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 Universität 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 --- 036package org.jblas.benchmark; 037 038import java.io.PrintStream; 039import 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 */ 049public class Main { 050 051 static Benchmark[] multiplicationBenchmarks = { 052 new JavaDoubleMultiplicationBenchmark(), 053 new JavaFloatMultiplicationBenchmark(), 054 new NativeDoubleMultiplicationBenchmark(), 055 new NativeFloatMultiplicationBenchmark(),}; 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 + "%njblas version " + org.jblas.Info.VERSION + "%n"); 067 } 068 069 public static void main(String[] args) { 070 int[] multiplicationSizes = {10, 100, 1000}; 071 PrintStream out = System.out; 072 073 boolean skipJava = false; 074 boolean unrecognizedOptions = false; 075 076 Logger log = Logger.getLogger(); 077 078 log.info("jblas version is " + org.jblas.Info.VERSION); 079 080 for (String arg : args) { 081 if (arg.startsWith("--")) { 082 int i = arg.indexOf('='); 083 String value = null; 084 if (i != -1) { 085 value = arg.substring(i + 1); 086 arg = arg.substring(0, i); 087 } 088 089 if (arg.equals("--arch-flavor")) { 090 Logger.getLogger().info("Setting arch flavor to " + value); 091 org.jblas.util.ArchFlavor.overrideArchFlavor(value); 092 } else if (arg.equals("--skip-java")) { 093 skipJava = true; 094 } else if (arg.equals("--help")) { 095 printHelp(); 096 return; 097 } else if (arg.equals("--debug")) { 098 Logger.getLogger().setLevel(Logger.DEBUG); 099 } else { 100 Logger.getLogger().warning("Unrecognized option \"" + arg + "\""); 101 unrecognizedOptions = true; 102 } 103 } 104 } 105 if (unrecognizedOptions) { 106 return; 107 } 108 109 out.println("Simple benchmark for jblas"); 110 out.println(); 111 112 out.println("Running sanity benchmarks."); 113 out.println(); 114 org.jblas.util.SanityChecks.main(args); 115 out.println(); 116 117 out.println("Each benchmark will take about 5 seconds..."); 118 119 for (Benchmark b : multiplicationBenchmarks) { 120 if (skipJava) { 121 if (b.getName().contains("Java")) { 122 continue; 123 } 124 } 125 126 out.println(); 127 out.println("Running benchmark \"" + b.getName() + "\"."); 128 for (int n : multiplicationSizes) { 129 out.printf("n = %-5d: ", n); 130 out.flush(); 131 132 BenchmarkResult result = b.run(n, 5.0); 133 134 result.printResult(); 135 } 136 } 137 } 138}