    disable_log_stats: true
    do_sample: true
    'n': 1
    multi_stage_wake_up: false
    engine_kwargs:
      vllm:
        swap_space: null
        disable_mm_preprocessor_cache: false
      sglang:
        attention_backend: null
    val_kwargs:
      top_k: -1
      top_p: 1.0
      temperature: 0
      'n': 1
      do_sample: false
    multi_turn:
      enable: false
      max_assistant_turns: null
      tool_config_path: null
      max_user_turns: null
      max_parallel_calls: 1
      max_tool_response_length: 256
      tool_response_truncate_side: middle
      interaction_config_path: null
      use_inference_chat_template: false
      tokenization_sanity_check_mode: strict
      format: hermes
    calculate_log_probs: false
    agent:
      num_workers: 8
      agent_loop_config_path: null
      custom_async_server:
        path: null
        name: null
    update_weights_bucket_megabytes: 512
    trace:
      backend: null
      token2text: false
    enable_chunked_prefill: true
    load_format: dummy_dtensor
    layered_summon: false
  hybrid_engine: true
  model:
    path: ~/models/deepseek-llm-7b-chat
    custom_chat_template: null
    use_shm: false
    external_lib: null
    override_config: {}
    enable_gradient_checkpointing: true
    enable_activation_offload: false
    use_remove_padding: false
    lora_rank: 0
    lora_alpha: 16
    target_modules: all-linear
    exclude_modules: null
    use_liger: false
    use_fused_kernels: false
    fused_kernel_options:
      impl_backend: torch
    trust_remote_code: false
  profiler:
    _target_: verl.utils.profiler.ProfilerConfig
    discrete: false
    all_ranks: false
    ranks: []
trainer:
  npu_profile:
    options:
      save_path: ./profiler_data
      roles:
      - all
      level: level1
      with_memory: false
      record_shapes: false
      with_npu: true
      with_cpu: true
      with_module: false
      with_stack: false
      analysis: true
  balance_batch: true
  total_epochs: 30
  total_training_steps: null
  profile_steps: null
  controller_nsight_options:
    trace: cuda,nvtx,cublas,ucx
    cuda-memory-usage: 'true'
    cuda-graph-trace: graph
  worker_nsight_options:
    trace: cuda,nvtx,cublas,ucx
    cuda-memory-usage: 'true'
    cuda-graph-trace: graph
    capture-range: cudaProfilerApi
    capture-range-end: null
    kill: none
  project_name: verl_examples
  experiment_name: gsm8k
  logger:
  - console
  - wandb
  log_val_generations: 0
  rollout_data_dir: null
  validation_data_dir: null
  nnodes: 1
  n_gpus_per_node: 8
  save_freq: -1
  esi_redundant_time: 0
  resume_mode: auto
  resume_from_path: null
  val_before_train: true
  val_only: false
  test_freq: -1
  critic_warmup: 0
  default_hdfs_dir: null
  del_local_ckpt_after_load: false
  default_local_dir: checkpoints/${trainer.project_name}/${trainer.experiment_name}
  max_actor_ckpt_to_keep: null
  max_critic_ckpt_to_keep: null
  ray_wait_register_center_timeout: 300
  device: cuda
  use_legacy_worker_impl: auto
data:
  tokenizer: null
  use_shm: false
  train_files: ~/data/rlhf/gsm8k/train.parquet
  val_files: ~/data/rlhf/gsm8k/test.parquet
  prompt_key: prompt
  reward_fn_key: data_source
  max_prompt_length: 512
  max_response_length: 512
  train_batch_size: 1024
  val_batch_size: null
  return_raw_input_ids: false
  return_raw_chat: false
  return_full_prompt: false
  shuffle: true
  dataloader_num_workers: 8
  validation_shuffle: false
  filter_overlong_prompts: false
  filter_overlong_prompts_workers: 1
  truncation: error
  image_key: images
  video_key: videos
  trust_remote_code: false
  custom_cls:
    path: null
    name: null
  return_multi_modal_inputs: true
  sampler:
    class_path: null
    class_name: null
  datagen:
    path: null
    name: null
critic:
  _target_: verl.workers.config.FSDPCriticConfig
