'use strict'; const common = require('../common.js'); const types = [ 'UInt8', 'UInt16LE', 'UInt16BE', 'UInt32LE', 'UInt32BE', 'UIntLE', 'UIntBE', 'Int8', 'Int16LE', 'Int16BE', 'Int32LE', 'Int32BE', 'IntLE', 'IntBE', 'FloatLE', 'FloatBE', 'DoubleLE', 'DoubleBE', ]; const bench = common.createBenchmark(main, { buffer: ['fast', 'slow'], type: types, n: [1e6] }); const INT8 = 0x7f; const INT16 = 0x7fff; const INT32 = 0x7fffffff; const INT48 = 0x7fffffffffff; const UINT8 = 0xff; const UINT16 = 0xffff; const UINT32 = 0xffffffff; const mod = { writeInt8: INT8, writeInt16BE: INT16, writeInt16LE: INT16, writeInt32BE: INT32, writeInt32LE: INT32, writeUInt8: UINT8, writeUInt16BE: UINT16, writeUInt16LE: UINT16, writeUInt32BE: UINT32, writeUInt32LE: UINT32, writeUIntLE: INT8, writeUIntBE: INT16, writeIntLE: INT32, writeIntBE: INT48 }; const byteLength = { writeUIntLE: 1, writeUIntBE: 2, writeIntLE: 4, writeIntBE: 6 }; function main({ n, buf, type }) { const clazz = buf === 'fast' ? Buffer : require('buffer').SlowBuffer; const buff = new clazz(8); const fn = `write${type || 'UInt8'}`; if (!/\d/.test(fn)) benchSpecialInt(buff, fn, n); else if (/Int/.test(fn)) benchInt(buff, fn, n); else benchFloat(buff, fn, n); } function benchInt(buff, fn, n) { const m = mod[fn]; bench.start(); for (var i = 0; i !== n; i++) { buff[fn](i & m, 0); } bench.end(n); } function benchSpecialInt(buff, fn, n) { const m = mod[fn]; const byte = byteLength[fn]; bench.start(); for (var i = 0; i !== n; i++) { buff[fn](i & m, 0, byte); } bench.end(n); } function benchFloat(buff, fn, n) { bench.start(); for (var i = 0; i !== n; i++) { buff[fn](i, 0); } bench.end(n); }