// This file was automatically generated from shared-mutable-state-and-concurrency.md by Knit tool. Do not edit. package kotlinx.coroutines.guide.exampleSync03 import kotlinx.coroutines.* import java.util.concurrent.atomic.* import kotlin.system.* suspend fun massiveRun(action: suspend () -> Unit) { val n = 100 // number of coroutines to launch val k = 1000 // times an action is repeated by each coroutine val time = measureTimeMillis { coroutineScope { // scope for coroutines repeat(n) { launch { repeat(k) { action() } } } } } println("Completed ${n * k} actions in $time ms") } val counter = AtomicInteger() fun main() = runBlocking { withContext(Dispatchers.Default) { massiveRun { counter.incrementAndGet() } } println("Counter = $counter") }