GeezerVison is showing github.com — benchmark: split `Buffer.byteLength` benchmark · nodejs/node@d4af671
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| | 1 | +'use strict'; | | 2 | +const common = require('../common'); | | 3 | + | | 4 | +const bench = common.createBenchmark(main, { | | 5 | + len: [2, 16, 256], // x16 | | 6 | + n: [4e6], | | 7 | +}); | | 8 | + | | 9 | +function main({ n, len }) { | | 10 | + const data = Buffer.alloc(len * 16, 'a'); | | 11 | + const expected = Buffer.byteLength(data, 'buffer'); | | 12 | + let changed = false; | | 13 | + bench.start(); | | 14 | + for (let i = 0; i < n; i++) { | | 15 | + const actual = Buffer.byteLength(data, 'buffer'); | | 16 | + if (expected !== actual) { changed = true; } | | 17 | + } | | 18 | + bench.end(n); | | 19 | + if (changed) { | | 20 | + throw new Error('Result changed during iteration'); | | 21 | + } | | 22 | +} |
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| | 1 | +'use strict'; | | 2 | +const common = require('../common'); | | 3 | + | | 4 | +const bench = common.createBenchmark(main, { | | 5 | + type: ['one_byte', 'two_bytes', 'three_bytes', 'four_bytes'], | | 6 | + encoding: ['utf8', 'base64'], | | 7 | + repeat: [1, 2, 16, 256], // x16 | | 8 | + n: [4e6], | | 9 | +}); | | 10 | + | | 11 | +// 16 chars each | | 12 | +const chars = { | | 13 | + one_byte: 'hello brendan!!!', | | 14 | + two_bytes: 'ΰαβγδεζηθικλμνξο', | | 15 | + three_bytes: '挰挱挲挳挴挵挶挷挸挹挺挻挼挽挾挿', | | 16 | + four_bytes: '𠜎𠜱𠝹𠱓𠱸𠲖𠳏𠳕𠴕𠵼𠵿𠸎𠸏𠹷𠺝𠺢', | | 17 | +}; | | 18 | + | | 19 | +function getInput(type, repeat, encoding) { | | 20 | + const original = (repeat === 1) ? chars[type] : chars[type].repeat(repeat); | | 21 | + if (encoding === 'base64') { | | 22 | + Buffer.from(original, 'utf8').toString('base64'); | | 23 | + } | | 24 | + return original; | | 25 | +} | | 26 | + | | 27 | +function main({ n, repeat, encoding, type }) { | | 28 | + const data = getInput(type, repeat, encoding); | | 29 | + const expected = Buffer.byteLength(data, encoding); | | 30 | + let changed = false; | | 31 | + bench.start(); | | 32 | + for (let i = 0; i < n; i++) { | | 33 | + const actual = Buffer.byteLength(data, encoding); | | 34 | + if (expected !== actual) { changed = true; } | | 35 | + } | | 36 | + bench.end(n); | | 37 | + if (changed) { | | 38 | + throw new Error('Result changed during iteration'); | | 39 | + } | | 40 | +} |
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