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{
# Parallelism is not yet supported for Mamba
"pipe_parallel_size": 0,
"model_parallel_size": 1,
"num_layers": 48,
"hidden_size": 1536,
"num_attention_heads": 12, # ignored when using mamba
"seq_length": 2048,
"max_position_embeddings": 2048,
"output_layer_parallelism": "column",
"norm": "rmsnorm",
"rms_norm_epsilon": 1.0e-5,
"attention_config": [[["mamba"], 48]],
"mamba_selective_scan_fusion": true,
"mamba_causal_conv_fusion": true,
"mamba_inner_func_fusion": true, # supersedes scan or conv fusion
"activation": "silu",
# init methods
"init_method": "small_init",
"output_layer_init_method": "single_residual_scaled_normal",
# optimizer settings
"optimizer": {
"type": "Adam",
"params": {
"lr": 0.00025,
"betas": [0.9, 0.999],
"eps": 1.0e-8,
}
},
"min_lr": 0.000025,
# for all zero_optimization options, see https://www.deepspeed.ai/docs/config-json/#zero-optimizations-for-fp16-training
"zero_optimization": {
"stage": 1,
"allgather_partitions": True,
"allgather_bucket_size": 500000000,
"overlap_comm": True,
"reduce_scatter": True,
"reduce_bucket_size": 500000000,
"contiguous_gradients": True,
},
# batch / data settings
"train_micro_batch_size_per_gpu": 4,
"data_impl": "mmap",
# activation checkpointing
"checkpoint_activations": true,
"checkpoint_num_layers": 1,
"partition_activations": true,
"synchronize_each_layer": true,
# regularization
"gradient_clipping": 1.0,
"weight_decay": 0.1,
"hidden_dropout": 0,
"attention_dropout": 0,
# precision settings
"fp16": {
"fp16": true,
"enabled": true,
"loss_scale": 0,
"loss_scale_window": 1000,
"hysteresis": 2,
"min_loss_scale": 1
},
# misc. training settings
"train_iters": 320000,
"lr_decay_iters": 320000,
"distributed_backend": "nccl",
"lr_decay_style": "cosine",
"warmup": 0.01,
"checkpoint_factor": 10000,
"eval_interval": 1000,
"eval_iters": 10,
# logging
"log_interval": 100,
"steps_per_print": 10,
"keep_last_n_checkpoints": 4,
"wall_clock_breakdown": true,
}
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