org.apache.activemq.artemis.tests.extras.benchmarks.journal.gcfree.EncodersBench.java Source code

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Here is the source code for org.apache.activemq.artemis.tests.extras.benchmarks.journal.gcfree.EncodersBench.java

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/**
 * 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.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, 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, 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) {
        }
    }

}