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zero_config.json
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zero_config.json
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{
"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": "Adam",
"params": {
"lr": "auto",
"betas": "auto",
"eps": "auto",
"weight_decay": "auto",
"adam_w_mode": true
}
},
"zero_optimization": {
"stage": 2,
"allgather_partitions": true,
"allgather_bucket_size": 5e7,
"overlap_comm": true,
"reduce_scatter": true,
"reduce_bucket_size": 5e7,
"contiguous_gradients": true,
"offload_optimizer": {
"device": "cpu",
"pin_memory": true,
"buffer_count": 4,
"fast_init": false
}
},
"train_micro_batch_size_per_gpu": "auto",
"gradient_accumulation_steps": "auto",
"wall_clock_breakdown": false
}