{
  "_comment": "DeepSpeed ZeRO-3 配置 · M0 全参训练（Qwen2.5-7B · 5-01 校准 / 8×A100 80G or 8×H100 80G）",
  "_arch_ref": "HLDP-ARCH-002 · factory/training/README.md",
  "_owner": "铸渊 ICE-GL-ZY001 · 2026-05-01",

  "train_micro_batch_size_per_gpu": 1,
  "train_batch_size": "auto",
  "gradient_accumulation_steps": 16,
  "gradient_clipping": 1.0,
  "steps_per_print": 10,

  "bf16": {
    "enabled": true
  },

  "zero_optimization": {
    "stage": 3,
    "offload_optimizer": {
      "device": "cpu",
      "pin_memory": true
    },
    "offload_param": {
      "device": "cpu",
      "pin_memory": true
    },
    "overlap_comm": true,
    "contiguous_gradients": true,
    "sub_group_size": 1000000000,
    "reduce_bucket_size": "auto",
    "stage3_prefetch_bucket_size": "auto",
    "stage3_param_persistence_threshold": "auto",
    "stage3_max_live_parameters": 1000000000,
    "stage3_max_reuse_distance": 1000000000,
    "stage3_gather_16bit_weights_on_model_save": true
  },

  "optimizer": {
    "type": "AdamW",
    "params": {
      "lr": 2e-5,
      "betas": [0.9, 0.95],
      "eps": 1e-8,
      "weight_decay": 0.1
    }
  },

  "scheduler": {
    "type": "WarmupDecayLR",
    "params": {
      "warmup_min_lr": 0,
      "warmup_max_lr": 2e-5,
      "warmup_num_steps": "auto",
      "total_num_steps": "auto"
    }
  },

  "activation_checkpointing": {
    "partition_activations": true,
    "cpu_checkpointing": false,
    "contiguous_memory_optimization": true,
    "number_checkpoints": null,
    "synchronize_checkpoint_boundary": false,
    "profile": false
  },

  "wall_clock_breakdown": false
}