Decision Workspace
c_utf8 vs simdutf8 vs utf64
Side-by-side comparison of Rust crates
41
c_utf8
growingv0.1.0
UTF-8 encoded C string types
58
simdutf8
growingv0.1.5
SIMD-accelerated UTF-8 validation.
49
utf64
growingv1.0.2
A utility to encode utf-8 strings into utf-64, and decode them back.
Core Metrics
| c_utf8 | simdutf8 | utf64 | |
|---|---|---|---|
| Health Score | 41 | 58 | 49 |
| Total Downloads | 51.7K | 107.6M | 4.6K |
| 30d Downloads | 895 | 10.8M | 6 |
| Dependents | 2 | 2.5K | 0 |
| Releases | 1 | 9 | 4 |
| Last Updated | 2841d ago | 551d ago | 466d ago |
| Age | 7y 9m | 4y 11m | 2y 6m |
Health Breakdown
c_utf8
Maintenance
1
Quality
17
Community
6
Popularity
6
Documentation
11
simdutf8
Maintenance
4
Quality
19
Community
15
Popularity
8
Documentation
12
utf64
Maintenance
6
Quality
20
Community
8
Popularity
4
Documentation
11
Technical Details
| c_utf8 | simdutf8 | utf64 | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.5 | 1.0.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT/Apache-2.0 | MIT OR Apache-2.0 | non-standard |
| Dependencies | 1 | 0 | 2 |
| Crate Size | 12KB | 28KB | 6KB |
| Features | 3 | 6 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2018 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •simdutf8 leads with a health score of 58/100, but none of the options score above 80.
- •simdutf8 is depended on by 2.5K crates — strongest ecosystem trust.
- •⚠ c_utf8, simdutf8, utf64 have not been updated in over a year.
- •c_utf8, simdutf8 are pre-1.0 — API may change.