| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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 |
| * |
| * http://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 org.apache.logging.log4j.message; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
| import org.openjdk.jmh.annotations.Mode; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.State; |
| |
| /** |
| * This benchmark is not in the perf.jmh package because it tests the package-protected ParameterFormatter class. |
| */ |
| // ============================== HOW TO RUN THIS TEST: ==================================== |
| // |
| // single thread: |
| // java -jar log4j-perf/target/benchmarks.jar ".*ParameterFormatterBench.*" -f 1 -wi 5 -i 10 |
| // |
| // multiple threads (for example, 4 threads): |
| // java -jar log4j-perf/target/benchmarks.jar ".*ParameterFormatterBench.*" -f 1 -wi 5 -i 10 -t 4 -si true |
| // |
| // Usage help: |
| // java -jar log4j-perf/target/benchmarks.jar -help |
| // |
| @State(Scope.Benchmark) |
| public class ParameterFormatterBenchmark { |
| private static final Object[] ARGS = { "arg1", "arg2", "arg3", "arg4", "arg5", "arg6", "arg7", "arg8", |
| "arg9", "arg10",}; |
| |
| @State(Scope.Thread) |
| public static class ThreadState { |
| StringBuilder buffer = new StringBuilder(2048); |
| int[] indices = new int[255]; |
| char[] copy = new char[4096]; |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency3ParamsV3(final ThreadState state) { |
| state.buffer.setLength(0); |
| final String STR = "p1={}, p2={}, p3={}"; |
| final int length = STR.length(); |
| STR.getChars(0, length, state.copy, 0); |
| final int count = ParameterFormatter.countArgumentPlaceholders3(state.copy, length, state.indices); |
| ParameterFormatter.formatMessage3(state.buffer, state.copy, length, ARGS, count, state.indices); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency5ParamsV3(final ThreadState state) { |
| state.buffer.setLength(0); |
| final String STR = "p1={}, p2={}, p3={}, p4={}, p5={}"; |
| final int length = STR.length(); |
| STR.getChars(0, length, state.copy, 0); |
| final int count = ParameterFormatter.countArgumentPlaceholders3(state.copy, length, state.indices); |
| ParameterFormatter.formatMessage3(state.buffer, state.copy, length, ARGS, count, state.indices); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency7ParamsV3(final ThreadState state) { |
| state.buffer.setLength(0); |
| final String STR = "p1={}, p2={}, p3={}, p4={}, p5={}, p6={}, p7={}"; |
| final int length = STR.length(); |
| STR.getChars(0, length, state.copy, 0); |
| final int count = ParameterFormatter.countArgumentPlaceholders3(state.copy, length, state.indices); |
| ParameterFormatter.formatMessage3(state.buffer, state.copy, length, ARGS, count, state.indices); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency9ParamsV3(final ThreadState state) { |
| state.buffer.setLength(0); |
| final String STR = "p1={}, p2={}, p3={}, p4={}, p5={}, p6={}, p7={}, p8={}, p9={}"; |
| final int length = STR.length(); |
| STR.getChars(0, length, state.copy, 0); |
| final int count = ParameterFormatter.countArgumentPlaceholders3(state.copy, length, state.indices); |
| ParameterFormatter.formatMessage3(state.buffer, state.copy, length, ARGS, count, state.indices); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency3ParamsV2(final ThreadState state) { |
| state.buffer.setLength(0); |
| final int count = ParameterFormatter.countArgumentPlaceholders2("p1={}, p2={}, p3={}", state.indices); |
| ParameterFormatter.formatMessage2(state.buffer, "p1={}, p2={}, p3={}", ARGS, count, state.indices); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency5ParamsV2(final ThreadState state) { |
| state.buffer.setLength(0); |
| final int count = ParameterFormatter.countArgumentPlaceholders2("p1={}, p2={}, p3={}, p4={}, p5={}", state.indices); |
| ParameterFormatter.formatMessage2(state.buffer, "p1={}, p2={}, p3={}, p4={}, p5={}", ARGS, count, state.indices); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency7ParamsV2(final ThreadState state) { |
| state.buffer.setLength(0); |
| final int count = ParameterFormatter.countArgumentPlaceholders2("p1={}, p2={}, p3={}, p4={}, p5={}, p6={}, p7={}", state.indices); |
| ParameterFormatter.formatMessage2(state.buffer, "p1={}, p2={}, p3={}, p4={}, p5={}, p6={}, p7={}", ARGS, count, state.indices); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency9ParamsV2(final ThreadState state) { |
| state.buffer.setLength(0); |
| final int count = ParameterFormatter.countArgumentPlaceholders2("p1={}, p2={}, p3={}, p4={}, p5={}, p6={}, p7={}, p8={}, p9={}", state.indices); |
| ParameterFormatter.formatMessage2(state.buffer, "p1={}, p2={}, p3={}, p4={}, p5={}, p6={}, p7={}, p8={}, p9={}", ARGS, count, state.indices); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency3Params(final ThreadState state) { |
| state.buffer.setLength(0); |
| final int count = ParameterFormatter.countArgumentPlaceholders("p1={}, p2={}, p3={}"); |
| ParameterFormatter.formatMessage(state.buffer, "p1={}, p2={}, p3={}", ARGS, count); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency5Params(final ThreadState state) { |
| state.buffer.setLength(0); |
| final int count = ParameterFormatter.countArgumentPlaceholders("p1={}, p2={}, p3={}, p4={}, p5={}"); |
| ParameterFormatter.formatMessage(state.buffer, "p1={}, p2={}, p3={}, p4={}, p5={}", ARGS, count); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency7Params(final ThreadState state) { |
| state.buffer.setLength(0); |
| final int count = ParameterFormatter.countArgumentPlaceholders("p1={}, p2={}, p3={}, p4={}, p5={}, p6={}, p7={}"); |
| ParameterFormatter.formatMessage(state.buffer, "p1={}, p2={}, p3={}, p4={}, p5={}, p6={}, p7={}", ARGS, count); |
| return state.buffer.length(); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public int latency9Params(final ThreadState state) { |
| state.buffer.setLength(0); |
| final int count = ParameterFormatter.countArgumentPlaceholders("p1={}, p2={}, p3={}, p4={}, p5={}, p6={}, p7={}, p8={}, p9={}"); |
| ParameterFormatter.formatMessage(state.buffer, "p1={}, p2={}, p3={}, p4={}, p5={}, p6={}, p7={}, p8={}, p9={}", ARGS, count); |
| return state.buffer.length(); |
| } |
| } |