{ "fp16": { "enabled": "auto", "loss_scale": 0, "loss_scale_window": 1000, "initial_scale_power": 16, "hysteresis": 2, "min_loss_scale": 1 }, "zero_optimization": { "stage": 3, "offload_optimizer": { "device": "cpu", "pin_memory": true }, "offload_param": { "device": "cpu", "pin_memory": true }, "overlap_comm": true, "contiguous_gradients": true, "stage3_max_live_parameters" : 1e9, "stage3_max_reuse_distance" : 1e9, "stage3_prefetch_bucket_size" : 5e8, "stage3_param_persistence_threshold" : 1e6, "sub_group_size" : 1e12, "stage3_gather_16bit_weights_on_model_save": true }, "train_batch_size": "auto", "train_micro_batch_size_per_gpu": "auto", "gradient_accumulation_steps": "auto" }