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8332457: Examine startup overheads from JDK-8294961

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8229959: Convert proxy class to use constant dynamic

Reviewed-by: liach, redestad
This commit is contained in:
Adam Sotona 2024-06-05 15:33:03 +00:00
parent 326dbb1b13
commit d85b0ca5cd
9 changed files with 304 additions and 327 deletions
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82
test/micro/org/openjdk/bench/java/lang/reflect/ProxyGenBench.java Normal file
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/*
* Copyright (c) 2024, 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
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*/
package org.openjdk.bench.java.lang.reflect;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.concurrent.TimeUnit;
@BenchmarkMode(Mode.SingleShotTime)
@Fork(1)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
@Warmup(iterations = 5, time = 1)
@Measurement(iterations = 10, time = 2)
@State(Scope.Benchmark)
public class ProxyGenBench {
static final Class<?>[] INTF = new Class<?>[]{Interfaze.class};
static final IHandler HANDLER = new IHandler();
@Benchmark
public void generate100Proxies() {
for (int i = 0; i < 100; i++) {
Proxy.newProxyInstance(new ClsLoader(), INTF, HANDLER);
}
}
public interface Interfaze {
default int sum(int a, int b, int c) {
return a + b + c;
}
}
static class IHandler implements InvocationHandler {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
throw new UnsupportedOperationException();
}
}
static class ClsLoader extends ClassLoader {
public ClsLoader() {
super(Interfaze.class.getClassLoader());
}
}
public static void main(String[] args) {
new ProxyGenBench().generate100Proxies();
}
}