Decision Workspace
fast-fibonacci vs fastrand vs fast-down
Side-by-side comparison of Rust crates
43
fast-fibonacci
growingv0.2.0
Quickly find nth fibonacci number with modulo. Supports u64 and BigUint.
67
fastrand
growingv2.3.0
A simple and fast random number generator
67
fast-down
growingv4.0.1
Download everything fast
Core Metrics
| fast-fibonacci | fastrand | fast-down | |
|---|---|---|---|
| Health Score | 43 | 67 | 67 |
| Total Downloads | 18.9K | 555.8M | 13.9K |
| 30d Downloads | 909 | 36.9M | 1.0K |
| Dependents | 0 | 43.9K | 42 |
| Releases | 4 | 27 | 49 |
| Last Updated | 1985d ago | 474d ago | today |
| Age | 5y 5m | 5y 10m | 11m |
Health Breakdown
fast-fibonacci
Maintenance
9
Quality
15
Community
5
Popularity
5
Documentation
9
fastrand
Maintenance
8
Quality
21
Community
19
Popularity
8
Documentation
11
fast-down
Maintenance
19
Quality
20
Community
10
Popularity
5
Documentation
13
Technical Details
| fast-fibonacci | fastrand | fast-down | |
|---|---|---|---|
| Version | 0.2.0 | 2.3.0 | 4.0.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | GPL-3.0-or-later | Apache-2.0 OR MIT | MIT |
| Dependencies | 3 | 6 | 14 |
| Crate Size | 15KB | 15KB | 28KB |
| Features | 0 | 4 | 10 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2018 | 2024 |
| MSRV | — | 1.36 | — |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •fastrand leads with a health score of 67/100, but none of the options score above 80.
- •fastrand is depended on by 43.9K crates — strongest ecosystem trust.
- •⚠ fast-fibonacci, fastrand have not been updated in over a year.
- •fast-fibonacci is pre-1.0 — API may change.