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221350e3a4
Pull Request resolved: https://github.com/pytorch/pytorch/pull/132352 Approved by: https://github.com/ezyang ghstack dependencies: #132335, #132351
30 lines
604 B
Python
30 lines
604 B
Python
# Owner(s): ["module: unknown"]
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import torch
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import torch.nn as nn
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class Model(nn.Module):
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def __init__(self) -> None:
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super().__init__()
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self.linear = nn.Linear(20, 20)
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def forward(self, input):
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out = self.linear(input[:, 10:30])
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return out.sum()
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def main():
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data = torch.randn(10, 50).cuda()
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model = Model().cuda()
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optimizer = torch.optim.SGD(model.parameters(), lr=0.0001)
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for i in range(10):
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optimizer.zero_grad()
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loss = model(data)
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loss.backward()
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optimizer.step()
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if __name__ == "__main__":
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main()
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