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Explicitly set ddp device

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Ramtin Gharleghi 2023-02-04 15:07:36 +11:00 committed by GitHub
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train.py
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@ -85,6 +85,7 @@ if ddp:
ddp_rank = int(os.environ['RANK'])
ddp_local_rank = int(os.environ['LOCAL_RANK'])
device = f'cuda:{ddp_local_rank}'
torch.cuda.set_device(device)
master_process = ddp_rank == 0 # this process will do logging, checkpointing etc.
seed_offset = ddp_rank # each process gets a different seed
else: