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/*
* Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package benchmarks.flow
import kotlinx.coroutines.*
import kotlinx.coroutines.flow.*
import org.openjdk.jmh.annotations.*
import java.util.concurrent.*
import benchmarks.flow.scrabble.flow as unsafeFlow
import kotlinx.coroutines.flow.flow as safeFlow
@Warmup(iterations = 7, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 7, time = 1, timeUnit = TimeUnit.SECONDS)
@Fork(value = 1)
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
@State(Scope.Benchmark)
open class SafeFlowBenchmark {
private fun numbersSafe() = safeFlow {
for (i in 2L..1000L) emit(i)
}
private fun numbersUnsafe() = unsafeFlow {
for (i in 2L..1000L) emit(i)
}
@Benchmark
fun safeNumbers(): Int = runBlocking {
numbersSafe().count()
}
@Benchmark
fun unsafeNumbers(): Int = runBlocking {
numbersUnsafe().count()
}
}
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