mirror of https://github.com/llvm/torch-mlir
35 lines
909 B
Python
35 lines
909 B
Python
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# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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# Also available under a BSD-style license. See LICENSE.
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import torch
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from torch_mlir.eager_mode.torch_mlir_tensor import TorchMLIRTensor
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torch_a = torch.randn(5, requires_grad=True)
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torch_b = torch.randn(5, requires_grad=True)
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torch_c = torch_a + torch_b
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torch_d = torch_a * torch_b
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torch_e = torch_c / torch_d
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torch_loss = torch_e.sum()
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print("PyTorch loss: ", torch_loss)
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torch_loss.backward()
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print("PyTorch grad a: ", torch_a.grad)
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print("PyTorch grad b: ", torch_b.grad)
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a = TorchMLIRTensor(torch_a)
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b = TorchMLIRTensor(torch_b)
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c = a + b
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d = a * b
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e = c / d
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loss = e.sum()
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print("Torch-MLIR loss: ", loss)
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loss.backward()
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print("Torch-MLIR grad a: ", a.grad)
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print("Torch-MLIR grad b: ", b.grad)
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