cb13c7c653PR-URL: https://github.com/nodejs/node/pull/18320 Reviewed-By: James M Snell <jasnell@gmail.com>
74 lines
1.5 KiB
JavaScript
74 lines
1.5 KiB
JavaScript
'use strict';
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const common = require('../common.js');
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const types = [
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'UInt8',
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'UInt16LE',
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'UInt16BE',
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'UInt32LE',
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'UInt32BE',
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'Int8',
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'Int16LE',
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'Int16BE',
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'Int32LE',
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'Int32BE',
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'FloatLE',
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'FloatBE',
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'DoubleLE',
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'DoubleBE'
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];
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const bench = common.createBenchmark(main, {
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noAssert: ['false', 'true'],
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buffer: ['fast', 'slow'],
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type: types,
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millions: [1]
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});
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const INT8 = 0x7f;
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const INT16 = 0x7fff;
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const INT32 = 0x7fffffff;
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const UINT8 = (INT8 * 2) + 1;
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const UINT16 = (INT16 * 2) + 1;
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const UINT32 = INT32;
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const mod = {
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writeInt8: INT8,
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writeInt16BE: INT16,
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writeInt16LE: INT16,
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writeInt32BE: INT32,
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writeInt32LE: INT32,
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writeUInt8: UINT8,
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writeUInt16BE: UINT16,
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writeUInt16LE: UINT16,
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writeUInt32BE: UINT32,
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writeUInt32LE: UINT32
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};
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function main({ noAssert, millions, buf, type }) {
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const clazz = buf === 'fast' ? Buffer : require('buffer').SlowBuffer;
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const buff = new clazz(8);
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const fn = `write${type || 'UInt8'}`;
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if (/Int/.test(fn))
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benchInt(buff, fn, millions, noAssert);
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else
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benchFloat(buff, fn, millions, noAssert);
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}
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function benchInt(buff, fn, millions, noAssert) {
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const m = mod[fn];
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bench.start();
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for (var i = 0; i !== millions * 1e6; i++) {
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buff[fn](i & m, 0, noAssert);
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}
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bench.end(millions);
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}
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function benchFloat(buff, fn, millions, noAssert) {
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bench.start();
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for (var i = 0; i !== millions * 1e6; i++) {
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buff[fn](i, 0, noAssert);
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}
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bench.end(millions);
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}
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