wehub-resource-sync
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
// Copyright (c) 2026 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <ATen/core/Tensor.h>
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namespace at {
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inline at::Tensor detach(const at::Tensor& self) {
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// Create a new Tensor that shares data but has no autograd history
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auto inner = self._PD_GetInner();
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PaddleTensor detached_tensor(inner.impl());
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detached_tensor.set_name(inner.name());
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detached_tensor.set_autograd_meta(nullptr);
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return Tensor(detached_tensor);
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}
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} // namespace at
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namespace at {
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inline at::Tensor Tensor::detach() const { return at::detach(*this); }
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inline at::Tensor& Tensor::detach_() const {
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// In-place version: clear autograd meta of current tensor
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PaddleTensor& inner = const_cast<PaddleTensor&>(tensor_);
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inner.set_autograd_meta(nullptr);
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return const_cast<at::Tensor&>(*this);
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}
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} // namespace at
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