Decision Workspace
simsimd vs numkong vs cfavml
Side-by-side comparison of Rust crates
74
simsimd
stablev6.5.16
Portable mixed-precision BLAS-like vector math library for x86 and ARM
52
numkong
experimentalv7.1.1
Portable mixed-precision BLAS-like vector math library for x86 and ARM
45
cfavml
growingv0.3.0
CF's Accelerated Vector Math Library providing SIMD optimzied routines for vector operations
Core Metrics
| simsimd | numkong | cfavml | |
|---|---|---|---|
| Health Score | 74 | 52 | 45 |
| Total Downloads | 771.2K | 54 | 11.1K |
| 30d Downloads | 157.5K | 54 | 46 |
| Dependents | 309 | 0 | 0 |
| Releases | 104 | 3 | 5 |
| Last Updated | 20d ago | 5d ago | 583d ago |
| Age | 2y 2m | 10d | 1y 7m |
Health Breakdown
simsimd
Maintenance
18
Quality
19
Community
15
Popularity
7
Documentation
15
numkong
Maintenance
14
Quality
15
Community
6
Popularity
2
Documentation
15
cfavml
Maintenance
7
Quality
15
Community
6
Popularity
5
Documentation
12
Technical Details
| simsimd | numkong | cfavml | |
|---|---|---|---|
| Version | 6.5.16 | 7.1.1 | 0.3.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | Apache-2.0 | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 6 | 10 |
| Crate Size | 126KB | 942KB | 94KB |
| Features | 2 | 4 | 3 |
| Yanked % | 2.9% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.64 | 1.64 | 1.75 |
| Owners | 2 | 1 | 1 |
Links
Quick Verdict
- •simsimd leads with a health score of 74/100, but none of the options score above 80.
- •simsimd is depended on by 309 crates — strongest ecosystem trust.
- •⚠ cfavml has not been updated in over a year.
- •cfavml is pre-1.0 — API may change.