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Set device_id to suppress pytorch warning.

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This commit is contained in:
Shangyan Zhou 2025-06-18 14:43:38 +08:00
parent 77f97f79bd
commit bf4a4a21d2
1 changed files with 11 additions and 6 deletions
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17
tests/utils.py
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@ -14,12 +14,17 @@ def init_dist(local_rank: int, num_local_ranks: int):
node_rank = int(os.getenv('RANK', 0))
assert (num_local_ranks < 8 and num_nodes == 1) or num_local_ranks == 8
dist.init_process_group(
backend='nccl',
init_method=f'tcp://{ip}:{port}',
world_size=num_nodes * num_local_ranks,
rank=node_rank * num_local_ranks + local_rank
)
import inspect
sig = inspect.signature(dist.init_process_group)
params = {
'backend': 'nccl',
'init_method': f'tcp://{ip}:{port}',
'world_size': num_nodes * num_local_ranks,
'rank': node_rank * num_local_ranks + local_rank,
}
if 'device_id' in sig.parameters:
params['device_id'] = torch.device(f"cuda:{local_rank}")
dist.init_process_group(**params)
torch.set_default_dtype(torch.bfloat16)
torch.set_default_device('cuda')
torch.cuda.set_device(local_rank)