Upload seamless_communication/cli/m4t/finetune/dist_utils.py with huggingface_hub
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seamless_communication/cli/m4t/finetune/dist_utils.py
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# Copyright (c) Meta Platforms, Inc. and affiliates
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# All rights reserved.
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#
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# This source code is licensed under the license found in the
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# MIT_LICENSE file in the root directory of this source tree.
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import logging
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import os
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from datetime import timedelta
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from typing import List
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import torch
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import torch.distributed as dist
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import torch.multiprocessing
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logger = logging.getLogger(__name__)
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def is_dist_initialized() -> bool:
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if not dist.is_available():
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return False
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if not dist.is_initialized():
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return False
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return True
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def get_rank() -> int:
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if not is_dist_initialized():
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return 0
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return dist.get_rank()
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def get_local_rank() -> int:
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if not is_dist_initialized():
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return 0
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return int(os.environ["LOCAL_RANK"])
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def get_world_size() -> int:
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if not is_dist_initialized():
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return 1
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return dist.get_world_size()
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def is_main_process() -> bool:
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return get_rank() == 0
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def init_distributed(loggers: List[logging.Logger]) -> None:
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"""Initializes the distributed backend"""
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torch.multiprocessing.set_start_method("spawn")
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if "RANK" not in os.environ:
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logger.error(
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"Cannot init disributed context, as environment varaibles are not set."
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)
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return
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rank = int(os.environ["RANK"])
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world_size = int(os.environ["WORLD_SIZE"])
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local_rank = int(os.environ["LOCAL_RANK"])
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logger.info(
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f"Rank={rank} local rank={local_rank}, world_size={world_size}, is_master={rank == 0}"
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)
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dist.init_process_group(
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backend="nccl",
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init_method="env://",
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world_size=world_size,
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rank=rank,
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timeout=timedelta(seconds=180),
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)
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logger.info(f"Setting cuda:{local_rank} as main device")
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if not is_main_process():
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for to_mute in loggers:
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to_mute.setLevel(logging.ERROR)
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torch.cuda.set_device(local_rank)
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dist.barrier()
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