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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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81
test/micro/org/openjdk/bench/java/lang/StringHttp.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.lang;
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.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.infra.Blackhole;
import java.util.concurrent.TimeUnit;
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Thread)
public class StringHttp {
private byte[] httpRequest;
private String[] httpResponse;
private byte[] buf;
@Setup
public void setup() {
buf = new byte[4080];
httpRequest = "GET /foo/bar/baz HTTP/1.1\nHost: foo.com\n".getBytes();
httpResponse = new String[]{"Date: 4/20/2003 10:21:31", "Last-Modified: 4/15/2003 10:21:31",
"Content-Length: 1234", "", "foo bar baz foo bar baz foo bar baz foo bar baz foo bar baz",
"foo bar baz foo bar baz foo bar baz foo bar baz foo bar baz",
"foo bar baz foo bar baz foo bar baz foo bar baz foo bar baz",
"foo bar baz foo bar baz foo bar baz foo bar baz foo bar baz",
"foo bar baz foo bar baz foo bar baz foo bar baz foo bar baz"};
}
@Benchmark
public void parseRequest(Blackhole bh) {
bh.consume(new String(httpRequest, 0, 3));
bh.consume(new String(httpRequest, 5, 11));
bh.consume(new String(httpRequest, 17, 8));
bh.consume(new String(httpRequest, 32, 7));
}
@Benchmark
public int bufferResponse() {
int pos = 0;
int n = httpResponse.length;
for (String s : httpResponse) {
byte[] b = s.getBytes();
int len = b.length;
System.arraycopy(b, 0, buf, pos, len);
pos += len;
buf[pos++] = '\n';
}
return n;
}
}