content: /*
   * Copyright 2021-2024 Aklivity Inc.
   *
   * Aklivity 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 io.aklivity.zilla.runtime.engine.internal.concurrent.bench;
  
  import static java.util.concurrent.TimeUnit.SECONDS;
  
  import org.openjdk.jmh.annotations.Benchmark;
  import org.openjdk.jmh.annotations.BenchmarkMode;
  import org.openjdk.jmh.annotations.Fork;
  import org.openjdk.jmh.annotations.Measurement;
  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.Warmup;
  import org.openjdk.jmh.runner.Runner;
  import org.openjdk.jmh.runner.RunnerException;
  import org.openjdk.jmh.runner.options.Options;
  import org.openjdk.jmh.runner.options.OptionsBuilder;
  
  @State(Scope.Benchmark)
  @BenchmarkMode(Mode.Throughput)
  @Fork(3)
  @Warmup(iterations = 10, time = 1, timeUnit = SECONDS)
  @Measurement(iterations = 5, time = 1, timeUnit = SECONDS)
  @OutputTimeUnit(SECONDS)
  public class TimestampBM
  {
      @Benchmark
      public void nanos() throws Exception
      {
          System.nanoTime();
      }
  
      @Benchmark
      public void millis() throws Exception
      {
          System.currentTimeMillis();
      }
  
      public static void main(
          String[] args) throws RunnerException
      {
          Options opt = new OptionsBuilder()
                  .include(TimestampBM.class.getSimpleName())
                  .forks(0)
                  .build();
  
          new Runner(opt).run();
      }
  }
  