ByteBufUtilDecodeStringBenchmark.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.buffer;

import io.netty.microbench.util.AbstractMicrobenchmark;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.TearDown;
import org.openjdk.jmh.annotations.Warmup;

import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.concurrent.TimeUnit;

@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 10, time = 1, timeUnit = TimeUnit.SECONDS)
public class ByteBufUtilDecodeStringBenchmark extends AbstractMicrobenchmark {

    public enum ByteBufType {
        DIRECT {
            @Override
            ByteBuf newBuffer(byte[] bytes, int length) {
                ByteBuf buffer = Unpooled.directBuffer(length);
                buffer.writeBytes(bytes, 0, length);
                return buffer;
            }
        },
        HEAP_OFFSET {
            @Override
            ByteBuf newBuffer(byte[] bytes, int length) {
                return Unpooled.wrappedBuffer(bytes, 1, length);
            }
        },
        HEAP {
            @Override
            ByteBuf newBuffer(byte[] bytes, int length) {
                return Unpooled.wrappedBuffer(bytes, 0, length);
            }
        },
        COMPOSITE {
            @Override
            ByteBuf newBuffer(byte[] bytes, int length) {
                CompositeByteBuf buffer = Unpooled.compositeBuffer();
                int offset = 0;
                // 8 buffers per composite.
// ... (62 more lines)