{ "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": "auto", "reduce_bucket_size": "auto", "stage3_prefetch_bucket_size": "auto", "stage3_param_persistence_threshold": "auto", "stage3_max_live_parameters": "auto", "stage3_max_reuse_distance": "auto", "stage3_gather_16bit_weights_on_model_save": true }, "optimizer": { "type": "AdamW", "params": { "lr": "auto", "betas": "auto", "eps": "auto", "weight_decay": "auto" } }, "train_batch_size": "auto", "micro_batch_size_per_gpu": "auto", "gradient_accumulation_steps": "auto" }