max.mjs

   1 import Benchmark from 'benny'
   2 import { generateRandomNumberArray } from './benchmark-utils.mjs'
   3
   4 const size = 10000
   5 const testArray = generateRandomNumberArray(size)
   6
   7 /**
   8  *
   9  * @param values
  10  * @returns
  11  */
  12 function loopMax (values) {
  13   let max = -Infinity
  14   for (const value of values) {
  15     if (value > max) max = value
  16   }
  17   return max
  18 }
  19
  20 /**
  21  *
  22  * @param values
  23  * @returns
  24  */
  25 function reduceTernaryMax (values) {
  26   return values.reduce((a, b) => (a > b ? a : b), -Infinity)
  27 }
  28
  29 /**
  30  *
  31  * @param values
  32  * @returns
  33  */
  34 function reduceMathMax (values) {
  35   return values.reduce((a, b) => Math.max(a, b), -Infinity)
  36 }
  37
  38 /**
  39  *
  40  * @param values
  41  * @returns
  42  */
  43 function sortMax (values) {
  44   return values.sort((a, b) => b - a)[0]
  45 }
  46
  47 Benchmark.suite(
  48   `Max from ${size} numbers`,
  49   Benchmark.add('Math.max', () => {
  50     Math.max(...testArray)
  51   }),
  52   Benchmark.add('loopMax', () => {
  53     loopMax(testArray)
  54   }),
  55   Benchmark.add('reduceTernaryMax', () => {
  56     reduceTernaryMax(testArray)
  57   }),
  58   Benchmark.add('reduceMath.max', () => {
  59     reduceMathMax(testArray)
  60   }),
  61   Benchmark.add('sortMax', () => {
  62     sortMax(testArray)
  63   }),
  64   Benchmark.cycle(),
  65   Benchmark.complete(),
  66   Benchmark.save({ file: 'max', format: 'json', details: true }),
  67   Benchmark.save({ file: 'max', format: 'chart.html', details: true }),
  68   Benchmark.save({ file: 'max', format: 'table.html', details: true })
  69 ).catch(err => {
  70   console.error(err)
  71 })