X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=sidebyside;f=busy-wait.js;h=eece669424406485a677c5248337e335e4bee008;hb=47006ddf6055b02dd084ae91269f12b44ce8225d;hp=9ff5a000f72463fcb600c45644e8f95deb4e05dd;hpb=a9c78d5d3394dce4eccd9f244c88879666cba677;p=benchmarks-js.git diff --git a/busy-wait.js b/busy-wait.js index 9ff5a00..eece669 100644 --- a/busy-wait.js +++ b/busy-wait.js @@ -4,61 +4,79 @@ const { LIST_FORMATTER, sleep } = require('./benchmark-utils') const suite = new Benchmark.Suite() const timeout = 2000 +const interval = 1000 /** * @param timeoutMs */ function dummyTimeoutBusyWait (timeoutMs) { const timeoutTimestampMs = Date.now() + timeoutMs + // eslint-disable-next-line no-empty do {} while (Date.now() < timeoutTimestampMs) } /** * @param timeoutMs - * @param delayMs */ -async function divideAndConquerTimeoutBusyWait (timeoutMs, delayMs = 200) { - const tries = Math.round(timeoutMs / delayMs) +async function sleepTimeoutBusyWait (timeoutMs) { + const timeoutTimestampMs = Date.now() + timeoutMs + do { + await sleep(interval) + } while (Date.now() < timeoutTimestampMs) +} + +/** + * @param timeoutMs + * @param intervalMs + */ +async function divideAndConquerTimeoutBusyWait ( + timeoutMs, + intervalMs = interval +) { + const tries = Math.round(timeoutMs / intervalMs) let count = 0 do { count++ - await sleep(delayMs) + await sleep(intervalMs) } while (count <= tries) } /** * @param timeoutMs - * @param delayMs + * @param intervalMs */ -function setIntervalTimeoutBusyWait (timeoutMs, delayMs = 200) { - const tries = Math.round(timeoutMs / delayMs) +function setIntervalTimeoutBusyWait (timeoutMs, intervalMs = interval) { + const tries = Math.round(timeoutMs / intervalMs) let count = 0 const triesSetInterval = setInterval(() => { count++ if (count === tries) { clearInterval(triesSetInterval) } - }, delayMs) + }, intervalMs) } suite - .add('dummyTimeoutBusyWait', function () { + .add('dummyTimeoutBusyWait', () => { dummyTimeoutBusyWait(timeout) }) - .add('divideAndConquerTimeoutBusyWait', async function () { + .add('sleepTimeoutBusyWait', async () => { + await sleepTimeoutBusyWait(timeout) + }) + .add('divideAndConquerTimeoutBusyWait', async () => { await divideAndConquerTimeoutBusyWait(timeout) }) - .add('setIntervalTimeoutBusyWait', function () { + .add('setIntervalTimeoutBusyWait', () => { setIntervalTimeoutBusyWait(timeout) }) - .on('cycle', function (event) { + .on('cycle', event => { console.log(event.target.toString()) }) .on('complete', function () { console.log( 'Fastest is ' + LIST_FORMATTER.format(this.filter('fastest').map('name')) ) - // eslint-disable-next-line no-process-exit + // eslint-disable-next-line n/no-process-exit process.exit() }) .run()