{ "bf16": { "enabled": true }, "train_micro_batch_size_per_gpu": 1, "train_batch_size": "auto", "gradient_accumulation_steps": "auto", "dump_state": true, "zero_optimization": { "stage": 2, "overlap_comm": true, "contiguous_gradients": true, "sub_group_size": 1e9, "reduce_bucket_size": 5e8 } }