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ListIterationTest.java
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ListIterationTest.java
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/*
* Copyright (c) 2024 Goldman Sachs and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompany this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.eclipse.collections.impl.jmh.list;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import org.eclipse.collections.api.list.ImmutableList;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.impl.jmh.runner.AbstractJMHTestRunner;
import org.eclipse.collections.impl.list.Interval;
import org.junit.After;
import org.junit.Before;
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.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.TearDown;
import org.openjdk.jmh.annotations.Warmup;
@State(Scope.Thread)
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.SECONDS)
@Fork(2)
@Warmup(iterations = 10, time = 2)
@Measurement(iterations = 10, time = 2)
public class ListIterationTest
{
private static final int SIZE = 1_000_000;
private static final int BATCH_SIZE = 10_000;
private final MutableList<Integer> ecMutable = Lists.mutable.withAll(Interval.zeroTo(SIZE));
private final ImmutableList<Integer> ecImmutable = Lists.immutable.withAll(Interval.zeroTo(SIZE));
private ExecutorService executorService;
@Before
@Setup
public void setUp()
{
this.executorService = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
}
@After
@TearDown
public void tearDown() throws InterruptedException
{
this.executorService.shutdownNow();
this.executorService.awaitTermination(1L, TimeUnit.SECONDS);
}
@Benchmark
public void serial_mutable_ec()
{
int count = this.ecMutable
.asLazy()
.select(each -> each % 10_000 != 0)
.collect(String::valueOf)
.collect(Integer::valueOf)
.count(each -> (each + 1) % 10_000 != 0);
if (count != 999_800)
{
throw new AssertionError();
}
}
@Benchmark
public void serial_immutable_ec()
{
int count = this.ecImmutable
.asLazy()
.select(each -> each % 10_000 != 0)
.collect(String::valueOf)
.collect(Integer::valueOf)
.count(each -> (each + 1) % 10_000 != 0);
if (count != 999_800)
{
throw new AssertionError();
}
}
@Benchmark
public void parallel_mutable_ec()
{
int count = this.ecMutable
.asParallel(this.executorService, BATCH_SIZE)
.select(each -> each % 10_000 != 0)
.collect(String::valueOf)
.collect(Integer::valueOf)
.count(each -> (each + 1) % 10_000 != 0);
if (count != 999_800)
{
throw new AssertionError();
}
}
@Benchmark
public void parallel_immutable_ec()
{
int count = this.ecImmutable
.asParallel(this.executorService, BATCH_SIZE)
.select(each -> each % 10_000 != 0)
.collect(String::valueOf)
.collect(Integer::valueOf)
.count(each -> (each + 1) % 10_000 != 0);
if (count != 999_800)
{
throw new AssertionError();
}
}
@Benchmark
public void serial_mutable_scala()
{
ScalaListIterationTest.serial_mutable_scala();
}
@Benchmark
public void parallel_mutable_scala()
{
ScalaListIterationTest.parallel_mutable_scala();
}
}