001 // --- BEGIN LICENSE BLOCK ---
002 /*
003 * Copyright (c) 2009, Mikio L. Braun
004 * All rights reserved.
005 *
006 * Redistribution and use in source and binary forms, with or without
007 * modification, are permitted provided that the following conditions are
008 * met:
009 *
010 * * Redistributions of source code must retain the above copyright
011 * notice, this list of conditions and the following disclaimer.
012 *
013 * * Redistributions in binary form must reproduce the above
014 * copyright notice, this list of conditions and the following
015 * disclaimer in the documentation and/or other materials provided
016 * with the distribution.
017 *
018 * * Neither the name of the Technische Universit?t Berlin nor the
019 * names of its contributors may be used to endorse or promote
020 * products derived from this software without specific prior
021 * written permission.
022 *
023 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
024 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
025 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
026 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
027 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
028 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
029 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
030 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
031 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
032 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
033 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
034 */
035 // --- END LICENSE BLOCK ---
036 package org.jblas.benchmark;
037
038 import java.io.PrintStream;
039 import org.jblas.util.Logger;
040
041 /**
042 * A simple command-line style benchmarking program.
043 *
044 * <p>Benchmarks matrix-matrix multiplication, and compares to a
045 * pure Java implementation</p>
046 *
047 * @author Mikio L. Braun
048 */
049 public class Main {
050
051 static Benchmark[] multiplicationBenchmarks = {
052 new JavaDoubleMultiplicationBenchmark(),
053 new JavaFloatMultiplicationBenchmark(),
054 new ATLASDoubleMultiplicationBenchmark(),
055 new ATLASFloatMultiplicationBenchmark(),};
056
057 public static void printHelp() {
058 System.out.printf("Usage: benchmark [opts]%n"
059 + "%n"
060 + "with options:%n"
061 + "%n"
062 + " --arch-flavor=value overriding arch flavor (e.g. --arch-flavor=sse2)%n"
063 + " --skip-java don't run java benchmarks%n"
064 + " --help show this help%n"
065 + " --debug set config levels to debug%n");
066 }
067
068 public static void main(String[] args) {
069 int[] multiplicationSizes = {10, 100, 1000};
070 PrintStream out = System.out;
071
072 boolean skipJava = false;
073 boolean unrecognizedOptions = false;
074
075 for (String arg : args) {
076 if (arg.startsWith("--")) {
077 int i = arg.indexOf('=');
078 String value = null;
079 if (i != -1) {
080 value = arg.substring(i + 1);
081 arg = arg.substring(0, i);
082 }
083
084 if (arg.equals("--arch-flavor")) {
085 Logger.getLogger().info("Setting arch flavor to " + value);
086 org.jblas.util.ArchFlavor.overrideArchFlavor(value);
087 } else if (arg.equals("--skip-java")) {
088 skipJava = true;
089 } else if (arg.equals("--help")) {
090 printHelp();
091 return;
092 } else if (arg.equals("--debug")) {
093 Logger.getLogger().setLevel(Logger.DEBUG);
094 } else {
095 Logger.getLogger().warning("Unrecognized option \"" + arg + "\"");
096 unrecognizedOptions = true;
097 }
098 }
099 }
100 if (unrecognizedOptions) {
101 return;
102 }
103
104 out.println("Simple benchmark for jblas");
105 out.println();
106
107 out.println("Running sanity benchmarks.");
108 out.println();
109 org.jblas.util.SanityChecks.main(args);
110 out.println();
111
112 out.println("Each benchmark will take about 5 seconds...");
113
114 for (Benchmark b : multiplicationBenchmarks) {
115 if (skipJava) {
116 if (b.getName().contains("Java")) {
117 continue;
118 }
119 }
120
121 out.println();
122 out.println("Running benchmark \"" + b.getName() + "\".");
123 for (int n : multiplicationSizes) {
124 out.printf("n = %-5d: ", n);
125 out.flush();
126
127 BenchmarkResult result = b.run(n, 5.0);
128
129 result.printResult();
130 }
131 }
132 }
133 }