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fix: switch backend to 'gloo' when running on windows #112

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fix: switch backend to 'gloo' when running on windows #112

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48ada30
fix: switch backend to 'gloo' when running on windows
ophirhan Jun 8, 2023
560c2da
use the new backend
ophirhan Jun 8, 2023
fc6b9f1
use it
ophirhan Jun 8, 2023
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4 changes: 3 additions & 1 deletion tools/train.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
# Copyright (C) Alibaba Group Holding Limited. All rights reserved.
import argparse
import copy
import os

import torch
from loguru import logger
Expand Down Expand Up @@ -45,7 +46,8 @@ def main():
args = make_parser().parse_args()

torch.cuda.set_device(args.local_rank)
torch.distributed.init_process_group(backend='nccl', init_method='env://')
backend = 'nccl' if os.name == 'posix' else 'gloo'
torch.distributed.init_process_group(backend=backend, init_method='env://')
synchronize()
if args.tea_config is not None:
tea_config = parse_config(args.tea_config)
Expand Down