jd_train/ds_config_zero3.json

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{
"train_micro_batch_size_per_gpu": 1,
"gradient_accumulation_steps": 1,
"zero_optimization": {
"stage": 3,
"overlap_comm": true,
"contiguous_gradients": true,
"reduce_bucket_size": 80000000,
"stage3_prefetch_bucket_size": 40000000,
"stage3_param_persistence_threshold": 0,
"offload_optimizer": { "device": "none" },
"offload_param": { "device": "none" },
"stage3_gather_16bit_weights_on_model_save": false,
"zero_allow_untested_optimizer": true
},
"bf16": { "enabled": true },
"fp16": { "enabled": false },
"gradient_clipping": 1.0,
"wall_clock_breakdown": false
}