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8061281: Microbenchmark suite build support, directory layout and sample benchmarks

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8061282: Migrate jmh-jdk-microbenchmarks into the JDK

Co-authored-by: Magnus Ihse Bursie <magnus.ihse.bursie@oracle.com>
Co-authored-by: Erik Joelsson <erik.joelsson@oracle.com>
Co-authored-by: Staffan Friberg <sfriberg@kth.se>
Reviewed-by: ecaspole, mchung, erikj, ihse
This commit is contained in:
Claes Redestad 2018-11-16 23:39:51 +01:00
parent 14b7467279
commit 7a30c97753
247 changed files with 26097 additions and 13 deletions
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124
test/micro/org/openjdk/bench/java/net/URLEncodeDecode.java Normal file
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/*
* Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package org.openjdk.bench.java.net;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.infra.Blackhole;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.Random;
import java.util.concurrent.TimeUnit;
/**
* Tests java.net.URLEncoder.encode and Decoder.decode.
*/
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@State(Scope.Thread)
public class URLEncodeDecode {
@Param("1024")
public int count;
@Param("1024")
public int maxLength;
@Param("3")
public long mySeed;
public String[] testStringsEncode;
public String[] testStringsDecode;
public String[] toStrings;
@Setup
public void setupStrings() {
char[] tokens = new char[((int) 'Z' - (int) 'A' + 1) + ((int) 'z' - (int) 'a' + 1) + ((int) '9' - (int) '1' + 1) + 5];
int n = 0;
tokens[n++] = '0';
for (int i = (int) '1'; i <= (int) '9'; i++) {
tokens[n++] = (char) i;
}
for (int i = (int) 'A'; i <= (int) 'Z'; i++) {
tokens[n++] = (char) i;
}
for (int i = (int) 'a'; i <= (int) '<'; i++) {
tokens[n++] = (char) i;
}
tokens[n++] = '-';
tokens[n++] = '_';
tokens[n++] = '.';
tokens[n++] = '*';
Random r = new Random(mySeed);
testStringsEncode = new String[count];
testStringsDecode = new String[count];
toStrings = new String[count];
for (int i = 0; i < count; i++) {
int l = r.nextInt(maxLength);
StringBuilder sb = new StringBuilder();
for (int j = 0; j < l; j++) {
int c = r.nextInt(tokens.length);
sb.append(tokens[c]);
}
testStringsEncode[i] = sb.toString();
}
for (int i = 0; i < count; i++) {
int l = r.nextInt(maxLength);
StringBuilder sb = new StringBuilder();
for (int j = 0; j < l; j++) {
int c = r.nextInt(tokens.length + 5);
if (c >= tokens.length) {
sb.append("%").append(tokens[r.nextInt(16)]).append(tokens[r.nextInt(16)]);
} else {
sb.append(tokens[c]);
}
}
testStringsDecode[i] = sb.toString();
}
}
@Benchmark
public void testEncodeUTF8(Blackhole bh) throws UnsupportedEncodingException {
for (String s : testStringsEncode) {
bh.consume(java.net.URLEncoder.encode(s, "UTF-8"));
}
}
@Benchmark
public void testDecodeUTF8(Blackhole bh) throws UnsupportedEncodingException {
for (String s : testStringsDecode) {
bh.consume(URLDecoder.decode(s, "UTF-8"));
}
}
}