code: /*
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * 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 io.reactivex.rxjava3.core;
  
  import java.util.concurrent.*;
  
  import org.openjdk.jmh.annotations.*;
  import org.openjdk.jmh.infra.Blackhole;
  
  import io.reactivex.rxjava3.internal.schedulers.SingleScheduler;
  import io.reactivex.rxjava3.schedulers.Schedulers;
  
  @BenchmarkMode(Mode.Throughput)
  @Warmup(iterations = 5)
  @Measurement(iterations = 5, time = 5, timeUnit = TimeUnit.SECONDS)
  @OutputTimeUnit(TimeUnit.SECONDS)
  @Fork(value = 1)
  @State(Scope.Thread)
  public class CallableAsyncPerf {
  
      Flowable<Integer> subscribeOnFlowable;
  
      Flowable<Integer> observeOnFlowable;
  
      Flowable<Integer> pipelineFlowable;
  
      Observable<Integer> subscribeOnObservable;
  
      Observable<Integer> observeOnObservable;
  
      Observable<Integer> pipelineObservable;
  
      Single<Integer> observeOnSingle;
  
      Single<Integer> subscribeOnSingle;
  
      Single<Integer> pipelineSingle;
  
      Completable observeOnCompletable;
  
      Completable subscribeOnCompletable;
  
      Completable pipelineCompletable;
  
      Maybe<Integer> observeOnMaybe;
  
      Maybe<Integer> subscribeOnMaybe;
  
      Maybe<Integer> pipelineMaybe;
  
      @Setup
      public void setup() {
  
          Scheduler s = Schedulers.single();
  
          Scheduler s2 = new SingleScheduler();
  
          Callable<Integer> c = new Callable<Integer>() {
              @Override
              public Integer call() {
                  return 1;
              }
          };
  
          subscribeOnFlowable = Flowable.fromCallable(c).subscribeOn(s);
  
          observeOnFlowable = Flowable.fromCallable(c).observeOn(s);
  
          pipelineFlowable = Flowable.fromCallable(c).subscribeOn(s).observeOn(s2);
  
          // ----
  
          subscribeOnObservable = Observable.fromCallable(c).subscribeOn(s);
  
          observeOnObservable = Observable.fromCallable(c).observeOn(s);
  
          pipelineObservable = Observable.fromCallable(c).subscribeOn(s).observeOn(s2);
  
          // ----
  
          observeOnSingle = Single.fromCallable(c).observeOn(s);
  
          subscribeOnSingle = Single.fromCallable(c).subscribeOn(s);
  
          pipelineSingle = Single.fromCallable(c).subscribeOn(s).observeOn(s2);
  
          // ----
  
          observeOnCompletable = Completable.fromCallable(c).observeOn(s);
  
          subscribeOnCompletable = Completable.fromCallable(c).subscribeOn(s);
  
          pipelineCompletable = Completable.fromCallable(c).subscribeOn(s).observeOn(s2);
  
          // ----
  
          observeOnMaybe = Maybe.fromCallable(c).observeOn(s);
  
          subscribeOnMaybe = Maybe.fromCallable(c).subscribeOn(s);
  
          pipelineMaybe = Maybe.fromCallable(c).subscribeOn(s).observeOn(s2);
      }
  
      @Benchmark
      public void subscribeOnFlowable(Blackhole bh) {
          subscribeOnFlowable.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void observeOnFlowable(Blackhole bh) {
          observeOnFlowable.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void pipelineFlowable(Blackhole bh) {
          pipelineFlowable.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void subscribeOnObservable(Blackhole bh) {
          subscribeOnObservable.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void observeOnObservable(Blackhole bh) {
          observeOnObservable.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void pipelineObservable(Blackhole bh) {
          pipelineObservable.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void observeOnSingle(Blackhole bh) {
          observeOnSingle.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void subscribeOnSingle(Blackhole bh) {
          subscribeOnSingle.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void pipelineSingle(Blackhole bh) {
          pipelineSingle.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void observeOnCompletable(Blackhole bh) {
          observeOnCompletable.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void subscribeOnCompletable(Blackhole bh) {
          subscribeOnCompletable.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void pipelineCompletable(Blackhole bh) {
          pipelineCompletable.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void observeOnMaybe(Blackhole bh) {
          observeOnMaybe.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void subscribeOnMaybe(Blackhole bh) {
          subscribeOnMaybe.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
      @Benchmark
      public void pipelineMaybe(Blackhole bh) {
          pipelineMaybe.subscribeWith(new PerfAsyncConsumer(bh)).await(1);
      }
  
  }
  