36 lines
1.1 KiB
C++
36 lines
1.1 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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#pragma once
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#include "paddle/phi/backends/device_manager.h"
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namespace phi {
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class DeviceGuard {
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public:
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explicit inline DeviceGuard(const Place& place)
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: cur_id(place.GetDeviceId()), dev_type_(place.GetDeviceType()) {
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DeviceManager::SetDevice(dev_type_, cur_id);
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}
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DeviceGuard(const DeviceGuard& o) = delete;
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DeviceGuard& operator=(const DeviceGuard& o) = delete;
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private:
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size_t cur_id;
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std::string dev_type_;
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};
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} // namespace phi
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