benchmarks/matrix-multiplication/src/test/java/org/apidesign/benchmark/matrixmul/MatrixTest.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Tue, 22 Jan 2013 13:56:27 +0100
changeset 520 b03a2d2b1fdc
parent 381 70d15cf323ba
child 537 7dbd0a097e44
permissions -rw-r--r--
Fixing the matrix benchmark to not throw away the result and really do ten thousand iterations
     1 /**
     2  * Back 2 Browser Bytecode Translator
     3  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     4  *
     5  * This program is free software: you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License as published by
     7  * the Free Software Foundation, version 2 of the License.
     8  *
     9  * This program is distributed in the hope that it will be useful,
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12  * GNU General Public License for more details.
    13  *
    14  * You should have received a copy of the GNU General Public License
    15  * along with this program. Look for COPYING file in the top folder.
    16  * If not, see http://opensource.org/licenses/GPL-2.0.
    17  */
    18 package org.apidesign.benchmark.matrixmul;
    19 
    20 import java.io.IOException;
    21 import org.apidesign.bck2brwsr.vmtest.Compare;
    22 import org.apidesign.bck2brwsr.vmtest.VMTest;
    23 import org.testng.annotations.Factory;
    24 
    25 /**
    26  *
    27  * @author Jaroslav Tulach <jtulach@netbeans.org>
    28  */
    29 public class MatrixTest {
    30     public MatrixTest() {
    31     }
    32 
    33     @Compare public String tenThousandIterations() throws IOException {
    34     
    35         Matrix m1 = new Matrix(5);
    36         Matrix m2 = new Matrix(5);
    37         
    38         m1.generateData();
    39         m2.generateData();
    40         
    41         Matrix res = null;
    42         for (int i = 0; i < 10000; i++) {
    43             res = m1.multiply(m2);
    44             m1 = res;
    45         }
    46         
    47         StringBuilder sb = new StringBuilder();
    48         res.printOn(sb);
    49         return sb.toString();
    50     }
    51     
    52     @Factory
    53     public static Object[] create() {
    54         return VMTest.create(MatrixTest.class);
    55     }
    56 }