61 lines
2.3 KiB
Java
61 lines
2.3 KiB
Java
/*******************************************************************************
|
|
* 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.listeners;
|
|
|
|
import lombok.extern.slf4j.Slf4j;
|
|
import org.deeplearning4j.nn.api.Model;
|
|
import org.deeplearning4j.optimize.api.BaseTrainingListener;
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
import java.io.Serializable;
|
|
import java.util.Date;
|
|
import java.util.concurrent.atomic.AtomicLong;
|
|
|
|
/**
|
|
* Time Iteration Listener.
|
|
* This listener displays into INFO logs the remaining time in minutes and the date of the end of the process.
|
|
* Remaining time is estimated from the amount of time for training so far, and the total number of iterations
|
|
* specified by the user
|
|
*/
|
|
@Slf4j
|
|
public class TimeIterationListener extends BaseTrainingListener implements Serializable {
|
|
private long start;
|
|
private int iterationCount;
|
|
private AtomicLong iterationCounter = new AtomicLong(0);
|
|
|
|
/**
|
|
* Constructor
|
|
* @param iterationCount The global number of iteration for training (all epochs)
|
|
*/
|
|
public TimeIterationListener(int iterationCount) {
|
|
this.iterationCount = iterationCount;
|
|
start = System.currentTimeMillis();
|
|
}
|
|
|
|
@Override
|
|
public void iterationDone(Model model, int iteration, int epoch) {
|
|
long currentIteration = iterationCounter.incrementAndGet();
|
|
long elapsed = System.currentTimeMillis() - start;
|
|
long remaining = (iterationCount - currentIteration) * elapsed / currentIteration;
|
|
long minutes = remaining / (1000 * 60);
|
|
Date date = new Date(start + elapsed + remaining);
|
|
log.info("Remaining time : " + minutes + "mn - End expected : " + date.toString());
|
|
}
|
|
|
|
}
|