{
  "train_micro_batch_size_per_gpu": "auto",
  "gradient_accumulation_steps": "auto",

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

  "zero_optimization": {
    "stage": 2,
    "offload_optimizer": { "device": "none" },
    "offload_param":     { "device": "none" },
    "overlap_comm": true,
    "contiguous_gradients": true,
    "reduce_scatter": true,
    "stage3_prefetch_bucket_size": 536870912,
    "reduce_bucket_size": 536870912
  },

  "wall_clock_breakdown": false,
  "flops_profiler": { "enabled": false }
}