Created
September 15, 2023 10:26
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DispatcherSequential vs IO
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| object KKResearchDispatcherSequentialVsIO extends IOApp.Simple { | |
| val n = 1000_000 | |
| val tasks = ArraySeq.fill(n)(IO.unit) | |
| def run: IO[Unit] = { | |
| val viaDispatcher = Dispatcher.sequential[IO](await = true).use { dispatcher => | |
| IO(tasks.foreach(dispatcher.unsafeRunAndForget)) | |
| } | |
| val withinIORuntime = tasks.parSequence_ | |
| //viaDispatcher.timed.map(_._1.toMillis).flatMap(IO.println).foreverM | |
| withinIORuntime.timed.map(_._1.toMillis).flatMap(IO.println).foreverM | |
| } | |
| } |
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