max.js

   1 const Benchmark = require('benny')
   2 const { generateRandomNumberArray } = require('./benchmark-utils')
   3
   4 const testArray = generateRandomNumberArray(10000)
   5
   6 /**
   7  *
   8  * @param values
   9  * @returns
  10  */
  11 function loopMax (values) {
  12   let max = -Infinity
  13   for (const value of values) {
  14     if (value > max) max = value
  15   }
  16   return max
  17 }
  18
  19 /**
  20  *
  21  * @param values
  22  * @returns
  23  */
  24 function reduceTernaryMax (values) {
  25   return values.reduce((a, b) => (a > b ? a : b), -Infinity)
  26 }
  27
  28 /**
  29  *
  30  * @param values
  31  * @returns
  32  */
  33 function reduceMathMax (values) {
  34   return values.reduce((a, b) => Math.max(a, b), -Infinity)
  35 }
  36
  37 /**
  38  *
  39  * @param values
  40  * @returns
  41  */
  42 function sortMax (values) {
  43   return values.sort((a, b) => b - a)[0]
  44 }
  45
  46 Benchmark.suite(
  47   'max',
  48   Benchmark.add('Math.max', () => {
  49     Math.max(...testArray)
  50   }),
  51   Benchmark.add('loopMax', () => {
  52     loopMax(testArray)
  53   }),
  54   Benchmark.add('reduceTernaryMax', () => {
  55     reduceTernaryMax(testArray)
  56   }),
  57   Benchmark.add('reduceMath.max', () => {
  58     reduceMathMax(testArray)
  59   }),
  60   Benchmark.add('sortMax', () => {
  61     sortMax(testArray)
  62   }),
  63   Benchmark.cycle(),
  64   Benchmark.complete(),
  65   Benchmark.save({ file: 'max', format: 'json', details: true }),
  66   Benchmark.save({ file: 'max', format: 'chart.html', details: true }),
  67   Benchmark.save({ file: 'max', format: 'table.html', details: true })
  68 )