| 1 | 'use strict' |
| 2 | /** |
| 3 | * The worker function to execute during pools benchmarks. |
| 4 | * NOTE: This function requires to be self-contained, thread-safe and re-entrant. |
| 5 | * @param {*} data The worker data. |
| 6 | * @returns {*} The result. |
| 7 | */ |
| 8 | module.exports = function functionToBench (data) { |
| 9 | const crypto = require('crypto') |
| 10 | const fs = require('fs') |
| 11 | const TaskTypes = { |
| 12 | CPU_INTENSIVE: 'CPU_INTENSIVE', |
| 13 | IO_INTENSIVE: 'IO_INTENSIVE' |
| 14 | } |
| 15 | data = data || {} |
| 16 | data.taskType = data.taskType || TaskTypes.CPU_INTENSIVE |
| 17 | data.taskSize = data.taskSize || 5000 |
| 18 | const baseDirectory = `/tmp/poolifier-benchmarks/${crypto.randomInt( |
| 19 | 281474976710655 |
| 20 | )}` |
| 21 | switch (data.taskType) { |
| 22 | case TaskTypes.CPU_INTENSIVE: |
| 23 | // CPU intensive task |
| 24 | for (let i = 0; i < data.taskSize; i++) { |
| 25 | const o = { |
| 26 | a: i |
| 27 | } |
| 28 | JSON.stringify(o) |
| 29 | } |
| 30 | return { ok: 1 } |
| 31 | case TaskTypes.IO_INTENSIVE: |
| 32 | // IO intensive task |
| 33 | if (fs.existsSync(baseDirectory) === true) { |
| 34 | fs.rmSync(baseDirectory, { recursive: true }) |
| 35 | } |
| 36 | fs.mkdirSync(baseDirectory, { recursive: true }) |
| 37 | for (let i = 0; i < data.taskSize; i++) { |
| 38 | const filePath = `${baseDirectory}/${i}` |
| 39 | fs.writeFileSync(filePath, i.toString(), { |
| 40 | encoding: 'utf8', |
| 41 | flag: 'a' |
| 42 | }) |
| 43 | fs.readFileSync(filePath, 'utf8') |
| 44 | } |
| 45 | fs.rmSync(baseDirectory, { recursive: true }) |
| 46 | return { ok: 1 } |
| 47 | default: |
| 48 | throw new Error(`Unknown task type: ${data.taskType}`) |
| 49 | } |
| 50 | } |