/* ******************************************************************************
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// @author raver119@gmail.com
#ifndef LIBND4J_AFFINITYMANAGER_H
#define LIBND4J_AFFINITYMANAGER_H
#include <system/dll.h>
#include <system/pointercast.h>
#include <atomic>
#include <mutex>
namespace sd {
class ND4J_EXPORT AffinityManager {
private:
static std::atomic<int> _lastDevice;
static int _numberOfDevices;
static std::mutex _currentMutex;
static std::mutex _numberMutex;
public:
static int currentNativeDeviceId();
static int currentDeviceId();
static int numberOfDevices();
static void setCurrentDevice(int deviceId);
static void setCurrentNativeDevice(int deviceId);
};
}
#endif //DEV_TESTS_AFFINITYMANAGER_H
