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486 lines (377 loc) · 15.5 KB
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/**
* 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;
import java.util.*;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.infra.Blackhole;
import org.reactivestreams.Publisher;
import io.reactivex.functions.Function;
@BenchmarkMode(Mode.Throughput)
@Warmup(iterations = 5)
@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@OutputTimeUnit(TimeUnit.SECONDS)
@Fork(value = 1)
@State(Scope.Thread)
public class XMapYPerf {
@Param({ "1", "10", "100", "1000", "10000", "100000", "1000000" })
public int times;
Flowable<Integer> flowFlatMapIterable1;
Flowable<Integer> flowFlatMapIterable0;
Flowable<Integer> flowFlatMapFlowable0;
Flowable<Integer> flowFlatMapFlowable1;
Flowable<Integer> flowFlatMapSingle1;
Flowable<Integer> flowFlatMapMaybe1;
Flowable<Integer> flowFlatMapMaybe0;
Completable flowFlatMapCompletable0;
// oooooooooooooooooooooooooooooooooooooooooo
Flowable<Integer> flowFlatMapSingleAsFlow1;
Flowable<Integer> flowFlatMapMaybeAsFlow1;
Flowable<Integer> flowFlatMapMaybeAsFlow0;
Flowable<Integer> flowFlatMapCompletableAsFlow0;
Flowable<Integer> flowFlatMapIterableAsFlow1;
Flowable<Integer> flowFlatMapIterableAsFlow0;
// -----------------------------------------------------------------
Observable<Integer> obsFlatMapIterable0;
Observable<Integer> obsFlatMapIterable1;
Observable<Integer> obsFlatMapObservable0;
Observable<Integer> obsFlatMapObservable1;
Observable<Integer> obsFlatMapSingle1;
Observable<Integer> obsFlatMapMaybe1;
Observable<Integer> obsFlatMapMaybe0;
Completable obsFlatMapCompletable0;
// oooooooooooooooooooooooooooooooooooooooooo
Observable<Integer> obsFlatMapSingleAsObs1;
Observable<Integer> obsFlatMapMaybeAsObs1;
Observable<Integer> obsFlatMapMaybeAsObs0;
Observable<Integer> obsFlatMapCompletableAsObs0;
Observable<Integer> obsFlatMapIterableAsObs1;
Observable<Integer> obsFlatMapIterableAsObs0;
@Setup
public void setup() {
Integer[] values = new Integer[times];
Arrays.fill(values, 777);
Flowable<Integer> fsource = Flowable.fromArray(values);
flowFlatMapFlowable1 = fsource.flatMap(new Function<Integer, Publisher<Integer>>() {
@Override
public Publisher<Integer> apply(Integer v) throws Exception {
return Flowable.just(v);
}
});
flowFlatMapFlowable0 = fsource.flatMap(new Function<Integer, Publisher<Integer>>() {
@Override
public Publisher<Integer> apply(Integer v) throws Exception {
return Flowable.empty();
}
});
flowFlatMapSingle1 = fsource.flatMapSingle(new Function<Integer, SingleSource<Integer>>() {
@Override
public SingleSource<Integer> apply(Integer v) throws Exception {
return Single.just(v);
}
});
flowFlatMapMaybe1 = fsource.flatMapMaybe(new Function<Integer, MaybeSource<Integer>>() {
@Override
public MaybeSource<Integer> apply(Integer v) throws Exception {
return Maybe.just(v);
}
});
flowFlatMapMaybe0 = fsource.flatMapMaybe(new Function<Integer, MaybeSource<Integer>>() {
@Override
public MaybeSource<Integer> apply(Integer v) throws Exception {
return Maybe.empty();
}
});
flowFlatMapCompletable0 = fsource.flatMapCompletable(new Function<Integer, CompletableSource>() {
@Override
public CompletableSource apply(Integer v) throws Exception {
return Completable.complete();
}
});
flowFlatMapIterable1 = fsource.flatMapIterable(new Function<Integer, Iterable<Integer>>() {
@Override
public Iterable<Integer> apply(Integer v) throws Exception {
return Collections.singletonList(v);
}
});
flowFlatMapIterable0 = fsource.flatMapIterable(new Function<Integer, Iterable<Integer>>() {
@Override
public Iterable<Integer> apply(Integer v) throws Exception {
return Collections.<Integer>emptyList();
}
});
flowFlatMapSingle1 = fsource.flatMapSingle(new Function<Integer, SingleSource<Integer>>() {
@Override
public SingleSource<Integer> apply(Integer v) throws Exception {
return Single.just(v);
}
});
flowFlatMapMaybe1 = fsource.flatMapMaybe(new Function<Integer, MaybeSource<Integer>>() {
@Override
