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 = 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     Infinity
  30   )
  31 }
  32
  33 /**
  34  *
  35  * @param values
  36  * @returns
  37  */
  38 function reduceMathMin (values) {
  39   return values.reduce((minimum, num) => Math.min(minimum, num), Infinity)
  40 }
  41
  42 /**
  43  *
  44  * @param values
  45  * @returns
  46  */
  47 function sortMin (values) {
  48   return values.sort((a, b) => a - b)[0]
  49 }
  50
  51 group(`Min from ${size} numbers`, () => {
  52   bench('Math.min', () => {
  53     Math.min(...testArray)
  54   })
  55   bench('loopMin', () => {
  56     loopMin(testArray)
  57   })
  58   bench('reduceTernaryMin', () => {
  59     reduceTernaryMin(testArray)
  60   })
  61   bench('reduceMathMin', () => {
  62     reduceMathMin(testArray)
  63   })
  64   bench('sortMin', () => {
  65     sortMin(testArray)
  66   })
  67 })
  68
  69 await run({
  70   units: true
  71 })