Roman Elizarov | f5bc047 | 2017-02-22 11:38:13 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-2017 JetBrains s.r.o. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | // This file was automatically generated from coroutines-guide.md by Knit tool. Do not edit. |
| 18 | package guide.sync.example05 |
| 19 | |
| 20 | import kotlinx.coroutines.experimental.* |
Roman Elizarov | 9fe5f46 | 2018-02-21 19:05:52 +0300 | [diff] [blame] | 21 | import kotlin.system.* |
| 22 | import kotlin.coroutines.experimental.* |
Roman Elizarov | f5bc047 | 2017-02-22 11:38:13 +0300 | [diff] [blame] | 23 | |
Roman Elizarov | 1e45960 | 2017-02-27 11:05:17 +0300 | [diff] [blame] | 24 | suspend fun massiveRun(context: CoroutineContext, action: suspend () -> Unit) { |
| 25 | val n = 1000 // number of coroutines to launch |
| 26 | val k = 1000 // times an action is repeated by each coroutine |
Roman Elizarov | f5bc047 | 2017-02-22 11:38:13 +0300 | [diff] [blame] | 27 | val time = measureTimeMillis { |
| 28 | val jobs = List(n) { |
Roman Elizarov | 1e45960 | 2017-02-27 11:05:17 +0300 | [diff] [blame] | 29 | launch(context) { |
| 30 | repeat(k) { action() } |
Roman Elizarov | f5bc047 | 2017-02-22 11:38:13 +0300 | [diff] [blame] | 31 | } |
| 32 | } |
| 33 | jobs.forEach { it.join() } |
| 34 | } |
Roman Elizarov | 1e45960 | 2017-02-27 11:05:17 +0300 | [diff] [blame] | 35 | println("Completed ${n * k} actions in $time ms") |
Roman Elizarov | f5bc047 | 2017-02-22 11:38:13 +0300 | [diff] [blame] | 36 | } |
| 37 | |
Roman Elizarov | 1e45960 | 2017-02-27 11:05:17 +0300 | [diff] [blame] | 38 | val counterContext = newSingleThreadContext("CounterContext") |
| 39 | var counter = 0 |
Roman Elizarov | f5bc047 | 2017-02-22 11:38:13 +0300 | [diff] [blame] | 40 | |
| 41 | fun main(args: Array<String>) = runBlocking<Unit> { |
Roman Elizarov | c0e19f8 | 2017-02-27 11:59:14 +0300 | [diff] [blame] | 42 | massiveRun(counterContext) { // run each coroutine in the single-threaded context |
Roman Elizarov | 1e45960 | 2017-02-27 11:05:17 +0300 | [diff] [blame] | 43 | counter++ |
Roman Elizarov | f5bc047 | 2017-02-22 11:38:13 +0300 | [diff] [blame] | 44 | } |
Roman Elizarov | 1e45960 | 2017-02-27 11:05:17 +0300 | [diff] [blame] | 45 | println("Counter = $counter") |
Roman Elizarov | f5bc047 | 2017-02-22 11:38:13 +0300 | [diff] [blame] | 46 | } |