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| { | |
| "bf16": { "enabled": true }, | |
| "zero_optimization": { | |
| "stage": 3, | |
| "overlap_comm": false, | |
| "contiguous_gradients": true, | |
| /* 下面三项是按 40GB 显存收紧的桶大小与持久化阈值 */ | |
| "reduce_bucket_size": 200000000, | |
| "stage3_prefetch_bucket_size": 50000000, | |
| "stage3_param_persistence_threshold": 1000000, | |
| "stage3_gather_16bit_weights_on_model_save": true | |
| }, | |
| "aio": { | |
| "block_size": 1048576, | |
| "queue_depth": 8, | |
| "single_submit": false, | |
| "overlap_events": true, | |
| "thread_count": 1 | |
| }, | |
| /* 交由命令行的 per_device_train_batch_size / gradient_accumulation_steps 控制 */ | |
| "train_micro_batch_size_per_gpu": "auto", | |
| "gradient_accumulation_steps": "auto", | |
| "zero_force_ds_cpu_optimizer": false, | |
| "zero_allow_untested_optimizer": true, | |
| "wall_clock_breakdown": false | |
| } | |