Utf8EncodingBenchmark.java — netty Source File

Source Code

/*
 * Copyright 2020 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.ByteBufUtil;
import io.netty.buffer.Unpooled;
import io.netty.microbench.util.AbstractMicrobenchmark;
import io.netty.util.AsciiString;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.CompilerControl;
import org.openjdk.jmh.annotations.CompilerControl.Mode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Setup;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

@Fork(value = 2, jvmArgsAppend = "-XX:MaxInlineLevel=9")
public class Utf8EncodingBenchmark extends AbstractMicrobenchmark {
    private static class AnotherCharSequence implements CharSequence {
        private final char[] chars;

        AnotherCharSequence(String chars) {
            this.chars = new char[chars.length()];
            chars.getChars(0, chars.length(), this.chars, 0);
        }

        @Override
        public int length() {
            return chars.length;
        }

        @Override
        public char charAt(int i) {
            return chars[i];
        }

        @Override
        public CharSequence subSequence(int start, int end) {
// ... (219 more lines)