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