org.nd4j.linalg.api.concurrency.BasicAffinityManager Maven / Gradle / Ivy

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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(Thread thread) {
        return 0;
    }

    @Override
    public Integer getDeviceForThread(long threadId) {
        return 0;
    }

    @Override
    public void attachThreadToDevice(Thread thread, Integer deviceId) {
        // no-op
    }

    @Override
    public void attachThreadToDevice(long threadId, Integer deviceId) {
        // no-op
    }

    @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;
    }
}