org.deeplearning4j.optimize.solvers.accumulation.LocalHandler 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.deeplearning4j.optimize.solvers.accumulation;
import lombok.NonNull;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.factory.Nd4j;
/**
* MessageHandler implementation suited for ParallelWrapper running on single box
*
* PLEASE NOTE: This handler does NOT provide any network connectivity.
*
* @author [email protected]
*/
public class LocalHandler implements MessageHandler {
protected transient GradientsAccumulator accumulator;
public LocalHandler() {
//
}
@Override
public void initialize(@NonNull GradientsAccumulator accumulator) {
this.accumulator = accumulator;
}
@Override
public boolean broadcastUpdates(INDArray updates, int iterationNumber, int epochNumber) {
// we just loop back data immediately
accumulator.receiveUpdate(updates);
updates.assign(0.0);
Nd4j.getExecutioner().commit();
return true;
}
}