ByteBufAllocatorBenchmark.java — netty Source File

Source Code

/*
 * Copyright 2012 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.AdaptiveByteBufAllocator;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.PooledByteBufAllocator;
import io.netty.buffer.UnpooledByteBufAllocator;
import io.netty.microbench.util.AbstractMicrobenchmark;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.TearDown;

import java.util.Arrays;
import java.util.List;
import java.util.Random;

/**
 * This class benchmarks different allocators with different allocation sizes.
 */
@State(Scope.Benchmark)
public class ByteBufAllocatorBenchmark extends AbstractMicrobenchmark {

    private static final ByteBufAllocator unpooledAllocator = new UnpooledByteBufAllocator(true);
    private static final ByteBufAllocator pooledAllocator =
            new PooledByteBufAllocator(true, 4, 4, 8192, 11, 0, 0, 0, true, 0);
    private static final ByteBufAllocator adaptiveAllocator = new AdaptiveByteBufAllocator();

    private static final int MAX_LIVE_BUFFERS = 8192;
    private static final ByteBuf[] unpooledHeapBuffers = new ByteBuf[MAX_LIVE_BUFFERS];
    private static final ByteBuf[] unpooledDirectBuffers = new ByteBuf[MAX_LIVE_BUFFERS];
    private static final ByteBuf[] pooledHeapBuffers = new ByteBuf[MAX_LIVE_BUFFERS];
    private static final ByteBuf[] pooledDirectBuffers = new ByteBuf[MAX_LIVE_BUFFERS];
    private static final ByteBuf[] defaultPooledHeapBuffers = new ByteBuf[MAX_LIVE_BUFFERS];
    private static final ByteBuf[] defaultPooledDirectBuffers = new ByteBuf[MAX_LIVE_BUFFERS];
    private static final ByteBuf[] adaptiveHeapBuffers = new ByteBuf[MAX_LIVE_BUFFERS];
    private static final ByteBuf[] adaptiveDirectBuffers = new ByteBuf[MAX_LIVE_BUFFERS];

    @Param({
            "00000",
            "00256",
            "01024",
            "04096",
            "16384",
// ... (122 more lines)