  rollout_n: ${oc.select:actor_rollout_ref.rollout.n,1}
  strategy: fsdp
  enable: null
  optim:
    lr: 1.0e-05
    lr_warmup_steps_ratio: 0.0
    total_training_steps: -1
    weight_decay: 0.01
    lr_warmup_steps: -1
    _target_: verl.workers.config.FSDPOptimizerConfig
    min_lr_ratio: null
    warmup_style: constant
  model:
    path: ~/models/deepseek-llm-7b-chat
    tokenizer_path: ${oc.select:actor_rollout_ref.model.path,"~/models/deepseek-llm-7b-chat"}
    override_config: {}
    external_lib: ${oc.select:actor_rollout_ref.model.external_lib,null}
    trust_remote_code: ${oc.select:actor_rollout_ref.model.trust_remote_code,false}
    _target_: verl.workers.config.FSDPCriticModelCfg
    use_shm: false
    enable_gradient_checkpointing: true
    enable_activation_offload: false
    use_remove_padding: false
    fsdp_config:
      _target_: verl.workers.config.FSDPEngineConfig
      param_offload: false
      optimizer_offload: false
      offload_policy: false
      reshard_after_forward: true
      wrap_policy:
        min_num_params: 0
      fsdp_size: -1
      forward_prefetch: false
    lora_rank: 0
    lora_alpha: 16
    target_modules: all-linear
  ppo_mini_batch_size: ${oc.select:actor_rollout_ref.actor.ppo_mini_batch_size,256}
  ppo_micro_batch_size: null
  ppo_micro_batch_size_per_gpu: ${oc.select:.ppo_micro_batch_size,null}
  use_dynamic_bsz: ${oc.select:actor_rollout_ref.actor.use_dynamic_bsz,false}
  ppo_max_token_len_per_gpu: 32768
  forward_max_token_len_per_gpu: ${.ppo_max_token_len_per_gpu}
  ppo_epochs: ${oc.select:actor_rollout_ref.actor.ppo_epochs,1}
  shuffle: ${oc.select:actor_rollout_ref.actor.shuffle,false}
  cliprange_value: 0.5
  loss_agg_mode: ${oc.select:actor_rollout_ref.actor.loss_agg_mode,token-mean}
  checkpoint:
    _target_: verl.trainer.config.CheckpointConfig
    save_contents:
    - model
    - optimizer
    - extra
    load_contents: ${.save_contents}
    async_save: false
  profiler:
    _target_: verl.utils.profiler.ProfilerConfig
    discrete: false
    all_ranks: false
    ranks: []
  forward_micro_batch_size: ${oc.select:.ppo_micro_batch_size,null}
  forward_micro_batch_size_per_gpu: ${oc.select:.ppo_micro_batch_size_per_gpu,null}
  ulysses_sequence_parallel_size: 1
  grad_clip: 1.0
reward_model:
  enable: false
  strategy: fsdp
  model:
    input_tokenizer: ${actor_rollout_ref.model.path}
    path: ~/models/FsfairX-LLaMA3-RM-v0.1
    external_lib: ${actor_rollout_ref.model.external_lib}
    trust_remote_code: false
    use_shm: false
    use_remove_padding: false
    use_fused_kernels: ${actor_rollout_ref.model.use_fused_kernels}
    fsdp_config:
      _target_: verl.workers.config.FSDPEngineConfig
      wrap_policy:
        min_num_params: 0
      param_offload: false
      reshard_after_forward: true
      fsdp_size: -1
      forward_prefetch: false
  micro_batch_size: null
  micro_batch_size_per_gpu: null
  max_length: null
  use_dynamic_bsz: ${critic.use_dynamic_bsz}
  forward_max_token_len_per_gpu: ${critic.forward_max_token_len_per_gpu}
  reward_manager: naive
  launch_reward_fn_async: false
  sandbox_fusion:
    url: null
    max_concurrent: 64
    memory_limit_mb: 1024
  profiler:
    _target_: verl.utils.profiler.ProfilerConfig
    discrete: false
    all_ranks: false
    ranks: []
  ulysses_sequence_parallel_size: 1
custom_reward_function:
  path: null
  name: compute_score
algorithm:
  _target_: verl.trainer.config.AlgoConfig
  gamma: 1.0
  lam: 1.0
  adv_estimator: gae
  norm_adv_by_std_in_grpo: true
  use_kl_in_reward: false
  kl_penalty: kl
  kl_ctrl:
    _target_: verl.trainer.config.KLControlConfig
    type: fixed
    kl_coef: 0.001
    horizon: 10000
    target_kl: 0.1
  use_pf_ppo: false
  pf_ppo:
    reweight_method: pow
    weight_pow: 2.0
ray_init:
  num_cpus: null
  timeline_json_file: null