47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author raver119@gmail.com
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//
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#ifndef LIBND4J_AFFINITYMANAGER_H
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#define LIBND4J_AFFINITYMANAGER_H
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#include <dll.h>
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#include <pointercast.h>
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#include <atomic>
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#include <mutex>
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namespace nd4j {
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class ND4J_EXPORT AffinityManager {
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private:
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static std::atomic<int> _lastDevice;
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static int _numberOfDevices;
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static std::mutex _currentMutex;
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static std::mutex _numberMutex;
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public:
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static int currentNativeDeviceId();
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static int currentDeviceId();
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static int numberOfDevices();
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static void setCurrentDevice(int deviceId);
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static void setCurrentNativeDevice(int deviceId);
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};
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}
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#endif //DEV_TESTS_AFFINITYMANAGER_H
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