public MaybeSource<Integer> apply(Integer v) throws Exception {
return Maybe.just(v);
}
});
flowFlatMapMaybe0 = fsource.flatMapMaybe(new Function<Integer, MaybeSource<Integer>>() {
@Override
public MaybeSource<Integer> apply(Integer v) throws Exception {
return Maybe.empty();
}
});
flowFlatMapCompletable0 = fsource.flatMapCompletable(new Function<Integer, CompletableSource>() {
@Override
public CompletableSource apply(Integer v) throws Exception {
return Completable.complete();
}
});
// ooooooooooooooooooooooooo
flowFlatMapSingleAsFlow1 = fsource.flatMap(new Function<Integer, Publisher<Integer>>() {
@Override
public Publisher<Integer> apply(Integer v) throws Exception {
return Single.just(v).toFlowable();
}
});
flowFlatMapMaybeAsFlow1 = fsource.flatMap(new Function<Integer, Publisher<Integer>>() {
@Override
public Publisher<Integer> apply(Integer v) throws Exception {
return Maybe.just(v).toFlowable();
}
});
flowFlatMapMaybeAsFlow0 = fsource.flatMap(new Function<Integer, Publisher<Integer>>() {
@Override
public Publisher<Integer> apply(Integer v) throws Exception {
return Maybe.<Integer>empty().toFlowable();
}
});
flowFlatMapCompletableAsFlow0 = fsource.flatMap(new Function<Integer, Publisher<Integer>>() {
@Override
public Publisher<Integer> apply(Integer v) throws Exception {
return Completable.complete().<Integer>toFlowable();
}
});
flowFlatMapIterableAsFlow1 = fsource.flatMap(new Function<Integer, Publisher<Integer>>() {
@Override
public Publisher<Integer> apply(Integer v) throws Exception {
return Flowable.fromIterable(Collections.singletonList(v));
}
});
flowFlatMapIterableAsFlow0 = fsource.flatMap(new Function<Integer, Publisher<Integer>>() {
@Override
public Publisher<Integer> apply(Integer v) throws Exception {
return Flowable.fromIterable(Collections.<Integer>emptyList());
}
});
// -------------------------------------------------------------------
Observable<Integer> osource = Observable.fromArray(values);
obsFlatMapObservable1 = osource.flatMap(new Function<Integer, Observable<Integer>>() {
@Override
public Observable<Integer> apply(Integer v) throws Exception {
return Observable.just(v);
}
});
obsFlatMapObservable0 = osource.flatMap(new Function<Integer, Observable<Integer>>() {
@Override
public Observable<Integer> apply(Integer v) throws Exception {
return Observable.empty();
}
});
obsFlatMapSingle1 = osource.flatMapSingle(new Function<Integer, SingleSource<Integer>>() {
@Override
public SingleSource<Integer> apply(Integer v) throws Exception {
return Single.just(v);
}
});
obsFlatMapMaybe1 = osource.flatMapMaybe(new Function<Integer, MaybeSource<Integer>>() {
@Override
public MaybeSource<Integer> apply(Integer v) throws Exception {
return Maybe.just(v);
}
});
obsFlatMapMaybe0 = osource.flatMapMaybe(new Function<Integer, MaybeSource<Integer>>() {
@Override
public MaybeSource<Integer> apply(Integer v) throws Exception {
return Maybe.empty();
}
});
obsFlatMapCompletable0 = osource.flatMapCompletable(new Function<Integer, CompletableSource>() {
@Override
public CompletableSource apply(Integer v) throws Exception {
return Completable.complete();
}
});
obsFlatMapIterable1 = osource.flatMapIterable(new Function<Integer, Iterable<Integer>>() {
@Override
public Iterable<Integer> apply(Integer v) throws Exception {
return Collections.singletonList(v);
}
});
obsFlatMapIterable0 = osource.flatMapIterable(new Function<Integer, Iterable<Integer>>() {
@Override
public Iterable<Integer> apply(Integer v) throws Exception {
return Collections.<Integer>emptyList();
}
});
// ooooooooooooooooooooooooo
obsFlatMapSingleAsObs1 = osource.flatMap(new Function<Integer, Observable<Integer>>() {
@Override
public Observable<Integer> apply(Integer v) throws Exception {
return Single.just(v).toObservable();
}
});
obsFlatMapMaybeAsObs1 = osource.flatMap(new Function<Integer, Observable<Integer>>() {
@Override
public Observable<Integer> apply(Integer v) throws Exception {
return Maybe.just(v).toObservable();
}
});
obsFlatMapMaybeAsObs0 = osource.flatMap(new Function<Integer, Observable<Integer>>() {
@Override
