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ObservablePerfBaseline.java
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82 lines (68 loc) · 2.46 KB
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/**
* Copyright 2014 Netflix, Inc.
*
* 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 rx;
import java.util.Iterator;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import rx.jmh.InputWithIncrementingInteger;
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.SECONDS)
public class ObservablePerfBaseline {
@State(Scope.Thread)
public static class Input extends InputWithIncrementingInteger {
@Param({ "1", "1000", "1000000" })
public int size;
@Override
public int getSize() {
return size;
}
}
@Benchmark
public void observableConsumption(Input input) throws InterruptedException {
input.firehose.subscribe(input.observer);
}
@Benchmark
public void observableViaRange(Input input) throws InterruptedException {
input.observable.subscribe(input.observer);
}
@Benchmark
public void observableConsumptionUnsafe(Input input) throws InterruptedException {
input.firehose.unsafeSubscribe(input.newSubscriber());
}
@Benchmark
public void observableViaRangeUnsafe(Input input) throws InterruptedException {
input.observable.unsafeSubscribe(input.newSubscriber());
}
@Benchmark
public void iterableViaForLoopConsumption(Input input) throws InterruptedException {
for (int i : input.iterable) {
input.observer.onNext(i);
}
}
@Benchmark
public void iterableViaHasNextConsumption(Input input) throws InterruptedException {
Iterator<Integer> iterator = input.iterable.iterator();
while (iterator.hasNext()) {
input.observer.onNext(iterator.next());
}
}
}