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.

64 lines
1.4 KiB

var common = require('../common.js');
var bench = common.createBenchmark(main, {
noAssert: [false, true],
buffer: ['fast', 'slow'],
type: ['UInt8', 'UInt16LE', 'UInt16BE',
'UInt32LE', 'UInt32BE',
'Int8', 'Int16LE', 'Int16BE',
'Int32LE', 'Int32BE',
'FloatLE', 'FloatBE',
'DoubleLE', 'DoubleBE'],
millions: [1]
});
const INT8 = 0x7f;
const INT16 = 0x7fff;
const INT32 = 0x7fffffff;
const UINT8 = INT8 * 2;
const UINT16 = INT16 * 2;
const UINT32 = INT32 * 2;
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 (fn.match(/Int/))
benchInt(buff, fn, len, noAssert);
else
benchFloat(buff, fn, len, noAssert);
}
function benchInt(buff, fn, len, noAssert) {
var m = mod[fn];
bench.start();
for (var i = 0; i < len; i++) {
buff[fn](i % m, 0, noAssert);
}
bench.end(len / 1e6);
}
function benchFloat(buff, fn, len, noAssert) {
bench.start();
for (var i = 0; i < len; i++) {
buff[fn](i * 0.1, 0, noAssert);
}
bench.end(len / 1e6);
}