// --- BEGIN LICENSE BLOCK ---
/*
* Copyright (c) 2009, Mikio L. Braun
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of the Technische Universität Berlin nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// --- END LICENSE BLOCK ---
package org.jblas;
import junit.framework.TestCase;
import static org.jblas.TicToc.*;
import static org.jblas.DoubleMatrix.*;
public class BenchmarkElementwise extends TestCase {
public void testMuli() {
int SIZE = 1000;
int ITERS = 1000000;
DoubleMatrix x = rand(SIZE);
DoubleMatrix y = rand(SIZE);
DoubleMatrix z = zeros(SIZE);
tic("muli():");
for (int i = 0; i < ITERS; i++)
x.muli(y, z);
toc();
double xa[]= new double[SIZE];
double ya[]= new double[SIZE];
double za[]= new double[SIZE];
tic("muli (array):");
for (int i = 0; i < ITERS; i++)
for (int j = 0; j < SIZE; j++)
za[j] = xa[j] * ya[j];
toc();
/*tic("muli (double buffer:");
for (int i = 0; i < ITERS; i++)
for (int j = 0; j < SIZE; j++)
z.data.put(j, x.data.get(j) * y.data.get(j));
toc();*/
tic("divi():");
for (int i = 0; i < ITERS/10; i++)
x.divi(y, z);
toc();
tic("addi():");
for (int i = 0; i < ITERS; i++)
x.addi(y, z);
toc();
tic("addi() array:");
for (int i = 0; i < ITERS; i++)
for (int j = 0; j < SIZE; j++)
za[j] = xa[j] + ya[j];
toc();
/*tic("addi() doublebuffer:");
for (int i = 0; i < ITERS; i++)
for (int j = 0; j < SIZE; j++)
z.data.put(j, x.data.get(j) + y.data.get(j));
toc();*/
tic("subi():");
for (int i = 0; i < ITERS; i++)
x.subi(y, z);
toc();
}
}