X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=busy-wait.js;h=eece669424406485a677c5248337e335e4bee008;hb=67bc719403008a754ddd75d921eea5be7ed772d1;hp=4742018a698db86fb50aadb5656d42fde29d8f56;hpb=ed2968f2ee816cb47841f537bcbfb8590aa7bbb9;p=benchmarks-js.git

diff --git a/busy-wait.js b/busy-wait.js
index 4742018..eece669 100644
--- a/busy-wait.js
+++ b/busy-wait.js
@@ -1,41 +1,82 @@
 const Benchmark = require('benchmark')
-const { LIST_FORMATTER } = require('./benchmark-utils')
+const { LIST_FORMATTER, sleep } = require('./benchmark-utils')
 
 const suite = new Benchmark.Suite()
 
 const timeout = 2000
+const interval = 1000
 
+/**
+ * @param timeoutMs
+ */
 function dummyTimeoutBusyWait (timeoutMs) {
-  const timeoutDateMs = Date.now() + timeoutMs
-  do {} while (Date.now() < timeoutDateMs)
+  const timeoutTimestampMs = Date.now() + timeoutMs
+  // eslint-disable-next-line no-empty
+  do {} while (Date.now() < timeoutTimestampMs)
 }
 
-function setIntervalTimeoutBusyWait (timeoutMs, delayMs = 200) {
-  const tries = Math.round(timeoutMs / delayMs)
+/**
+ * @param timeoutMs
+ */
+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(intervalMs)
+  } while (count <= tries)
+}
+
+/**
+ * @param timeoutMs
+ * @param intervalMs
+ */
+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('setIntervalTimeoutBusyWait', function () {
+  .add('sleepTimeoutBusyWait', async () => {
+    await sleepTimeoutBusyWait(timeout)
+  })
+  .add('divideAndConquerTimeoutBusyWait', async () => {
+    await divideAndConquerTimeoutBusyWait(timeout)
+  })
+  .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()