org.nd4j.linalg.benchmark.TimeOperations Maven / Gradle / Ivy
package org.nd4j.linalg.benchmark;
import org.apache.commons.lang3.time.StopWatch;
import org.apache.commons.math3.stat.descriptive.SummaryStatistics;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.factory.Nd4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Times matrix ops
*
* @author Adam Gibson
*/
public class TimeOperations implements Runnable {
private static Logger log = LoggerFactory.getLogger(TimeOperations.class);
private INDArray testing;
private int numTimesRun = 1;
private StopWatch watch = new StopWatch();
private INDArray other;
public TimeOperations(INDArray n) {
this(n,1);
}
public TimeOperations(INDArray n,int numTimesRun) {
this.testing = n;
this.other = Nd4j.ones(n.shape());
this.numTimesRun = numTimesRun;
}
public void benchMarkScalarMuli() {
System.out.println("Scalar multiplication took " + runNTimes(new Runnable() {
@Override
public void run() {
testing.mul(1);
}
}).getMean() + " milliseconds");
}
public void benchMarkElementWiseMul() {
System.out.println("Element wise multiplication took " + runNTimes(new Runnable() {
@Override
public void run() {
testing.mul(other);
}
}).getMean() + " milliseconds");
}
public void benchMarkScalarAdd() {
System.out.println("Scalar addition took " + runNTimes(new Runnable() {
@Override
public void run() {
testing.add(1);
}
}).getMean() + " milliseconds");
}
public void benchMarkElementWiseAdd() {
System.out.println("Element wise addition took " + runNTimes(new Runnable() {
@Override
public void run() {
testing.add(other);
}
}).getMean() + " milliseconds");
}
public void benchmarkCreation() {
System.out.println("Benchmarking creation...");
System.out.println(runNTimes(new Runnable() {
@Override
public void run() {
Nd4j.create(new double[]{10000}, new int[]{2, 5000});
}
}).getMean() + " milliseconds");
}
public void benchmarkRavel() {
System.out.println("Benchmarking ravel...");
System.out.println(runNTimes(new Runnable() {
@Override
public void run() {
testing.ravel();
}
}).getMean() + " milliseconds");
}
public SummaryStatistics runNTimes(Runnable run) {
SummaryStatistics sum = new SummaryStatistics();
for(int i = 0; i < numTimesRun; i++) {
sum.addValue(timeOp(run));
}
return sum;
}
public long timeOp(Runnable run) {
watch.start();
run.run();
watch.stop();
long time = watch.getTime();
watch.reset();
return time;
}
@Override
public void run() {
benchmarkRavel();
benchmarkCreation();
benchMarkScalarAdd();
benchMarkElementWiseAdd();
benchMarkElementWiseMul();
benchMarkScalarMuli();
}
}