min.mjs

   1 import { bench, group, run } from 'tatami-ng'
   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 loopMin (values) {
  14   let minimum = Number.POSITIVE_INFINITY
  15   for (const value of values) {
  16     if (value < minimum) minimum = value
  17   }
  18   return minimum
  19 }
  20
  21 /**
  22  *
  23  * @param values
  24  * @returns
  25  */
  26 function reduceTernaryMin (values) {
  27   return values.reduce(
  28     (minimum, num) => (minimum < num ? minimum : num),
  29     Number.POSITIVE_INFINITY
  30   )
  31 }
  32
  33 /**
  34  *
  35  * @param values
  36  * @returns
  37  */
  38 function reduceMathMin (values) {
  39   return values.reduce(
  40     (minimum, num) => Math.min(minimum, num),
  41     Number.POSITIVE_INFINITY
  42   )
  43 }
  44
  45 /**
  46  *
  47  * @param values
  48  * @returns
  49  */
  50 function sortMin (values) {
  51   return values.sort((a, b) => a - b)[0]
  52 }
  53
  54 group(`Min from ${size} numbers`, () => {
  55   bench('Math.min', () => {
  56     Math.min(...testArray)
  57   })
  58   bench('loopMin', () => {
  59     loopMin(testArray)
  60   })
  61   bench('reduceTernaryMin', () => {
  62     reduceTernaryMin(testArray)
  63   })
  64   bench('reduceMathMin', () => {
  65     reduceMathMin(testArray)
  66   })
  67   bench('sortMin', () => {
  68     sortMin(testArray)
  69   })
  70 })
  71
  72 await run({
  73   units: true
  74 })