mirror of https://github.com/nodejs/node.git
47 lines
1.0 KiB
JavaScript
47 lines
1.0 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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noAssert: ['false', 'true'],
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type: ['Double', 'Float'],
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endian: ['BE', 'LE'],
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value: ['zero', 'big', 'small', 'inf', 'nan'],
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millions: [1]
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});
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function main(conf) {
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const noAssert = conf.noAssert === 'true';
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const len = +conf.millions * 1e6;
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const buff = Buffer.alloc(8);
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const type = conf.type || 'Double';
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const endian = conf.endian;
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const fn = `read${type}${endian}`;
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const values = {
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Double: {
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zero: 0,
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big: 2 ** 1023,
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small: 2 ** -1074,
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inf: Infinity,
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nan: NaN,
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},
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Float: {
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zero: 0,
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big: 2 ** 127,
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small: 2 ** -149,
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inf: Infinity,
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nan: NaN,
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},
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};
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const value = values[type][conf.value];
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buff[`write${type}${endian}`](value, 0, noAssert);
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const testFunction = new Function('buff', `
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for (var i = 0; i !== ${len}; i++) {
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buff.${fn}(0, ${JSON.stringify(noAssert)});
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}
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`);
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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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