public Observable<Integer> apply(Integer v) throws Exception {
return Maybe.<Integer>empty().toObservable();
}
});
obsFlatMapCompletableAsObs0 = osource.flatMap(new Function<Integer, Observable<Integer>>() {
@Override
public Observable<Integer> apply(Integer v) throws Exception {
return Completable.complete().<Integer>toObservable();
}
});
obsFlatMapIterableAsObs1 = osource.flatMap(new Function<Integer, Observable<Integer>>() {
@Override
public Observable<Integer> apply(Integer v) throws Exception {
return Observable.fromIterable(Collections.singletonList(v));
}
});
obsFlatMapIterableAsObs0 = osource.flatMap(new Function<Integer, Observable<Integer>>() {
@Override
public Observable<Integer> apply(Integer v) throws Exception {
return Observable.fromIterable(Collections.<Integer>emptyList());
}
});
}
@Benchmark
public void flowFlatMapIterable1(Blackhole bh) {
flowFlatMapIterable1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapIterable0(Blackhole bh) {
flowFlatMapIterable0.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapFlowable0(Blackhole bh) {
flowFlatMapFlowable0.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapFlowable1(Blackhole bh) {
flowFlatMapFlowable1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapSingle1(Blackhole bh) {
flowFlatMapSingle1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapMaybe1(Blackhole bh) {
flowFlatMapMaybe1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapMaybe0(Blackhole bh) {
flowFlatMapMaybe0.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapCompletable0(Blackhole bh) {
flowFlatMapCompletable0.subscribe(new PerfConsumer(bh));
}
// oooooooooooooooooooooooooooooooo
@Benchmark
public void flowFlatMapIterableAsFlow1(Blackhole bh) {
flowFlatMapIterableAsFlow1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapIterableAsFlow0(Blackhole bh) {
flowFlatMapIterableAsFlow0.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapSingleAsFlow1(Blackhole bh) {
flowFlatMapSingleAsFlow1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapMaybeAsFlow1(Blackhole bh) {
flowFlatMapMaybeAsFlow1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapMaybeAsFlow0(Blackhole bh) {
flowFlatMapMaybeAsFlow0.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void flowFlatMapCompletableAsFlow0(Blackhole bh) {
flowFlatMapCompletableAsFlow0.subscribe(new PerfConsumer(bh));
}
// --------------------------------------------------------------------------------
@Benchmark
public void obsFlatMapIterable0(Blackhole bh) {
obsFlatMapIterable0.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapIterable1(Blackhole bh) {
obsFlatMapIterable1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapObservable0(Blackhole bh) {
obsFlatMapObservable0.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapObservable1(Blackhole bh) {
obsFlatMapObservable1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapSingle1(Blackhole bh) {
obsFlatMapSingle1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapMaybe1(Blackhole bh) {
obsFlatMapMaybe1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapMaybe0(Blackhole bh) {
obsFlatMapMaybe0.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapCompletable0(Blackhole bh) {
obsFlatMapCompletable0.subscribe(new PerfConsumer(bh));
}
// oooooooooooooooooooooooooooooooo
@Benchmark
public void obsFlatMapIterableAsObs1(Blackhole bh) {
obsFlatMapIterableAsObs1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapIterableAsObs0(Blackhole bh) {
obsFlatMapIterableAsObs0.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapSingleAsObs1(Blackhole bh) {
obsFlatMapSingleAsObs1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapMaybeAsObs1(Blackhole bh) {
obsFlatMapMaybeAsObs1.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapMaybeAsObs0(Blackhole bh) {
obsFlatMapMaybeAsObs0.subscribe(new PerfConsumer(bh));
}
@Benchmark
public void obsFlatMapCompletableAsObs0(Blackhole bh) {
obsFlatMapCompletableAsObs0.subscribe(new PerfConsumer(bh));
}
}
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