Invalid JSON:
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at line 25, column 31
| { | |
| "fp16": { | |
| "enabled": "auto", | |
| "loss_scale": 0, | |
| "loss_scale_window": 1000, | |
| "initial_scale_power": 16, | |
| "hysteresis": 2, | |
| "min_loss_scale": 1 | |
| }, | |
| "bf16": { | |
| "enabled": "auto" | |
| }, | |
| "optimizer": { | |
| "type": "AdamW", | |
| "params": { | |
| "lr": "auto", | |
| "betas": "auto", | |
| "eps": "auto", | |
| "weight_decay": "auto" | |
| } | |
| }, | |
| "zero_optimization": { | |
| "stage": 3, | |
| "offload_optimizer": { | |
| "device": "cpu", // 【关键修改1】将优化器状态卸载到 CPU，节省巨大显存 | |
| "pin_memory": true | |
| }, | |
| "offload_param": { | |
| "device": "cpu", // 保持开启参数卸载 | |
| "pin_memory": true | |
| }, | |
| "overlap_comm": true, | |
| "contiguous_gradients": true, | |
| "sub_group_size": 1e9, | |
| "reduce_bucket_size": "auto", | |
| "stage3_prefetch_bucket_size": 5e7, // 【关键修改2】调小预取桶，避免一次性预取太多参数挤爆显存 (默认 auto 有时偏大) | |
| "stage3_param_persistence_threshold": 1e6, // 【关键修改3】调大这个值，不让小参数常驻显存 | |
| "stage3_max_live_parameters": 1e9, | |
| "stage3_max_reuse_distance": 1e9, | |
| "gather_16bit_weights_on_model_save": true | |
| }, | |
| "gradient_accumulation_steps": "auto", | |
| "gradient_clipping": "auto", | |
| "train_batch_size": "auto", | |
| "train_micro_batch_size_per_gpu": "auto", | |
| "steps_per_print": 100, // 方便调试，不用设那么大 | |
| "wall_clock_breakdown": false | |
| } |