graphql-java/src/jmh/java/benchmark/AsyncBenchmark.java at master · graphql-java/graphql-java · GitHub

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package benchmark;

import graphql.execution.Async;

import org.openjdk.jmh.annotations.Benchmark;

import org.openjdk.jmh.annotations.BenchmarkMode;

import org.openjdk.jmh.annotations.Fork;

import org.openjdk.jmh.annotations.Level;

import org.openjdk.jmh.annotations.Measurement;

import org.openjdk.jmh.annotations.Mode;

import org.openjdk.jmh.annotations.Param;

import org.openjdk.jmh.annotations.Scope;

import org.openjdk.jmh.annotations.Setup;

import org.openjdk.jmh.annotations.State;

import org.openjdk.jmh.annotations.Warmup;

import org.openjdk.jmh.runner.Runner;

import org.openjdk.jmh.runner.options.Options;

import org.openjdk.jmh.runner.options.OptionsBuilder;

import java.util.ArrayList;

import java.util.List;

import java.util.concurrent.CompletableFuture;

import java.util.concurrent.ExecutionException;

import java.util.concurrent.TimeUnit;

@State(Scope.Benchmark)

@BenchmarkMode(Mode.Throughput)

@Warmup(iterations = 2)

@Measurement(iterations = 2, timeUnit = TimeUnit.NANOSECONDS)

@Fork(2)

public class AsyncBenchmark {

@Param({"1", "5", "20"})

public int numberOfFieldCFs;

List<CompletableFuture<Object>> futures;

@Setup(Level.Trial)

public void setUp() throws ExecutionException, InterruptedException {

futures = new ArrayList<>();

for (int i = 0; i < numberOfFieldCFs; i++) {

futures.add(mkFuture(i));

}

private CompletableFuture<Object> mkFuture(int i) {

return CompletableFuture.completedFuture(i);

}

@Benchmark

@Warmup(iterations = 2, batchSize = 100)

@Measurement(iterations = 2, batchSize = 100)

public List<Object> benchmarkAsync() {

Async.CombinedBuilder<Object> builder = Async.ofExpectedSize(futures.size());

futures.forEach(builder::add);

return builder.await().join();

}

public static void main(String[] args) throws Exception {

Options opt = new OptionsBuilder()

.include("benchmark.AsyncBenchmark")

.build();

new Runner(opt).run();

}

graphql-java/src/jmh/java/benchmark/AsyncBenchmark.java at master · graphql-java/graphql-java · GitHub

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