GeezerVison

The World Wide Web, restored to 800 pixels of glory.

GeezerVison is showing github.com — events: add unique events benchmark · nodejs/node@3bb764a

File tree

Expand file treeCollapse file tree

Open diff view settings

Filter options

benchmark/events
- ee-listen-unique.js

Expand file treeCollapse file tree

Open diff view settings

Collapse file

`‎benchmark/events/ee-listen-unique.js‎`

Copy file name to clipboard

+35Lines changed: 35 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,35 @@`
	`1`	`+'use strict';`
	`2`	`+const common = require('../common.js');`
	`3`	`+const { EventEmitter } = require('events');`
	`4`	`+`
	`5`	`+const bench = common.createBenchmark(main, {`
	`6`	`+ events: [1, 2, 3, 5, 10, 20],`
	`7`	`+ n: [1e6],`
	`8`	`+});`
	`9`	`+`
	`10`	`+function main({ events, n }) {`
	`11`	`+ const ee = new EventEmitter();`
	`12`	`+ const listeners = [];`
	`13`	`+`
	`14`	`+ for (let k = 0; k < 10; k += 1)`
	`15`	`+ listeners.push(() => {});`
	`16`	`+`
	`17`	`+ const eventNames = [];`
	`18`	`+ for (let k = 0; k < events; ++k)`
	`19`	+ eventNames.push(`dummy${k}`);
	`20`	`+`
	`21`	`+ bench.start();`
	`22`	`+ for (let i = 0; i < n; i += 1) {`
	`23`	`+ for (const eventName of eventNames) {`
	`24`	`+ for (let k = listeners.length; --k >= 0; /* empty */) {`
	`25`	`+ ee.on(eventName, listeners[k]);`
	`26`	`+ }`
	`27`	`+ }`
	`28`	`+ for (const eventName of eventNames) {`
	`29`	`+ for (let k = listeners.length; --k >= 0; /* empty */) {`
	`30`	`+ ee.removeListener(eventName, listeners[k]);`
	`31`	`+ }`
	`32`	`+ }`
	`33`	`+ }`
	`34`	`+ bench.end(n);`
	`35`	`+}`

0 commit comments

Comments

0 (0)

You are visitor 01402503 — GeezerVison does not store the pages you look up.
Best viewed with Netscape Navigator 4.7 or Internet Explorer 6 at 800×600. No cookies required.