6813080058Signed-off-by: Mert Can Altin <mertgold60@gmail.com> PR-URL: https://github.com/nodejs/node/pull/63385 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Gürgün Dayıoğlu <hey@gurgun.day>
53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
'use strict';
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const common = require('../common.js');
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const bench = common.createBenchmark(main, {
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size: [64, 1024, 16384, 262144, 4194304],
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content: ['ascii', 'latin1', 'utf8_mixed', 'latin1_then_cjk'],
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n: [1e4],
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});
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function buildBuffer(kind, size) {
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if (kind === 'ascii') {
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return Buffer.alloc(size, 0x61);
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}
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if (kind === 'latin1') {
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const pair = Buffer.from([0xC3, 0xA9]);
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const buf = Buffer.alloc(size);
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for (let i = 0; i + 2 <= size; i += 2) pair.copy(buf, i);
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return buf;
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}
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if (kind === 'utf8_mixed') {
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const cjk = Buffer.from([0xE4, 0xB8, 0xAD]);
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const buf = Buffer.alloc(size);
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let i = 0;
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while (i + 4 <= size) {
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buf[i++] = 0x61;
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cjk.copy(buf, i);
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i += 3;
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}
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return buf;
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}
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if (kind === 'latin1_then_cjk') {
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const pair = Buffer.from([0xC3, 0xA9]);
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const cjk = Buffer.from([0xE4, 0xB8, 0xAD]);
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const buf = Buffer.alloc(size);
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const mid = (size >> 1) & ~1;
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for (let i = 0; i + 2 <= mid; i += 2) pair.copy(buf, i);
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cjk.copy(buf, mid);
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for (let i = mid + 3; i + 2 <= size; i += 2) pair.copy(buf, i);
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return buf;
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}
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throw new Error('unknown content: ' + kind);
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}
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function main({ n, size, content }) {
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const buf = buildBuffer(content, size);
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bench.start();
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for (let i = 0; i < n; i++) {
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buf.toString('utf8');
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}
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bench.end(n);
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}
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