Decision Workspace
quickfib vs fib-rs vs i256
Side-by-side comparison of Rust crates
41
quickfib
growingv1.0.0
A no_std compatible Fibonacci calculation algorithm implemented in Rust.
59
fib-rs
growingv1.2.6
A highly optimized Fibonacci number calculator for Rust that efficiently computes arbitrarily large Fibonacci numbers.
58
i256
growingv0.2.3
Optimized implementations of 256-bit signed and unsigned integers.
Core Metrics
| quickfib | fib-rs | i256 | |
|---|---|---|---|
| Health Score | 41 | 59 | 58 |
| Total Downloads | 1.3K | 12.4K | 302.0K |
| 30d Downloads | 3 | 62 | 45.1K |
| Dependents | 0 | 0 | 32 |
| Releases | 1 | 38 | 7 |
| Last Updated | 645d ago | 13d ago | 169d ago |
| Age | 1y 9m | 12m | 1y 3m |
Health Breakdown
quickfib
Maintenance
1
Quality
20
Community
3
Popularity
4
Documentation
13
fib-rs
Maintenance
18
Quality
17
Community
6
Popularity
5
Documentation
13
i256
Maintenance
11
Quality
18
Community
10
Popularity
7
Documentation
12
Technical Details
| quickfib | fib-rs | i256 | |
|---|---|---|---|
| Version | 1.0.0 | 1.2.6 | 0.2.3 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT OR Apache-2.0 |
| Dependencies | 0 | 11 | 1 |
| Crate Size | 2KB | 35KB | 89KB |
| Features | 0 | 3 | 9 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | — | 1.59 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fib-rs leads with a health score of 59/100, but none of the options score above 80.
- •i256 has the most downloads (302.0K), suggesting wider adoption.
- •⚠ quickfib has not been updated in over a year.
- •i256 is pre-1.0 — API may change.