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{
"zero_optimization": {
"stage": 2,
"offload_optimizer": {
"device": "cpu",
"pin_memory": true
},
"allgather_partitions": true,
"allgather_bucket_size": 2e8,
"overlap_comm": true,
"reduce_scatter": true,
"reduce_bucket_size": 2e8,
"contiguous_gradients": true
},
"activation_checkpointing": {
"partition_activations": true,
"contiguous_memory_optimization": true,
"cpu_checkpointing": true,
"number_checkpoints": 2
},
"bf16": {
"enabled": true
},
"optimizer": {
"type": "AdamW",
"params": {
"lr": "auto",
"betas": [0.9, 0.999],
"eps": 1e-8,
"weight_decay": "auto"
}
},
"gradient_clipping": 1.0,
"train_micro_batch_size_per_gpu": 1,
"train_batch_size": 4,
"steps_per_print": 1,
"wall_clock_breakdown": false,
"zero_allow_untested_optimizer": true,
"zero_force_ds_cpu_optimizer": false,
"dump_state": true,
"verbose": true,
"gradient_accumulation_steps": 2
} |