node/benchmark/buffers/buffer-read.js

'use strict';
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]
});

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 = 'read' + conf.type;

  buff.writeDoubleLE(0, 0, noAssert);
  var testFunction = new Function('buff', [
    'for (var i = 0; i !== ' + len + '; i++) {',
    '  buff.' + fn + '(0, ' + JSON.stringify(noAssert) + ');',
    '}'
  ].join('\n'));
  bench.start();
  testFunction(buff);
  bench.end(len / 1e6);
}