@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();
}
@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) {}
}
}
