com.alibaba.csp.sentinel.benchmark.LeapArrayBenchmark Maven / Gradle / Ivy

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/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed 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 com.alibaba.csp.sentinel.benchmark;

import java.util.concurrent.TimeUnit;

import com.alibaba.csp.sentinel.slots.statistic.metric.MetricsLeapArray;

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;
import org.openjdk.jmh.annotations.Threads;
import org.openjdk.jmh.annotations.Warmup;
import org.openjdk.jmh.infra.Blackhole;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;

/**
 * @author Eric Zhao
 */
@Warmup(iterations = 10)
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.SECONDS)
@State(Scope.Benchmark)
public class LeapArrayBenchmark {

    private final MetricsLeapArray leapArray = new MetricsLeapArray(10, 1000);

    @Benchmark
    @Threads(8)
    public void testMultiThreadUpdate(Blackhole blackhole) {
        blackhole.consume(leapArray.currentWindow());
    }

    public static void main(String[] args) throws Exception {
        Options opt = new OptionsBuilder()
            .include(LeapArrayBenchmark.class.getSimpleName())
            .forks(1)
            .build();
        new Runner(opt).run();
    }
}