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82 lines
1.7 KiB
82 lines
1.7 KiB
'use strict';
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var common = require('../common.js');
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var 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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var 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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var 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(conf) {
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var noAssert = conf.noAssert === 'true';
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var len = +conf.millions * 1e6;
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var clazz = conf.buf === 'fast' ? Buffer : require('buffer').SlowBuffer;
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var buff = new clazz(8);
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var fn = 'write' + conf.type;
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if (fn.match(/Int/))
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benchInt(buff, fn, len, noAssert);
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else
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benchFloat(buff, fn, len, noAssert);
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}
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function benchInt(buff, fn, len, noAssert) {
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var m = mod[fn];
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var testFunction = new Function('buff', [
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'for (var i = 0; i !== ' + len + '; i++) {',
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' buff.' + fn + '(i & ' + m + ', 0, ' + JSON.stringify(noAssert) + ');',
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'}'
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].join('\n'));
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bench.start();
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testFunction(buff);
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bench.end(len / 1e6);
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}
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function benchFloat(buff, fn, len, noAssert) {
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var testFunction = new Function('buff', [
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'for (var i = 0; i !== ' + len + '; i++) {',
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' buff.' + fn + '(i, 0, ' + JSON.stringify(noAssert) + ');',
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'}'
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].join('\n'));
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bench.start();
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testFunction(buff);
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bench.end(len / 1e6);
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}
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