gistfile1.java

@State(Scope.Benchmark)
@Warmup(iterations = 25)
@Measurement(iterations = 50)
public class SwappedByteBufBenchmark extends AbstractMicrobenchmark {
    private final ByteBuf buffer = Unpooled.directBuffer(8);
    private final ByteBuf swappedByteBuf = new SwappedByteBuf(buffer);
    private final ByteBuf unsafeSwappedByteBuf = buffer.order(ByteOrder.LITTLE_ENDIAN);

    public SwappedByteBufBenchmark() {
        if (unsafeSwappedByteBuf.getClass().equals(SwappedByteBuf.class)) {
            throw new IllegalStateException("Should not use " + SwappedByteBuf.class.getSimpleName());
        }
    }

    @Param({ "00000", "00256", "01024", "04096", "16384", "65536" })
    public int size;

    @GenerateMicroBenchmark
    public void swappedByteBufSetInt() {
        swappedByteBuf.setLong(0, size);
    }

    @GenerateMicroBenchmark
    public void swappedByteBufSetShort() {
        swappedByteBuf.setShort(0, size);
    }

    @GenerateMicroBenchmark
    public void swappedByteBufSetLong() {
        swappedByteBuf.setLong(0, size);
    }

    @GenerateMicroBenchmark
    public void unsafeSwappedByteBufSetInt() {
        unsafeSwappedByteBuf.setInt(0, size);
    }

    @GenerateMicroBenchmark
    public void unsafeSwappedByteBufSetShort() {
        unsafeSwappedByteBuf.setShort(0, size);
    }

    @GenerateMicroBenchmark
    public void unsafeSwappedByteBufSetLong() {
        unsafeSwappedByteBuf.setLong(0, size);
    }
}