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75 lines
2.5 KiB
Python
75 lines
2.5 KiB
Python
def generate_ds_config(ds_bf16, train_batch_size, nvme_offload_dir):
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'''
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DeepSpeed configuration
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https://huggingface.co/docs/transformers/main_classes/deepspeed
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'''
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if nvme_offload_dir:
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ds_config = {
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"fp16": {
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"enabled": not ds_bf16,
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},
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"bf16": {
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"enabled": ds_bf16,
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},
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"zero_optimization": {
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"stage": 3,
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"offload_param": {
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"device": "nvme",
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"nvme_path": nvme_offload_dir,
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"pin_memory": True,
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"buffer_count": 5,
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"buffer_size": 1e9,
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"max_in_cpu": 1e9
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},
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"overlap_comm": True,
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"reduce_bucket_size": "auto",
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"contiguous_gradients": True,
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"sub_group_size": 1e8,
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"stage3_prefetch_bucket_size": "auto",
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"stage3_param_persistence_threshold": "auto",
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"stage3_max_live_parameters": "auto",
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"stage3_max_reuse_distance": "auto",
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},
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"aio": {
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"block_size": 262144,
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"queue_depth": 32,
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"thread_count": 1,
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"single_submit": False,
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"overlap_events": True
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},
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"steps_per_print": 2000,
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"train_batch_size": train_batch_size,
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"train_micro_batch_size_per_gpu": 1,
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"wall_clock_breakdown": False
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}
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else:
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ds_config = {
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"fp16": {
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"enabled": not ds_bf16,
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},
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"bf16": {
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"enabled": ds_bf16,
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},
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"zero_optimization": {
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"stage": 3,
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"offload_param": {
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"device": "cpu",
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"pin_memory": True
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},
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"overlap_comm": True,
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"contiguous_gradients": True,
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"reduce_bucket_size": "auto",
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"stage3_prefetch_bucket_size": "auto",
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"stage3_param_persistence_threshold": "auto",
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"stage3_max_live_parameters": "auto",
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"stage3_max_reuse_distance": "auto",
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},
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"steps_per_print": 2000,
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"train_batch_size": train_batch_size,
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"train_micro_batch_size_per_gpu": 1,
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"wall_clock_breakdown": False
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}
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return ds_config
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