/**
* 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.internal;
import java.util.concurrent.TimeUnit;
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.State;
import rx.exceptions.MissingBackpressureException;
import rx.internal.util.RxRingBuffer;
import rx.jmh.InputWithIncrementingInteger;
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.SECONDS)
public class RxRingBufferPerf {
@Benchmark
public void spmcRingBufferAddRemove1(SpmcInput input) throws InterruptedException, MissingBackpressureException {
input.ring.onNext("a");
input.bh.consume(input.ring.poll());
}
@Benchmark
public void spmcRingBufferAddRemove1000(SpmcInput input) throws InterruptedException, MissingBackpressureException {
for (int i = 0; i < 1000; i++) {
input.ring.onNext("a");
}
for (int i = 0; i < 1000; i++) {
input.bh.consume(input.ring.poll());
}
}
@Benchmark
public void spmcCreateUseAndDestroy1000(Input input) throws InterruptedException, MissingBackpressureException {
RxRingBuffer buffer = RxRingBuffer.getSpmcInstance();
for (int i = 0; i < 1000; i++) {
buffer.onNext("a");
}
for (int i = 0; i < 1000; i++) {
input.bh.consume(buffer.poll());
}
buffer.release();
}
@Benchmark
public void spmcCreateUseAndDestroy1(Input input) throws InterruptedException, MissingBackpressureException {
RxRingBuffer buffer = RxRingBuffer.getSpmcInstance();
buffer.onNext("a");
input.bh.consume(buffer.poll());
buffer.release();
}
@Benchmark
public void spscRingBufferAddRemove1(SpscInput input) throws InterruptedException, MissingBackpressureException {
input.ring.onNext("a");
input.bh.consume(input.ring.poll());
}
@Benchmark
public void spscRingBufferAddRemove1000(SpscInput input) throws InterruptedException, MissingBackpressureException {
for (int i = 0; i < 1000; i++) {
input.ring.onNext("a");
}
for (int i = 0; i < 1000; i++) {
input.bh.consume(input.ring.poll());
}
}
@Benchmark
public void spscCreateUseAndDestroy1000(Input input) throws InterruptedException, MissingBackpressureException {
RxRingBuffer buffer = RxRingBuffer.getSpscInstance();
for (int i = 0; i < 1000; i++) {
buffer.onNext("a");
}
for (int i = 0; i < 1000; i++) {
input.bh.consume(buffer.poll());
}
buffer.release();
}
@Benchmark
public void spscCreateUseAndDestroy1(Input input) throws InterruptedException, MissingBackpressureException {
RxRingBuffer buffer = RxRingBuffer.getSpscInstance();
buffer.onNext("a");
input.bh.consume(buffer.poll());
buffer.release();
}
@State(Scope.Thread)
public static class SpmcInput extends InputWithIncrementingInteger {
RxRingBuffer ring = RxRingBuffer.getSpmcInstance();
@Override
public int getSize() {
return 1;
}
}
@State(Scope.Thread)
public static class SpscInput extends InputWithIncrementingInteger {
RxRingBuffer ring = RxRingBuffer.getSpscInstance();
@Override
public int getSize() {
return 1;
}
}
@State(Scope.Thread)
public static class Input extends InputWithIncrementingInteger {
@Override
public int getSize() {
return 1;
}
}
}