build(deps-dev): apply updates
[benchmarks-js.git] / busy-wait.mjs
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4676a95c 1import { bench, group, run } from 'tatami-ng'
0c01f51c 2
95d31631 3import { sleep } from './benchmark-utils.mjs'
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4
5const timeout = 2000
a8bf8b7d 6const interval = 1000
ed2968f2 7
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8/**
9 * @param timeoutMs
10 */
11function dummyTimeoutBusyWait (timeoutMs) {
41672b12 12 const timeoutTimestampMs = performance.now() + timeoutMs
7fd91296 13 // eslint-disable-next-line no-empty
41672b12 14 do {} while (performance.now() < timeoutTimestampMs)
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15}
16
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17/**
18 * @param timeoutMs
eab47c66 19 * @param intervalMs
e9bfc28e 20 */
eab47c66 21async function sleepTimeoutBusyWait (timeoutMs, intervalMs = interval) {
41672b12 22 const timeoutTimestampMs = performance.now() + timeoutMs
a8bf8b7d 23 do {
eab47c66 24 await sleep(intervalMs)
41672b12 25 } while (performance.now() < timeoutTimestampMs)
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26}
27
28/**
29 * @param timeoutMs
e47f67db 30 * @param intervalMs
a9c78d5d 31 */
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32async function divideAndConquerTimeoutBusyWait (
33 timeoutMs,
34 intervalMs = interval
35) {
e47f67db 36 const tries = Math.round(timeoutMs / intervalMs)
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37 let count = 0
38 do {
39 count++
e47f67db 40 await sleep(intervalMs)
a9c78d5d 41 } while (count <= tries)
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42}
43
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44/**
45 * @param timeoutMs
e47f67db 46 * @param intervalMs
e9bfc28e 47 */
eab47c66 48async function setIntervalTimeoutBusyWait (timeoutMs, intervalMs = interval) {
bcd364e0 49 await new Promise(resolve => {
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50 const tries = Math.round(timeoutMs / intervalMs)
51 let count = 0
52 const triesSetInterval = setInterval(() => {
53 count++
54 if (count === tries) {
55 clearInterval(triesSetInterval)
bcd364e0 56 resolve()
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57 }
58 }, intervalMs)
59 })
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60}
61
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62group('Busy wait', () => {
63 bench('dummyTimeoutBusyWait', () => {
a6c34381 64 dummyTimeoutBusyWait(timeout)
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65 })
66 bench('sleepTimeoutBusyWait', async () => {
ed40d2b0 67 await sleepTimeoutBusyWait(timeout)
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68 })
69 bench('divideAndConquerTimeoutBusyWait', async () => {
a9c78d5d 70 await divideAndConquerTimeoutBusyWait(timeout)
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71 })
72 bench('setIntervalTimeoutBusyWait', async () => {
eab47c66 73 await setIntervalTimeoutBusyWait(timeout)
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74 })
75})
76
77await run({
ebf80fe4 78 units: true,
ab9a08f3 79})