max.mjs

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