Decision Workspace
utf_symbols vs simsimd vs memchr
Side-by-side comparison of Rust crates
48
utf_symbols
growingv1.0.3
A quick tool to search symbols (any named character) in the utf table.
74
simsimd
stablev6.5.16
Portable mixed-precision BLAS-like vector math library for x86 and ARM
72
memchr
stablev2.8.0
Provides extremely fast (uses SIMD on x86_64, aarch64 and wasm32) routines for 1, 2 or 3 byte search and single substring search.
Core Metrics
| utf_symbols | simsimd | memchr | |
|---|---|---|---|
| Health Score | 48 | 74 | 72 |
| Total Downloads | 1.9K | 771.2K | 842.6M |
| 30d Downloads | 6 | 157.5K | 60.6M |
| Dependents | 0 | 309 | 17.1K |
| Releases | 4 | 104 | 44 |
| Last Updated | 296d ago | 20d ago | 49d ago |
| Age | 9m | 2y 2m | 10y 9m |
Health Breakdown
utf_symbols
Maintenance
14
Quality
16
Community
4
Popularity
4
Documentation
10
simsimd
Maintenance
18
Quality
19
Community
15
Popularity
7
Documentation
15
memchr
Maintenance
15
Quality
22
Community
12
Popularity
8
Documentation
15
Technical Details
| utf_symbols | simsimd | memchr | |
|---|---|---|---|
| Version | 1.0.3 | 6.5.16 | 2.8.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT | Apache-2.0 | Unlicense OR MIT |
| Dependencies | 7 | 4 | 3 |
| Crate Size | 287KB | 126KB | 98KB |
| Features | 0 | 2 | 7 |
| Yanked % | 0.0% | 2.9% | 2.3% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.64 | 1.61 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •simsimd leads with a health score of 74/100, but none of the options score above 80.
- •memchr has the most downloads (842.6M), suggesting wider adoption.
- •memchr is depended on by 17.1K crates — strongest ecosystem trust.