mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
1.6 KiB
82 lines
1.6 KiB
'use strict';
|
|
var common = require('../common.js');
|
|
|
|
var types = [
|
|
'UInt8',
|
|
'UInt16LE',
|
|
'UInt16BE',
|
|
'UInt32LE',
|
|
'UInt32BE',
|
|
'Int8',
|
|
'Int16LE',
|
|
'Int16BE',
|
|
'Int32LE',
|
|
'Int32BE',
|
|
'FloatLE',
|
|
'FloatBE',
|
|
'DoubleLE',
|
|
'DoubleBE'
|
|
];
|
|
|
|
var bench = common.createBenchmark(main, {
|
|
noAssert: ['false', 'true'],
|
|
buffer: ['fast', 'slow'],
|
|
type: types,
|
|
millions: [1]
|
|
});
|
|
|
|
const INT8 = 0x7f;
|
|
const INT16 = 0x7fff;
|
|
const INT32 = 0x7fffffff;
|
|
const UINT8 = (INT8 * 2) + 1;
|
|
const UINT16 = (INT16 * 2) + 1;
|
|
const UINT32 = INT32;
|
|
|
|
var mod = {
|
|
writeInt8: INT8,
|
|
writeInt16BE: INT16,
|
|
writeInt16LE: INT16,
|
|
writeInt32BE: INT32,
|
|
writeInt32LE: INT32,
|
|
writeUInt8: UINT8,
|
|
writeUInt16BE: UINT16,
|
|
writeUInt16LE: UINT16,
|
|
writeUInt32BE: UINT32,
|
|
writeUInt32LE: UINT32
|
|
};
|
|
|
|
function main(conf) {
|
|
var noAssert = conf.noAssert === 'true';
|
|
var len = +conf.millions * 1e6;
|
|
var clazz = conf.buf === 'fast' ? Buffer : require('buffer').SlowBuffer;
|
|
var buff = new clazz(8);
|
|
var fn = `write${conf.type}`;
|
|
|
|
if (/Int/.test(fn))
|
|
benchInt(buff, fn, len, noAssert);
|
|
else
|
|
benchFloat(buff, fn, len, noAssert);
|
|
}
|
|
|
|
function benchInt(buff, fn, len, noAssert) {
|
|
var m = mod[fn];
|
|
var testFunction = new Function('buff', `
|
|
for (var i = 0; i !== ${len}; i++) {
|
|
buff.${fn}(i & ${m}, 0, ${JSON.stringify(noAssert)});
|
|
}
|
|
`);
|
|
bench.start();
|
|
testFunction(buff);
|
|
bench.end(len / 1e6);
|
|
}
|
|
|
|
function benchFloat(buff, fn, len, noAssert) {
|
|
var testFunction = new Function('buff', `
|
|
for (var i = 0; i !== ${len}; i++) {
|
|
buff.${fn}(i, 0, ${JSON.stringify(noAssert)});
|
|
}
|
|
`);
|
|
bench.start();
|
|
testFunction(buff);
|
|
bench.end(len / 1e6);
|
|
}
|
|
|