Cheatsheet: Performance Numbers For Software Engineers
- PDF Link: cheatsheet-performancenumber-A4.pdf, Category: interview
- Blog URL: https://cheatsheet.dennyzhang.com/cheatsheet-performancenumber-A4
- Related posts: CheatSheet: Leetcode For Code Interview, CheatSheet: Well-Known Papers For IT Industry, #denny-cheatsheets
1.1 I/O Performance
| Num | Name | Summary |
|---|---|---|
| 1 | RAM | Reading 1 MB sequentially from RAM – 0.25 ms |
| 2 | SSD | Reading 1 MB sequentially from SSD – 1 ms |
| 3 | HDD | Reading 1 MB sequentially from Disk – 20 ms |
| 4 | HDD | Disk seek – 10 ms |
| 5 | Network | Reaing 1MB from network – 10 ms |
1.2 Network Performance
| Num | Name | Summary |
|---|---|---|
| 1 | Ping between AWS AZs | Same AZ, – 1 ms |
1.3 More Resources
License: Code is licensed under MIT License.
https://gist.github.com/jboner/2841832
http://norvig.com/21-days.html#answers
