SwapMicroBenchmark.java revision 2362
2362N/A * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * This is not a regression test, but a micro-benchmark. 0N/A * To exercise swap, run with filter=LITTLE_ENDIAN on sparc, 0N/A * filter=BIG_ENDIAN on x86. 0N/A * I have run this as follows: 0N/A * @author Martin Buchholz 0N/A * Runs each job for long enough that all the runtime compilers 0N/A * have had plenty of time to warm up, i.e. get around to 0N/A * compiling everything worth compiling. 0N/A * Returns array of average times per job per run. 0N/A // Print out absolute and relative times, calibrated against first job 0N/A // Arrays.copyOf not available in JDK 5 0N/A * Usage: [iterations=N] [size=N] [filter=REGEXP] 0N/A new Job(
"swap char BIG_ENDIAN") {
0N/A new Job(
"swap char LITTLE_ENDIAN") {
0N/A new Job(
"swap short BIG_ENDIAN") {
0N/A new Job(
"swap short LITTLE_ENDIAN") {
0N/A new Job(
"swap int BIG_ENDIAN") {
0N/A new Job(
"swap int LITTLE_ENDIAN") {
0N/A new Job(
"swap long BIG_ENDIAN") {
0N/A new Job(
"swap long LITTLE_ENDIAN") {