| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.proton.message; |
| |
| import org.apache.qpid.proton.codec.AMQPDefinedTypes; |
| import org.apache.qpid.proton.codec.DecoderImpl; |
| import org.apache.qpid.proton.codec.EncoderImpl; |
| import org.openjdk.jmh.annotations.*; |
| 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; |
| |
| import java.nio.ByteBuffer; |
| import java.util.concurrent.TimeUnit; |
| |
| @State(Scope.Benchmark) |
| @BenchmarkMode(Mode.AverageTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| @Warmup(iterations = 5, time = 1) |
| @Measurement(iterations = 5, time = 1) |
| public abstract class MessageBenchmark |
| { |
| |
| public static final int DEFAULT_BUFFER_SIZE = 8192; |
| protected ByteBuffer byteBuf; |
| protected DecoderImpl decoder; |
| protected EncoderImpl encoder; |
| |
| /** |
| * It could be overridden to allow encoding/decoding buffer to be sized differently from {@link #DEFAULT_BUFFER_SIZE} |
| */ |
| protected int bufferSize() |
| { |
| return DEFAULT_BUFFER_SIZE; |
| } |
| |
| public void init() |
| { |
| byteBuf = ByteBuffer.allocate(bufferSize()); |
| this.decoder = new DecoderImpl(); |
| this.encoder = new EncoderImpl(decoder); |
| AMQPDefinedTypes.registerAllTypes(decoder, encoder); |
| //initialize encoders |
| encoder.setByteBuffer(byteBuf); |
| decoder.setByteBuffer(byteBuf); |
| } |
| |
| public abstract ByteBuffer encode(); |
| |
| protected final ByteBuffer encodeObj(Object obj) |
| { |
| byteBuf.clear(); |
| encoder.writeObject(obj); |
| return byteBuf; |
| } |
| |
| /** |
| * By default it performs a {@link DecoderImpl#readObject()}. |
| */ |
| protected Object decode() |
| { |
| byteBuf.flip(); |
| return decoder.readObject(); |
| } |
| |
| public static void main(String[] args) throws RunnerException |
| { |
| runBenchmark(MessageBenchmark.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(); |
| } |
| |
| } |