Decision Workspace
decimal-bytes vs fastnum vs fraction
Side-by-side comparison of Rust crates
55
decimal-bytes
experimentalv0.4.2
Arbitrary precision decimals with lexicographically sortable byte encoding
59
fastnum
growingv0.7.4
Fast decimal numbers library
54
fraction
growingv0.15.3
Lossless fractions and decimals; drop-in float replacement
Core Metrics
| decimal-bytes | fastnum | fraction | |
|---|---|---|---|
| Health Score | 55 | 59 | 54 |
| Total Downloads | 11.9K | 849.4K | 55.6M |
| 30d Downloads | 7.0K | 442.7K | 4.1M |
| Dependents | 4 | 159 | 751 |
| Releases | 7 | 57 | 36 |
| Last Updated | 50d ago | 101d ago | 684d ago |
| Age | 2m | 1y 5m | 10y 2m |
Health Breakdown
decimal-bytes
Maintenance
10
Quality
15
Community
13
Popularity
5
Documentation
12
fastnum
Maintenance
14
Quality
11
Community
12
Popularity
7
Documentation
15
fraction
Maintenance
7
Quality
15
Community
13
Popularity
8
Documentation
11
Technical Details
| decimal-bytes | fastnum | fraction | |
|---|---|---|---|
| Version | 0.4.2 | 0.7.4 | 0.15.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 7 | 18 | 10 |
| Crate Size | 53KB | 306KB | 95KB |
| Features | 3 | 19 | 9 |
| Yanked % | 0.0% | 12.3% | 2.8% |
| Edition | 2021 | 2021 | — |
| MSRV | 1.85 | 1.88 | — |
| Owners | 3 (team) | 1 | 1 |
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.