org.deeplearning4j.arbiter.DL4JConfiguration 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.arbiter;
import lombok.AllArgsConstructor;
import lombok.Data;
import org.deeplearning4j.arbiter.optimize.serde.jackson.JsonMapper;
import org.deeplearning4j.arbiter.optimize.serde.jackson.YamlMapper;
import org.deeplearning4j.earlystopping.EarlyStoppingConfiguration;
import org.deeplearning4j.nn.conf.MultiLayerConfiguration;
import org.nd4j.shade.jackson.core.JsonProcessingException;
import org.nd4j.shade.jackson.databind.annotation.JsonSerialize;
import java.io.Serializable;
/**
* DL4JConfiguration: simple configuration method that contains the following:
* - MultiLayerConfiguration
* - Early stopping settings, OR number of epochs
* Note: if early stopping configuration is absent, a fixed number of epochs (default: 1) will be used.
* If both early stopping and number of epochs is present: early stopping will be used.
*/
@AllArgsConstructor
@Data
public class DL4JConfiguration implements Serializable {
@JsonSerialize
private MultiLayerConfiguration multiLayerConfiguration;
@JsonSerialize
private EarlyStoppingConfiguration earlyStoppingConfiguration;
@JsonSerialize
private Integer numEpochs;
/**
* Yaml mapping
* @return
*/
public String toYaml() {
try {
return YamlMapper.getMapper().writeValueAsString(this);
} catch (JsonProcessingException e) {
throw new RuntimeException(e);
}
}
/**
* Json mapping
* @return
*/
public String toJson() {
try {
return JsonMapper.getMapper().writeValueAsString(this);
} catch (JsonProcessingException e) {
throw new RuntimeException(e);
}
}
}