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Add barriers after init_process_group() for all recipes #5475

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Merged
merged 2 commits into from
Feb 24, 2022
Merged

Add barriers after init_process_group() for all recipes #5475

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dfaa726
Add barrier() after init_process_group()
datumbox Feb 23, 2022
de22c07
Merge branch 'main' into references/distr_barrier_after_init
datumbox Feb 24, 2022
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1 change: 1 addition & 0 deletions references/classification/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -274,6 +274,7 @@ def init_distributed_mode(args):
torch.distributed.init_process_group(
backend=args.dist_backend, init_method=args.dist_url, world_size=args.world_size, rank=args.rank
)
torch.distributed.barrier()
setup_for_distributed(args.rank == 0)


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1 change: 1 addition & 0 deletions references/optical_flow/utils.py
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Expand Up @@ -267,6 +267,7 @@ def setup_ddp(args):
world_size=args.world_size,
init_method=args.dist_url,
)
torch.distributed.barrier()


def reduce_across_processes(val):
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1 change: 1 addition & 0 deletions references/segmentation/utils.py
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Expand Up @@ -291,4 +291,5 @@ def init_distributed_mode(args):
torch.distributed.init_process_group(
backend=args.dist_backend, init_method=args.dist_url, world_size=args.world_size, rank=args.rank
)
torch.distributed.barrier()
setup_for_distributed(args.rank == 0)
1 change: 1 addition & 0 deletions references/video_classification/utils.py
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Expand Up @@ -250,4 +250,5 @@ def init_distributed_mode(args):
torch.distributed.init_process_group(
backend=args.dist_backend, init_method=args.dist_url, world_size=args.world_size, rank=args.rank
)
torch.distributed.barrier()
setup_for_distributed(args.rank == 0)