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stream: improve stream creation performance
PR-URL: #19401 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Minwoo Jung <[email protected]> Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]>
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,55 @@ | ||
'use strict'; | ||
const common = require('../common.js'); | ||
const Duplex = require('stream').Duplex; | ||
const Readable = require('stream').Readable; | ||
const Transform = require('stream').Transform; | ||
const Writable = require('stream').Writable; | ||
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const bench = common.createBenchmark(main, { | ||
n: [50e6], | ||
kind: ['duplex', 'readable', 'transform', 'writable'] | ||
}); | ||
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function main({ n, kind }) { | ||
var i = 0; | ||
switch (kind) { | ||
case 'duplex': | ||
new Duplex({}); | ||
new Duplex(); | ||
|
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bench.start(); | ||
for (; i < n; ++i) | ||
new Duplex(); | ||
bench.end(n); | ||
break; | ||
case 'readable': | ||
new Readable({}); | ||
new Readable(); | ||
|
||
bench.start(); | ||
for (; i < n; ++i) | ||
new Readable(); | ||
bench.end(n); | ||
break; | ||
case 'writable': | ||
new Writable({}); | ||
new Writable(); | ||
|
||
bench.start(); | ||
for (; i < n; ++i) | ||
new Writable(); | ||
bench.end(n); | ||
break; | ||
case 'transform': | ||
new Transform({}); | ||
new Transform(); | ||
|
||
bench.start(); | ||
for (; i < n; ++i) | ||
new Transform(); | ||
bench.end(n); | ||
break; | ||
default: | ||
throw new Error('Invalid kind'); | ||
} | ||
} |
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