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 }
066
067 public static void main(String[] args) {
068 int[] multiplicationSizes = {10, 100, 1000};
069 PrintStream out = System.out;
070
071 boolean skipJava = false;
072 boolean unrecognizedOptions = false;
073
074 for (String arg : args) {
075 if (arg.startsWith("--")) {
076 int i = arg.indexOf('=');
077 String value = null;
078 if (i != -1) {
079 value = arg.substring(i + 1);
080 arg = arg.substring(0, i);
081 }
082
083 if (arg.equals("--arch-flavor")) {
084 Logger.getLogger().info("Setting arch flavor to " + value);
085 org.jblas.util.ArchFlavor.overrideArchFlavor(value);
086 } else if (arg.equals("--skip-java")) {
087 skipJava = true;
088 } else if (arg.equals("--help")) {
089 printHelp();
090 return;
091 } else if (arg.equals("--debug")) {
092 Logger.getLogger().setLevel(Logger.DEBUG);
093 } else {
094 Logger.getLogger().warning("Unrecognized option \"" + arg + "\"");
095 unrecognizedOptions = true;
096 }
097 }
098 }
099 if (unrecognizedOptions) {
100 return;
101 }
102
103 out.println(
104 "Simple benchmark for jblas");
105 out.println();
106
107 out.println(
108 "Running sanity benchmarks.");
109 out.println();
110 org.jblas.util.SanityChecks.main(args);
111 out.println();
112
113 out.println(
114 "Each benchmark will take about 5 seconds...");
115
116
117
118
119
120
121
122 for (Benchmark b : multiplicationBenchmarks) {
123 if (skipJava) {
124 if (b.getName().contains("Java")) {
125 continue;
126 }
127 }
128
129 out.println();
130 out.println("Running benchmark \"" + b.getName() + "\".");
131 for (int n : multiplicationSizes) {
132 out.printf("n = %-5d: ", n);
133 out.flush();
134
135 BenchmarkResult result = b.run(n, 5.0);
136
137 result.printResult();
138 }
139 }
140 }
141 }