69 lines
1.5 KiB
JavaScript
69 lines
1.5 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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encoding: [
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'', 'utf8', 'ascii', 'hex', 'utf16le', 'latin1',
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],
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args: [ '', 'offset', 'offset+length' ],
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len: [2048],
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n: [1e6]
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});
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function main({ len, n, encoding, args }) {
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let string;
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let start = 0;
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const buf = Buffer.allocUnsafe(len);
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switch (args) {
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case 'offset':
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string = 'a'.repeat(Math.floor(len / 2));
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start = len - string.length;
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if (encoding) {
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bench.start();
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for (let i = 0; i < n; ++i) {
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buf.write(string, start, encoding);
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}
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bench.end(n);
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} else {
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bench.start();
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for (let i = 0; i < n; ++i) {
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buf.write(string, start);
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}
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bench.end(n);
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}
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break;
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case 'offset+length':
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string = 'a'.repeat(len);
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if (encoding) {
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bench.start();
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for (let i = 0; i < n; ++i) {
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buf.write(string, 0, buf.length, encoding);
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}
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bench.end(n);
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} else {
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bench.start();
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for (let i = 0; i < n; ++i) {
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buf.write(string, 0, buf.length);
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}
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bench.end(n);
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}
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break;
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default:
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string = 'a'.repeat(len);
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if (encoding) {
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bench.start();
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for (let i = 0; i < n; ++i) {
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buf.write(string, encoding);
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}
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bench.end(n);
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} else {
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bench.start();
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for (let i = 0; i < n; ++i) {
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buf.write(string);
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}
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bench.end(n);
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}
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}
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}
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