org.nd4j.linalg.api.concurrency.BasicAffinityManager Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* 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.
*
* 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
******************************************************************************/
package org.nd4j.linalg.api.concurrency;
import org.nd4j.linalg.api.buffer.DataBuffer;
import org.nd4j.linalg.api.ndarray.INDArray;
/**
* @author [email protected]
*/
public abstract class BasicAffinityManager implements AffinityManager {
@Override
public Integer getDeviceForCurrentThread() {
return 0;
}
@Override
public Integer getDeviceForThread(long threadId) {
return 0;
}
@Override
public Integer getDeviceForArray(INDArray array) {
return 0;
}
@Override
public int getNumberOfDevices() {
return 1;
}
/**
* This method replicates given INDArray, and places it to target device.
*
* @param deviceId target deviceId
* @param array INDArray to replicate
* @return
*/
@Override
public INDArray replicateToDevice(Integer deviceId, INDArray array) {
return null;
}
/**
* This method replicates given DataBuffer, and places it to target device.
*
* @param deviceId target deviceId
* @param buffer
* @return
*/
@Override
public DataBuffer replicateToDevice(Integer deviceId, DataBuffer buffer) {
return null;
}
@Override
public void tagLocation(INDArray array, Location location) {
// no-op
}
@Override
public void tagLocation(DataBuffer buffer, Location location) {
// no-op
}
@Override
public void unsafeSetDevice(Integer deviceId) {
// no-op
}
@Override
public void ensureLocation(INDArray array, Location location) {
// no-op
}
@Override
public boolean isCrossDeviceAccessSupported() {
return true;
}
@Override
public void allowCrossDeviceAccess(boolean reallyAllow) {
// no-op
}
@Override
public Location getActiveLocation(INDArray array) {
return Location.EVERYWHERE;
}
}