Decision Workspace
simdutf vs unicode-simd vs simdutf8
Side-by-side comparison of Rust crates
50
simdutf
growingv0.7.0
Unicode validation and transcoding at billions of characters per second
34
unicode-simd
growingv0.0.1
SIMD-accelerated Unicode validation and transcoding
58
simdutf8
growingv0.1.5
SIMD-accelerated UTF-8 validation.
Core Metrics
| simdutf | unicode-simd | simdutf8 | |
|---|---|---|---|
| Health Score | 50 | 34 | 58 |
| Total Downloads | 43.9K | 1.2K | 107.6M |
| 30d Downloads | 7.7K | 2 | 10.8M |
| Dependents | 1 | 0 | 2.5K |
| Releases | 28 | 1 | 9 |
| Last Updated | 47d ago | 1342d ago | 551d ago |
| Age | 3y 8m | 3y 8m | 4y 11m |
Health Breakdown
simdutf
Maintenance
16
Quality
9
Community
7
Popularity
6
Documentation
12
unicode-simd
Maintenance
1
Quality
11
Community
6
Popularity
4
Documentation
12
simdutf8
Maintenance
4
Quality
19
Community
15
Popularity
8
Documentation
12
Technical Details
| simdutf | unicode-simd | simdutf8 | |
|---|---|---|---|
| Version | 0.7.0 | 0.0.1 | 0.1.5 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT OR Apache-2.0 |
| Dependencies | 2 | 4 | 0 |
| Crate Size | 437KB | 2KB | 28KB |
| Features | 0 | 5 | 6 |
| Yanked % | 28.6% | 100.0% | 0.0% |
| Edition | 2021 | 2021 | 2018 |
| MSRV | 1.78.0 | 1.61 | — |
| Owners | 1 | 1 | 1 |
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.
- •⚠ unicode-simd, simdutf8 have not been updated in over a year.