wehub-resource-sync
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
// Copyright (c) 2022 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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#include "paddle/phi/backends/cpu/cpu_context.h"
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#include "paddle/phi/common/place.h"
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#include "paddle/phi/core/enforce.h"
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// NOTE: The paddle framework should add WITH_EIGEN option to support compile
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// without eigen.
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#include "paddle/phi/core/device_context.h"
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#include "unsupported/Eigen/CXX11/Tensor"
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namespace phi {
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struct CPUContext::Impl {
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Impl() : place_(CPUPlace()) {}
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explicit Impl(const Place& place) : place_(place) {}
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~Impl() {
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if (owned_) {
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delete eigen_device_;
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}
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}
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void Init() {
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owned_ = true;
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eigen_device_ = new Eigen::DefaultDevice();
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}
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Eigen::DefaultDevice* GetEigenDevice() const {
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PADDLE_ENFORCE_NE(
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eigen_device_,
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nullptr,
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common::errors::Unavailable("the cpu eigen_device is nullptr."));
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return eigen_device_;
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}
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bool owned_{false};
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Eigen::DefaultDevice* eigen_device_{nullptr};
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Place place_;
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};
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CPUContext::CPUContext()
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: DeviceContext(), impl_(std::make_unique<CPUContext::Impl>()) {
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impl_->Init();
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}
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CPUContext::CPUContext(const Place& place)
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: DeviceContext(), impl_(std::make_unique<CPUContext::Impl>(place)) {
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impl_->Init();
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}
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CPUContext::~CPUContext() = default;
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CPUContext::CPUContext(CPUContext&&) = default; // NOLINT
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CPUContext& CPUContext::operator=(CPUContext&&) = default; // NOLINT
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Eigen::DefaultDevice* CPUContext::eigen_device() const {
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return impl_->GetEigenDevice();
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}
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const Place& CPUContext::GetPlace() const { return impl_->place_; }
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void CPUContext::SetEigenDevice(Eigen::DefaultDevice* device) {
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impl_->eigen_device_ = device;
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}
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} // namespace phi
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