| 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 loopMax (values) { |
| 14 | let maximum = Number.NEGATIVE_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 | Number.NEGATIVE_INFINITY |
| 30 | ) |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * |
| 35 | * @param values |
| 36 | * @returns |
| 37 | */ |
| 38 | function reduceMathMax (values) { |
| 39 | return values.reduce( |
| 40 | (maximum, num) => Math.max(maximum, num), |
| 41 | Number.NEGATIVE_INFINITY |
| 42 | ) |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * |
| 47 | * @param values |
| 48 | * @returns |
| 49 | */ |
| 50 | function sortMax (values) { |
| 51 | return values.sort((a, b) => b - a)[0] |
| 52 | } |
| 53 | |
| 54 | group(`Max from ${size} numbers`, () => { |
| 55 | bench('Math.max', () => { |
| 56 | Math.max(...testArray) |
| 57 | }) |
| 58 | bench('loopMax', () => { |
| 59 | loopMax(testArray) |
| 60 | }) |
| 61 | bench('reduceTernaryMax', () => { |
| 62 | reduceTernaryMax(testArray) |
| 63 | }) |
| 64 | bench('reduceMathMax', () => { |
| 65 | reduceMathMax(testArray) |
| 66 | }) |
| 67 | bench('sortMax', () => { |
| 68 | sortMax(testArray) |
| 69 | }) |
| 70 | }) |
| 71 | |
| 72 | await run({ |
| 73 | units: true, |
| 74 | }) |