| 1 | const { randomInt } = require('node:crypto') |
| 2 | const { |
| 3 | existsSync, |
| 4 | mkdirSync, |
| 5 | readFileSync, |
| 6 | rmSync, |
| 7 | writeFileSync |
| 8 | } = require('node:fs') |
| 9 | const { TaskFunctions } = require('./benchmarks-types.cjs') |
| 10 | |
| 11 | const jsonIntegerSerialization = n => { |
| 12 | for (let i = 0; i < n; i++) { |
| 13 | const o = { |
| 14 | a: i |
| 15 | } |
| 16 | JSON.stringify(o) |
| 17 | } |
| 18 | return { ok: 1 } |
| 19 | } |
| 20 | |
| 21 | /** |
| 22 | * @param {number} n - The number of fibonacci numbers to generate. |
| 23 | * @returns {number} - The nth fibonacci number. |
| 24 | */ |
| 25 | const fibonacci = n => { |
| 26 | n = BigInt(n) |
| 27 | let current = 1n |
| 28 | let previous = 0n |
| 29 | while (--n) { |
| 30 | const tmp = current |
| 31 | current += previous |
| 32 | previous = tmp |
| 33 | } |
| 34 | // cluster worker do not support BigInt |
| 35 | return current.toString() |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * @param {number} n - The number to calculate the factorial of. |
| 40 | * @returns {number} - The factorial of n. |
| 41 | */ |
| 42 | const factorial = n => { |
| 43 | if (n === 0 || n === 1) { |
| 44 | return 1n |
| 45 | } else { |
| 46 | n = BigInt(n) |
| 47 | let factorial = 1n |
| 48 | for (let i = 1n; i <= n; i++) { |
| 49 | factorial *= i |
| 50 | } |
| 51 | // cluster worker do not support BigInt |
| 52 | return factorial.toString() |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | const readWriteFiles = ( |
| 57 | n, |
| 58 | baseDirectory = `/tmp/poolifier-benchmarks/${randomInt(281474976710655)}` |
| 59 | ) => { |
| 60 | if (existsSync(baseDirectory) === true) { |
| 61 | rmSync(baseDirectory, { recursive: true }) |
| 62 | } |
| 63 | mkdirSync(baseDirectory, { recursive: true }) |
| 64 | for (let i = 0; i < n; i++) { |
| 65 | const filePath = `${baseDirectory}/${i}` |
| 66 | writeFileSync(filePath, i.toString(), { |
| 67 | encoding: 'utf8', |
| 68 | flag: 'a' |
| 69 | }) |
| 70 | readFileSync(filePath, 'utf8') |
| 71 | } |
| 72 | rmSync(baseDirectory, { recursive: true }) |
| 73 | return { ok: 1 } |
| 74 | } |
| 75 | |
| 76 | const executeTaskFunction = data => { |
| 77 | switch (data.function) { |
| 78 | case TaskFunctions.jsonIntegerSerialization: |
| 79 | return jsonIntegerSerialization(data.taskSize || 1000) |
| 80 | case TaskFunctions.fibonacci: |
| 81 | return fibonacci(data.taskSize || 1000) |
| 82 | case TaskFunctions.factorial: |
| 83 | return factorial(data.taskSize || 1000) |
| 84 | case TaskFunctions.readWriteFiles: |
| 85 | return readWriteFiles(data.taskSize || 1000) |
| 86 | default: |
| 87 | throw new Error('Unknown task function') |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | module.exports = { |
| 92 | executeTaskFunction |
| 93 | } |