cache/ds_z2_offload_config.json

{
  "train_batch_size": "auto",
  "train_micro_batch_size_per_gpu": "auto",
  "gradient_accumulation_steps": "auto",
  "gradient_clipping": "auto",
  "zero_allow_untested_optimizer": true,
  "fp16": {
    "enabled": "auto",
    "loss_scale": 0,
    "loss_scale_window": 1000,
    "initial_scale_power": 16,
    "hysteresis": 2,
    "min_loss_scale": 1
  },
  "bf16": {
    "enabled": "auto"
  },
  "zero_optimization": {
    "stage": 2,
    "allgather_partitions": true,
    "allgather_bucket_size": 500000000.0,
    "overlap_comm": true,
    "reduce_scatter": true,
    "reduce_bucket_size": 500000000.0,
    "contiguous_gradients": true,
    "round_robin_gradients": true,
    "offload_optimizer": {
      "device": "cpu",
      "pin_memory": true
    }
  }
}