/**
* 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.activemq.artemis.tests.extras.benchmarks.journal.gcfree;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.concurrent.TimeUnit;
import io.netty.buffer.Unpooled;
import org.apache.activemq.artemis.api.core.ActiveMQBuffer;
import org.apache.activemq.artemis.core.buffers.impl.ChannelBufferWrapper;
import org.apache.activemq.artemis.core.journal.EncoderPersister;
import org.apache.activemq.artemis.core.journal.EncodingSupport;
import org.apache.activemq.artemis.core.journal.impl.dataformat.JournalAddRecord;
import org.apache.activemq.artemis.core.journal.impl.dataformat.JournalInternalRecord;
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.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;
@State(Scope.Thread)
@BenchmarkMode(value = {Mode.Throughput, Mode.SampleTime})
@OutputTimeUnit(TimeUnit.MICROSECONDS)
public class EncodersBench {
private static final int expectedEncoderSize = JournalRecordHeader.BYTES + AddJournalRecordEncoder.expectedSize(0);
private JournalInternalRecord record;
private ByteBuffer byteBuffer;
private AddJournalRecordEncoder addJournalRecordEncoder;
private ActiveMQBuffer outBuffer;
public static void main(String[] args) throws RunnerException {
final Options opt = new OptionsBuilder().include(EncodersBench.class.getSimpleName()).addProfiler(GCProfiler.class).warmupIterations(5).measurementIterations(5).forks(1).build();
new Runner(opt).run();
}
@Setup
public void init() {
this.byteBuffer = ByteBuffer.allocateDirect(expectedEncoderSize);
this.byteBuffer.order(ByteOrder.nativeOrder());
this.addJournalRecordEncoder = new AddJournalRecordEncoder();
this.record = new JournalAddRecord(true, 1, (byte) 1, EncoderPersister.getInstance(), ZeroEncodingSupport.Instance);
this.record.setFileID(1);
this.record.setCompactCount((short) 1);
this.outBuffer = new ChannelBufferWrapper(Unpooled.directBuffer(this.record.getEncodeSize(), this.record.getEncodeSize()).order(ByteOrder.nativeOrder()));
}
@Benchmark
public int encodeAligned() {
//Header
final long header = JournalRecordHeader.makeHeader(JournalRecordTypes.ADD_JOURNAL, expectedEncoderSize);
this.byteBuffer.putLong(0, header);
//FileId<CompactCount<Id<RecordType<RecordBytes
return addJournalRecordEncoder.on(byteBuffer, JournalRecordHeader.BYTES).fileId(1).compactCount(1).id(1L).recordType(1).noRecord().encodedLength();
}
@Benchmark
public int encodeUnaligned() {
outBuffer.clear();
record.encode(outBuffer);
return record.getEncodeSize();
}
@Benchmark
public int encodeUnalignedWithGarbage() {
outBuffer.clear();
final JournalAddRecord addRecord = new JournalAddRecord(true, 1, (byte) 1, EncoderPersister.getInstance(), ZeroEncodingSupport.Instance);
addRecord.setFileID(1);
addRecord.setCompactCount((short) 1);
addRecord.encode(outBuffer);
return addRecord.getEncodeSize();
}
public enum ZeroEncodingSupport implements EncodingSupport {
Instance;
@Override
public int getEncodeSize() {
return 0;
}
@Override
public void encode(ActiveMQBuffer buffer) {
}
@Override
public void decode(ActiveMQBuffer buffer) {
}
}
}