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70 lines
1.7 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) + 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 (fn.match(/Int/))
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) + ");",
"}"
].join("\n"));
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) + ");",
"}"
].join("\n"));
bench.start();
testFunction(buff);
bench.end(len / 1e6);
}