-
Notifications
You must be signed in to change notification settings - Fork 29.6k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
benchmark: add bench for zlib gzip + gunzip cycle
Originally wrote this for some work that is going to take a while longer before it’s ready to be PR’ed, so it seems fine to start with this on its own. PR-URL: #20034 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
- Loading branch information
1 parent
7016ee6
commit e797d5b
Showing
2 changed files
with
46 additions
and
2 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,39 @@ | ||
'use strict'; | ||
const common = require('../common.js'); | ||
const fs = require('fs'); | ||
const zlib = require('zlib'); | ||
|
||
const bench = common.createBenchmark(main, { | ||
inputLen: [1024], | ||
duration: [5], | ||
type: ['string', 'buffer'] | ||
}); | ||
|
||
function main({ inputLen, duration, type }) { | ||
const buffer = Buffer.alloc(inputLen, fs.readFileSync(__filename)); | ||
const chunk = type === 'buffer' ? buffer : buffer.toString('utf8'); | ||
|
||
const input = zlib.createGzip(); | ||
const output = zlib.createGunzip(); | ||
|
||
let readFromOutput = 0; | ||
input.pipe(output); | ||
if (type === 'string') | ||
output.setEncoding('utf8'); | ||
output.on('data', (chunk) => readFromOutput += chunk.length); | ||
|
||
function write() { | ||
input.write(chunk, write); | ||
} | ||
|
||
bench.start(); | ||
write(); | ||
|
||
setTimeout(() => { | ||
// Give result in GBit/s, like the net benchmarks do | ||
bench.end(readFromOutput * 8 / (1024 ** 3)); | ||
|
||
// Cut off writing the easy way. | ||
input.write = () => {}; | ||
}, duration * 1000); | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters