RedisEncoderBenchmark Class — netty Architecture

Source Code

microbench/src/main/java/io/netty/microbench/redis/RedisEncoderBenchmark.java lines 45–101

@State(Scope.Benchmark)
@Fork(1)
@Threads(1)
@Warmup(iterations = 5)
@Measurement(iterations = 5)
public class RedisEncoderBenchmark extends AbstractMicrobenchmark {
    private RedisEncoder encoder;
    private ByteBuf content;
    private ChannelHandlerContext context;
    private ArrayRedisMessage redisArray;

    @Param({ "true", "false" })
    public boolean pooledAllocator;

    @Param({ "true", "false" })
    public boolean voidPromise;

    @Param({ "50", "200", "1000" })
    public int arraySize;

    @Setup(Level.Trial)
    public void setup() {
        byte[] bytes = new byte[256];
        content = Unpooled.buffer(bytes.length);
        content.writeBytes(bytes);
        ByteBuf testContent = Unpooled.unreleasableBuffer(content.asReadOnly());

        List<RedisMessage> rList = new ArrayList<RedisMessage>(arraySize);
        for (int i = 0; i < arraySize; ++i) {
            rList.add(new FullBulkStringRedisMessage(testContent));
        }
        redisArray = new ArrayRedisMessage(rList);
        encoder = new RedisEncoder();
        context = new EmbeddedChannelWriteReleaseHandlerContext(pooledAllocator ? PooledByteBufAllocator.DEFAULT :
                UnpooledByteBufAllocator.DEFAULT, encoder) {
            @Override
            protected void handleException(Throwable t) {
                handleUnexpectedException(t);
            }
        };
    }

    @TearDown(Level.Trial)
    public void teardown() {
        content.release();
        content = null;
    }

    @Benchmark
    public void writeArray() throws Exception {
        encoder.write(context, redisArray.retain(), newPromise());
    }

    private ChannelPromise newPromise() {
        return voidPromise ? context.voidPromise() : context.newPromise();
    }
}