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[benchmarks-js.git] / busy-wait.js

diff --git a/busy-wait.js b/busy-wait.js
index 9ff5a000f72463fcb600c45644e8f95deb4e05dd..eece669424406485a677c5248337e335e4bee008 100644 (file)
--- 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()