Decision Workspace
fraction vs fastnum vs decimal-bytes
Side-by-side comparison of Rust crates
54
fraction
growingv0.15.3
Lossless fractions and decimals; drop-in float replacement
59
fastnum
growingv0.7.4
Fast decimal numbers library
55
decimal-bytes
experimentalv0.4.2
Arbitrary precision decimals with lexicographically sortable byte encoding
Core Metrics
| fraction | fastnum | decimal-bytes | |
|---|---|---|---|
| Health Score | 54 | 59 | 55 |
| Total Downloads | 55.6M | 849.4K | 11.9K |
| 30d Downloads | 4.3M | 445.5K | 7.3K |
| Dependents | 751 | 159 | 4 |
| Releases | 36 | 57 | 7 |
| Last Updated | 684d ago | 101d ago | 50d ago |
| Age | 10y 2m | 1y 5m | 2m |
Health Breakdown
fraction
Maintenance
7
Quality
15
Community
13
Popularity
8
Documentation
11
fastnum
Maintenance
14
Quality
11
Community
12
Popularity
7
Documentation
15
decimal-bytes
Maintenance
10
Quality
15
Community
13
Popularity
5
Documentation
12
Technical Details
| fraction | fastnum | decimal-bytes | |
|---|---|---|---|
| Version | 0.15.3 | 0.7.4 | 0.4.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT/Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 10 | 18 | 7 |
| Crate Size | 95KB | 306KB | 53KB |
| Features | 9 | 19 | 3 |
| Yanked % | 2.8% | 12.3% | 0.0% |
| Edition | — | 2021 | 2021 |
| MSRV | — | 1.88 | 1.85 |
| Owners | 1 | 1 | 3 (team) |
Links
Quick Verdict
- •fastnum leads with a health score of 59/100, but none of the options score above 80.
- •fraction has the most downloads (55.6M), suggesting wider adoption.
- •fraction is depended on by 751 crates — strongest ecosystem trust.
- •⚠ fraction has not been updated in over a year.