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| 1 | +# Original Copyright (c), NVIDIA CORPORATION. Modifications © Amazon.com |
| 2 | + |
| 3 | +# Basic run information configs |
| 4 | +run: |
| 5 | + name: gpt-oss-120b |
| 6 | + results_dir: ${base_results_dir}/${.name} |
| 7 | + time_limit: "6-00:00:00" |
| 8 | + model_type: hf # huggingface for our recipes |
| 9 | + |
| 10 | +# Basic pytorch lightning trainer config |
| 11 | +trainer: |
| 12 | + devices: 8 |
| 13 | + num_nodes: 1 |
| 14 | + accelerator: gpu |
| 15 | + precision: bf16 |
| 16 | + max_steps: 50 |
| 17 | + log_every_n_steps: 1 |
| 18 | + val_check_interval: 1 |
| 19 | + limit_val_batches: 0 # Number of batches per each validation run, set to 0 to disable validation. |
| 20 | + |
| 21 | +# Basic pytorch lightning experiment config |
| 22 | +# Config for checkpoint/tensorboard etc |
| 23 | +exp_manager: |
| 24 | + exp_dir: null |
| 25 | + name: experiment |
| 26 | + # experiment loggers |
| 27 | + create_tensorboard_logger: False |
| 28 | + summary_writer_kwargs: {"save_dir" : "${recipes.exp_manager.exp_dir}/tensorboard"} |
| 29 | + create_mlflow_logger: False |
| 30 | + mlflow_logger_kwargs: {"tracking_uri" : "${recipes.exp_manager.exp_dir}/mlflow"} |
| 31 | + create_wandb_logger: False |
| 32 | + wandb_logger_kwargs: {"save_dir" : "${recipes.exp_manager.exp_dir}"} # wandb creates a wandb folder by default |
| 33 | + create_checkpoint_callback: True |
| 34 | + # Configs to save checkpoint with a fixed interval |
| 35 | + # Note: These config will not work with auto checkpoint mode |
| 36 | + checkpoint_callback_params: |
| 37 | + # Set save_top_k = 0 to disable sharded checkpointing |
| 38 | + save_top_k: 0 |
| 39 | + every_n_train_steps: 10 |
| 40 | + monitor: "step" |
| 41 | + mode: "max" |
| 42 | + save_last: False |
| 43 | + checkpoint_dir: ${recipes.exp_manager.exp_dir}/checkpoints/ |
| 44 | + resume_from_checkpoint: null |
| 45 | + # Enable auto_checkpoint to automatically calculate the checkpoint interval and resume from checkpoint |
| 46 | + auto_checkpoint: |
| 47 | + enabled: False |
| 48 | + export_full_model: |
| 49 | + # Set every_n_train_steps = 0 to disable full checkpointing |
| 50 | + every_n_train_steps: 0 |
| 51 | + save_last: True |
| 52 | + |
| 53 | +################# Predefined configs ########################## |
| 54 | +use_smp_model: False # Enable sagemaker model parallelism |
| 55 | +distributed_backend: nccl |
| 56 | + |
| 57 | +# Model training configs |
| 58 | +model: |
| 59 | + model_type: gpt_oss |
| 60 | + # Base configs |
| 61 | + train_batch_size: 1 # Batch sizes > 1 are not currently supported |
| 62 | + val_batch_size: 1 |
| 63 | + seed: 12345 |
| 64 | + grad_clip: 1.0 |
| 65 | + log_reduced_training_loss: True |
| 66 | + |
| 67 | + # Memory saving / distributed training configs |
| 68 | + tensor_model_parallel_degree: 1 |
| 69 | + expert_model_parallel_degree: 1 |
| 70 | + context_parallel_degree: 1 |
| 71 | + moe: False |
| 72 | + activation_checkpointing: True |
| 73 | + activation_loading_horizon: 2 |
| 74 | + delayed_param: True |
| 75 | + offload_activations: False |
| 76 | + |
| 77 | + # FSDP Configs |
| 78 | + sharding_strategy: hybrid_shard |
| 79 | + forward_prefetch: True |
| 80 | + shard_degree: 8 |
| 81 | + backward_fetch_policy: backward_pre |
| 82 | + auto_wrap_policy: transformer_auto_wrap_policy |
| 83 | + limit_all_gathers: true |
| 84 | + use_orig_param: False |
| 85 | + |
| 86 | + # FP8 config |
| 87 | + fp8: False |
| 88 | + fp8_amax_history_len: 1024 |
| 89 | + fp8_amax_compute_algo: max |
| 90 | + |
| 91 | + # Model architecture |
| 92 | + max_context_width: 4096 |
| 93 | + max_position_embeddings: ${.max_context_width} # 131072 |
| 94 | + num_hidden_layers: 36 |
| 95 | + hidden_size: 2880 |
| 96 | + num_attention_heads: 64 |
| 97 | + intermediate_size: 2880 |
| 98 | + initializer_range: 0.02 |
| 99 | + layernorm_epsilon: 1e-5 |
| 100 | + vocab_size: 201088 |
| 101 | + num_key_value_heads: 8 |
| 102 | + rms_norm_eps: 1e-05 |
| 103 | + use_flash_attention: False # Use the gpt-oss-patch container for kernels-community/vllm-flash-attn3 |
| 104 | + sliding_window: 128 |
| 105 | + use_sliding_window: True |
| 106 | + num_experts_per_tok: 4 |
| 107 | + num_local_experts: 128 |
| 108 | + moe_load_balancing: 'sinkhorn' |
| 109 | + global_token_shuffle: True |
| 110 | + moe_all_to_all_dispatcher: False |
| 111 | + rope_theta: 150000.0 |
| 112 | + tie_word_embeddings: False |
| 113 | + |
| 114 | + # Finetuning config |
| 115 | + do_finetune: True |
| 116 | + # The path to resume from, needs to be HF compatible |
| 117 | + hf_model_name_or_path: null |
| 118 | + hf_access_token: null |
| 119 | + # PEFT config |
| 120 | + peft: |
| 121 | + peft_type: lora |
| 122 | + rank: 16 |
| 123 | + alpha: 32 |
| 124 | + dropout: 0.1 |
| 125 | + target_modules: ["q_proj", "k_proj", "v_proj", "o_proj"] |
| 126 | + |
| 127 | + precision: ${recipes.trainer.precision} |
| 128 | + ################# End of Predefined configs ########################## |
| 129 | + |
| 130 | + # Learning rate and optimizer configs |
| 131 | + lr_decay_iters: ${recipes.trainer.max_steps} |
| 132 | + # Optimizer |
| 133 | + optim: |
| 134 | + name: adamw |
| 135 | + lr: 2e-4 |
| 136 | + weight_decay: 0.01 |
| 137 | + betas: |
| 138 | + - 0.9 |
| 139 | + - 0.95 |
| 140 | + sched: |
| 141 | + name: CosineAnnealing |
| 142 | + warmup_steps: 0 |
| 143 | + constant_steps: 0 |
| 144 | + min_lr: 2e-6 |
| 145 | + |
| 146 | + # Data configs |
| 147 | + data: |
| 148 | + train_dir: null |
| 149 | + val_dir: null |
| 150 | + dataset_type: hf |
| 151 | + use_synthetic_data: False |
| 152 | + |
| 153 | + # Profiling configs |
| 154 | + # Viztracer profiling options |
| 155 | + viztracer: |
| 156 | + enabled: false |
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