UnsafeByteBufBenchmark.java — netty Source File

Source Code

/*
* Copyright 2018 The Netty Project
*
* The Netty Project 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:
*
*   https://www.apache.org/licenses/LICENSE-2.0
*
* 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 io.netty.microbench.buffer;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.UnpooledByteBufAllocator;
import io.netty.buffer.UnpooledUnsafeDirectByteBuf;
import io.netty.microbench.util.AbstractMicrobenchmark;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.TearDown;

import java.nio.ByteBuffer;


public class UnsafeByteBufBenchmark extends AbstractMicrobenchmark {

    private ByteBuf unsafeBuffer;
    private ByteBuffer byteBuffer;

    @Setup
    public void setup() {
        unsafeBuffer = new UnpooledUnsafeDirectByteBuf(UnpooledByteBufAllocator.DEFAULT, 64, 64);
        byteBuffer = ByteBuffer.allocateDirect(64);
    }

    @TearDown
    public void tearDown() {
        unsafeBuffer.release();
    }

    @Benchmark
    public long setGetLongUnsafeByteBuf() {
        return unsafeBuffer.setLong(0, 1).getLong(0);
    }

    @Benchmark
    public long setGetLongByteBuffer() {
        return byteBuffer.putLong(0, 1).getLong(0);
    }

    @Benchmark
    public ByteBuf setLongUnsafeByteBuf() {
        return unsafeBuffer.setLong(0, 1);
    }

    @Benchmark
    public ByteBuffer setLongByteBuffer() {
        return byteBuffer.putLong(0, 1);
    }
}