scripts/zero2_auto.json

{
  "zero_optimization": {
    "stage": 2,
    "allgather_partitions": true,
    "reduce_scatter": true,
    "overlap_comm": false,
    "contiguous_gradients": true,
    "reduce_bucket_size": 5e8,
    "allgather_bucket_size": 5e8
  },
  "bf16": {"enabled": "auto"},
  "gradient_clipping": 1.0,
  "train_micro_batch_size_per_gpu": "auto",
  "gradient_accumulation_steps": "auto",
  "train_batch_size": "auto",
  "steps_per_print": 50,
  "wall_clock_breakdown": false
}