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Java example source code file (ModelAndGradient.java)
This example Java source code file (ModelAndGradient.java) is included in the alvinalexander.com
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Learn more about this Java project at its project page.
The ModelAndGradient.java Java example source code
package org.deeplearning4j.ui.weights;
import org.deeplearning4j.nn.api.Model;
import org.nd4j.linalg.api.ndarray.INDArray;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author Adam Gibson
*/
public class ModelAndGradient implements Serializable {
private long lastUpdateTime = -1L;
private Map<String,INDArray> parameters;
private Map<String,INDArray> gradients;
private double score;
private List<Double> scores = new ArrayList<>();
private List<Map> updateMagnitudes = new ArrayList<>();
private List<Map> paramMagnitudes = new ArrayList<>();
private List<String> layerNames = new ArrayList<>();
private String path;
public ModelAndGradient() {
parameters = new HashMap<>();
gradients = new HashMap<>();
}
public ModelAndGradient(Model model) {
model.computeGradientAndScore();
this.gradients = model.gradient().gradientForVariable();
this.parameters = model.paramTable();
this.score = model.score();
}
public void setLastUpdateTime(long lastUpdateTime){
this.lastUpdateTime = lastUpdateTime;
}
public long getLastUpdateTime(){
return lastUpdateTime;
}
public double getScore() {
return score;
}
public void setScore(double score) {
this.score = score;
}
public Map<String, INDArray> getParameters() {
return parameters;
}
public void setParameters(Map<String, INDArray> parameters) {
this.parameters = parameters;
}
public Map<String, INDArray> getGradients() {
return gradients;
}
public void setGradients(Map<String, INDArray> gradients) {
this.gradients = gradients;
}
public void setScores(List<Double> scores){
this.scores = scores;
}
public void setPath(String path){
this.path = path;
}
public String getPath(){
return path;
}
public List<Double> getScores(){
return scores;
}
public void setUpdateMagnitudes(List<Map> updateMagnitudes ){
this.updateMagnitudes = updateMagnitudes;
}
public List<Map> getUpdateMagnitudes(){
return updateMagnitudes;
}
public void setParamMagnitudes(List<Map> paramMagnitudes){
this.paramMagnitudes = paramMagnitudes;
}
public List<Map> getParamMagnitudes(){
return paramMagnitudes;
}
public void setLayerNames(List<String> layerNames){
this.layerNames = layerNames;
}
public List<String> getLayerNames(){
return layerNames;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ModelAndGradient that = (ModelAndGradient) o;
if (Double.compare(that.score, score) != 0) return false;
if (parameters != null ? !parameters.equals(that.parameters) : that.parameters != null) return false;
return !(gradients != null ? !gradients.equals(that.gradients) : that.gradients != null);
}
@Override
public int hashCode() {
int result;
long temp;
result = parameters != null ? parameters.hashCode() : 0;
result = 31 * result + (gradients != null ? gradients.hashCode() : 0);
temp = Double.doubleToLongBits(score);
result = 31 * result + (int) (temp ^ (temp >>> 32));
return result;
}
}
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