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Ortmodule override torch.manual_seed() #8131

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Merged
SherlockNoMad merged 2 commits into from
Jun 24, 2021
Merged

Ortmodule override torch.manual_seed() #8131

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Ortmodule override torch.manual_seed()
SherlockNoMad Jun 23, 2021
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address comments
SherlockNoMad Jun 24, 2021
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20 changes: 20 additions & 0 deletions orttraining/orttraining/python/training/ortmodule/__init__.py
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Expand Up @@ -58,5 +58,25 @@
from ._custom_autograd_function import enable_custom_autograd_support
enable_custom_autograd_support()

# Initalized ORT's random seed with pytorch's initial seed
# Initalized ORT's random seed with pytorch's current seed,
# in case user has set pytorch seed before importing ORTModule
import sys
from onnxruntime import set_seed
set_seed((torch.initial_seed() % sys.maxsize))

# Override torch.manual_seed and torch.cuda.manual_seed
def override_torch_manual_seed(seed):
set_seed(seed % sys.maxsize)
return torch_manual_seed(seed)
torch_manual_seed = torch.manual_seed
torch.manual_seed = override_torch_manual_seed
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def override_torch_cuda_manual_seed(seed):
set_seed(seed % sys.maxsize)
return torch_cuda_manual_seed(seed)
torch_cuda_manual_seed = torch.cuda.manual_seed
torch.cuda.manual_seed = override_torch_cuda_manual_seed

# ORTModule must be loaded only after all validation passes
from .ortmodule import ORTModule