/*
* Copyright 2012-2014 Institut National des Sciences Appliquées de Lyon (INSA-Lyon)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gololang.microbenchmarks.dispatch;
import org.gololang.microbenchmarks.support.CodeLoader;
import org.openjdk.jmh.annotations.*;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.util.HashMap;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import static java.lang.invoke.MethodType.genericMethodType;
import static java.lang.invoke.MethodType.methodType;
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public class GoloDispatchMicroBenchmark {
/* ................................................................................................................ */
public static class Plop {
private static final Random random = new Random();
public Integer plop() {
return random.nextInt();
}
}
/* ................................................................................................................ */
public static Object dispatchPlop(Plop plop) {
return plop.plop();
}
/* ................................................................................................................ */
public static Object dispatchHashMap(HashMap<String, Object> map, String handleKey, String argKey) throws Throwable {
MethodHandle handle = (MethodHandle) map.get(handleKey);
return handle.invokeExact((Object) map.get(argKey));
}
public static Object callNextInt(Object obj) {
return ((Random) obj).nextInt();
}
/* ................................................................................................................ */
@State(Scope.Thread)
static public class JavaState {
MethodHandle plopDispatcherHandle;
Plop plop;
@Setup(Level.Trial)
public void prepare() {
plop = new Plop();
try {
plopDispatcherHandle = MethodHandles.lookup().findStatic(GoloDispatchMicroBenchmark.class, "dispatchPlop", methodType(Object.class, Plop.class));
} catch (NoSuchMethodException | IllegalAccessException e) {
throw new AssertionError(e);
}
}
}
@State(Scope.Thread)
static public class JavaHashMapState {
MethodHandle dispatcher;
HashMap<String, Object> map;
@Setup(Level.Trial)
public void prepare() {
map = new HashMap<>();
map.put("random", new Random());
try {
MethodHandles.Lookup lookup = MethodHandles.lookup();
dispatcher = lookup.findStatic(GoloDispatchMicroBenchmark.class, "dispatchHashMap", methodType(Object.class, HashMap.class, String.class, String.class));
MethodHandle callNextIntHandle = lookup.findStatic(GoloDispatchMicroBenchmark.class, "callNextInt", genericMethodType(1));
map.put("plop", callNextIntHandle);
} catch (NoSuchMethodException | IllegalAccessException e) {
throw new AssertionError(e);
}
}
}
@State(Scope.Thread)
static public class GoloMethodState {
MethodHandle target;
Object plop;
@Setup(Level.Trial)
public void prepare() {
plop = new Plop();
target = new CodeLoader().golo("golo-dispatch", "dispatchPlop", 1);
}
}
@State(Scope.Thread)
static public class GoloStructWithAugmentationState {
MethodHandle target;
Object plop;
@Setup(Level.Trial)
public void prepare() {
try {
plop = new CodeLoader().golo("golo-dispatch", "struct_plop", 0).invoke();
Class<?> module = plop.getClass().getClassLoader().loadClass("GoloDispatch");
target = MethodHandles.lookup().findStatic(module, "dispatchPlop", genericMethodType(1));
} catch (Throwable throwable) {
throw new AssertionError(throwable);
}
}
}
@State(Scope.Thread)
static public class GoloDynamicObjectState {
MethodHandle target;
Object plop;
Object statefulPlop;
@Setup(Level.Trial)
public void prepare() {
try {
plop = new CodeLoader().golo("golo-dispatch", "dynamic_plop", 0).invoke();
statefulPlop = new CodeLoader().golo("golo-dispatch", "dynamic_plop_with_internal_state", 0).invoke();
target = new CodeLoader().golo("golo-dispatch", "dispatchPlop", 1);
} catch (Throwable throwable) {
throw new AssertionError(throwable);
}
}
}
@State(Scope.Thread)
static public class GroovyState {
MethodHandle target;
Object plop;
Object concretePlop;
@Setup(Level.Trial)
public void prepare() {
try {
plop = new CodeLoader().groovy("Expando", "provide", genericMethodType(0)).invoke();
concretePlop = new CodeLoader().groovy("Expando", "provide_concrete_class", genericMethodType(0)).invoke();
target = new CodeLoader().groovy("Expando", "dispatch", genericMethodType(1));
} catch (Throwable throwable) {
throw new AssertionError(throwable);
}
}
}
@State(Scope.Thread)
static public class GroovyIndyState {
MethodHandle target;
Object plop;
Object concretePlop;
@Setup(Level.Trial)
public void prepare() {
try {
plop = new CodeLoader().groovy_indy("Expando", "provide", genericMethodType(0)).invoke();
concretePlop = new CodeLoader().groovy_indy("Expando", "provide_concrete_class", genericMethodType(0)).invoke();
target = new CodeLoader().groovy_indy("Expando", "dispatch", genericMethodType(1));
} catch (Throwable throwable) {
throw new AssertionError(throwable);
}
}
}
/* ................................................................................................................ */
@Benchmark
public Object baseline_java_virtual_call(JavaState javaState) throws Throwable {
return javaState.plopDispatcherHandle.invokeExact(javaState.plop);
}
@Benchmark
public Object baseline_java_hashmap_malleable_object(JavaHashMapState state) throws Throwable {
return state.dispatcher.invokeExact(state.map, "plop", "random");
}
@Benchmark
public Object golo_method_call(GoloMethodState goloState) throws Throwable {
return goloState.target.invokeExact(goloState.plop);
}
@Benchmark
public Object golo_struct_with_augmentation_call(GoloStructWithAugmentationState state) throws Throwable {
return state.target.invokeExact(state.plop);
}
@Benchmark
public Object golo_dynamic_object_random_in_closure(GoloDynamicObjectState state) throws Throwable {
return state.target.invokeExact(state.plop);
}
@Benchmark
public Object golo_dynamic_object_random_in_property(GoloDynamicObjectState state) throws Throwable {
return state.target.invokeExact(state.statefulPlop);
}
@Benchmark
public Object baseline_groovy_concrete_class(GroovyState groovyState) throws Throwable {
return groovyState.target.invokeExact(groovyState.concretePlop);
}
@Benchmark
public Object groovy_expando(GroovyState groovyState) throws Throwable {
return groovyState.target.invokeExact(groovyState.plop);
}
@Benchmark
public Object baseline_groovy_indy_concrete_class(GroovyIndyState groovyState) throws Throwable {
return groovyState.target.invokeExact(groovyState.concretePlop);
}
@Benchmark
public Object groovy_indy_expando(GroovyIndyState groovyState) throws Throwable {
return groovyState.target.invokeExact(groovyState.plop);
}
/* ................................................................................................................ */
}