/*
* Copyright 2015 Goldman Sachs.
*
* 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 com.gs.collections.impl.jmh;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import com.gs.collections.impl.jmh.runner.AbstractJMHTestRunner;
import com.gs.collections.impl.list.Interval;
import com.gs.collections.impl.list.mutable.FastList;
import org.junit.Assert;
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.annotations.TearDown;
@State(Scope.Thread)
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.SECONDS)
public class NoneSatisfyTest extends AbstractJMHTestRunner
{
private static final int SIZE = 1_000_000;
private static final int BATCH_SIZE = 10_000;
private final List<Integer> integersJDK = new ArrayList<>(Interval.oneTo(SIZE));
private final FastList<Integer> integersGSC = new FastList<>(Interval.oneTo(SIZE));
private ExecutorService executorService;
@Setup
public void setUp()
{
this.executorService = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
}
@TearDown
public void tearDown() throws InterruptedException
{
this.executorService.shutdownNow();
this.executorService.awaitTermination(1L, TimeUnit.SECONDS);
}
@Benchmark
public void short_circuit_middle_serial_lazy_jdk()
{
Assert.assertFalse(this.integersJDK.stream().noneMatch(each -> each > SIZE / 2));
}
@Benchmark
public void short_circuit_middle_serial_lazy_streams_gsc()
{
Assert.assertFalse(this.integersGSC.stream().noneMatch(each -> each > SIZE / 2));
}
@Benchmark
public void process_none_serial_lazy_jdk()
{
Assert.assertTrue(this.integersJDK.stream().noneMatch(each -> each < 0));
}
@Benchmark
public void process_none_serial_lazy_streams_gsc()
{
Assert.assertTrue(this.integersGSC.stream().noneMatch(each -> each < 0));
}
@Benchmark
public void short_circuit_middle_serial_eager_gsc()
{
Assert.assertFalse(this.integersGSC.noneSatisfy(each -> each > SIZE / 2));
}
@Benchmark
public void process_none_serial_eager_gsc()
{
Assert.assertTrue(this.integersGSC.noneSatisfy(each -> each < 0));
}
@Benchmark
public void short_circuit_middle_serial_lazy_gsc()
{
Assert.assertFalse(this.integersGSC.asLazy().noneSatisfy(each -> each > SIZE / 2));
}
@Benchmark
public void process_none_serial_lazy_gsc()
{
Assert.assertTrue(this.integersGSC.asLazy().noneSatisfy(each -> each < 0));
}
@Benchmark
public void short_circuit_middle_parallel_lazy_jdk()
{
Assert.assertFalse(this.integersJDK.parallelStream().noneMatch(each -> each == SIZE / 2 - 1));
}
@Benchmark
public void process_all_parallel_lazy_jdk()
{
Assert.assertTrue(this.integersJDK.parallelStream().noneMatch(each -> each < 0));
}
@Benchmark
public void short_circuit_middle_parallel_lazy_gsc()
{
Assert.assertFalse(this.integersGSC.asParallel(this.executorService, BATCH_SIZE).noneSatisfy(each -> each == SIZE / 2 - 1));
}
@Benchmark
public void process_all_parallel_lazy_gsc()
{
Assert.assertTrue(this.integersGSC.asParallel(this.executorService, BATCH_SIZE).noneSatisfy(each -> each < 0));
}
}