| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.qpid.protonj2.buffer.api; |
| |
| import java.util.Map; |
| import java.util.Random; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.qpid.protonj2.buffer.ProtonBuffer; |
| import org.apache.qpid.protonj2.buffer.ProtonBufferAllocator; |
| import org.apache.qpid.protonj2.buffer.ProtonCompositeBuffer; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
| import org.openjdk.jmh.annotations.Level; |
| 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.Warmup; |
| import org.openjdk.jmh.profile.GCProfiler; |
| import org.openjdk.jmh.runner.Runner; |
| import org.openjdk.jmh.runner.RunnerException; |
| import org.openjdk.jmh.runner.options.Options; |
| import org.openjdk.jmh.runner.options.OptionsBuilder; |
| |
| /** |
| * Base for benchmarks involving {@link Map} types. |
| */ |
| @State(Scope.Benchmark) |
| @BenchmarkMode(Mode.AverageTime) |
| @OutputTimeUnit(TimeUnit.MICROSECONDS) |
| @Warmup(iterations = 5, time = 2) |
| @Measurement(iterations = 5, time = 1) |
| public class CompositeBufferImpBenchmark { |
| |
| public static final int DEFAULT_MAP_VALUE_RANGE = 8192; |
| |
| protected final String DUMMY_STRING = "ASDFGHJ"; |
| protected final Random random = new Random(); |
| |
| private ProtonBuffer buffer1; |
| private ProtonBuffer buffer2; |
| private ProtonBuffer buffer3; |
| |
| @Setup(Level.Invocation) |
| public void init() { |
| buffer1 = ProtonBufferAllocator.defaultAllocator().allocate(64); |
| buffer2 = ProtonBufferAllocator.defaultAllocator().allocate(64); |
| buffer3 = ProtonBufferAllocator.defaultAllocator().allocate(64); |
| |
| this.random.setSeed(System.currentTimeMillis()); |
| } |
| |
| @Benchmark |
| public void ensureWritable() { |
| final ProtonCompositeBuffer buffer = ProtonBufferAllocator.defaultAllocator().composite(); |
| |
| buffer.ensureWritable(64); |
| buffer.ensureWritable(64); |
| buffer.ensureWritable(64); |
| } |
| |
| @Benchmark |
| public void appendAllReadable() { |
| final ProtonCompositeBuffer buffer = ProtonBufferAllocator.defaultAllocator().composite(); |
| |
| buffer1.setWriteOffset(buffer1.capacity()); |
| buffer2.setWriteOffset(buffer2.capacity()); |
| buffer3.setWriteOffset(buffer3.capacity()); |
| |
| buffer.append(buffer1).append(buffer2).append(buffer3); |
| } |
| |
| @Benchmark |
| public void appendAllWritable() { |
| final ProtonCompositeBuffer buffer = ProtonBufferAllocator.defaultAllocator().composite(); |
| |
| buffer.append(buffer1).append(buffer2).append(buffer3); |
| } |
| |
| @Benchmark |
| public void appendReadableWithUnreadChunks() { |
| final ProtonCompositeBuffer buffer = ProtonBufferAllocator.defaultAllocator().composite(); |
| |
| buffer1.setWriteOffset(buffer1.capacity()); |
| buffer2.setWriteOffset(buffer2.capacity()); |
| buffer3.setWriteOffset(buffer3.capacity()); |
| |
| buffer1.advanceReadOffset(buffer1.capacity() / 2); |
| buffer2.advanceReadOffset(buffer2.capacity() / 2); |
| buffer3.advanceReadOffset(buffer3.capacity() / 2); |
| |
| buffer.append(buffer1).append(buffer2).append(buffer3); |
| } |
| |
| @Benchmark |
| public void appendBufferWithWrittenChunkAndAnotherAllReadable() { |
| final ProtonCompositeBuffer buffer = ProtonBufferAllocator.defaultAllocator().composite(); |
| |
| buffer1.setWriteOffset(buffer1.capacity() / 2); |
| buffer2.setWriteOffset(buffer2.capacity()); |
| |
| buffer.append(buffer1).append(buffer2); |
| } |
| |
| @Benchmark |
| public void composeSingleReadable() { |
| buffer1.advanceWriteOffset(buffer1.capacity()); |
| |
| final ProtonCompositeBuffer composite = ProtonBufferAllocator.defaultAllocator().composite(buffer1); |
| |
| composite.capacity(); |
| } |
| |
| @Benchmark |
| public void composeAllReadable() { |
| buffer1.setWriteOffset(buffer1.capacity()); |
| buffer2.setWriteOffset(buffer2.capacity()); |
| buffer3.setWriteOffset(buffer3.capacity()); |
| |
| final ProtonCompositeBuffer buffer = |
| ProtonBufferAllocator.defaultAllocator().composite(new ProtonBuffer[] { buffer1, buffer2, buffer3 }); |
| |
| buffer.capacity(); |
| } |
| |
| @Benchmark |
| public void composeAllWritable() { |
| final ProtonCompositeBuffer buffer = |
| ProtonBufferAllocator.defaultAllocator().composite(new ProtonBuffer[] { buffer1, buffer2, buffer3 }); |
| |
| buffer.capacity(); |
| } |
| |
| @Benchmark |
| public void composeReadableWithUnreadChunks() { |
| buffer1.setWriteOffset(buffer1.capacity()); |
| buffer2.setWriteOffset(buffer2.capacity()); |
| buffer3.setWriteOffset(buffer3.capacity()); |
| |
| buffer1.advanceReadOffset(buffer1.capacity() / 2); |
| buffer2.advanceReadOffset(buffer2.capacity() / 2); |
| buffer3.advanceReadOffset(buffer3.capacity() / 2); |
| |
| final ProtonCompositeBuffer buffer = |
| ProtonBufferAllocator.defaultAllocator().composite(new ProtonBuffer[] { buffer1, buffer2, buffer3 }); |
| |
| buffer.capacity(); |
| } |
| |
| @Benchmark |
| public void composeBufferWithWrittenChunkAndAnotherAllReadable() { |
| buffer1.setWriteOffset(buffer1.capacity() / 2); |
| buffer2.setWriteOffset(buffer2.capacity()); |
| |
| final ProtonCompositeBuffer buffer = |
| ProtonBufferAllocator.defaultAllocator().composite(new ProtonBuffer[] { buffer1, buffer2 }); |
| |
| buffer.capacity(); |
| } |
| |
| public static void main(String[] args) throws RunnerException { |
| runBenchmark(CompositeBufferImpBenchmark.class); |
| } |
| |
| public static void runBenchmark(Class<?> benchmarkClass) throws RunnerException { |
| final Options opt = new OptionsBuilder() |
| .include(benchmarkClass.getSimpleName()) |
| .addProfiler(GCProfiler.class) |
| .shouldDoGC(true) |
| .warmupIterations(5) |
| .measurementIterations(5) |
| .forks(1) |
| .build(); |
| |
| new Runner(opt).run(); |
| } |
| } |