Decision Workspace
numkong vs simsimd vs cfavml
Side-by-side comparison of Rust crates
61
numkong
experimentalv7.7.0
Portable mixed-precision math, linear-algebra, & retrieval library with 2000+ SIMD kernels for x86, Arm, RISC-V, LoongArch, Power, & WebAssembly
69
simsimd
stablev6.5.16
Portable mixed-precision BLAS-like vector math library for x86 and ARM
43
cfavml
growingv0.3.0
CF's Accelerated Vector Math Library providing SIMD optimzied routines for vector operations
Core Metrics
| numkong | simsimd | cfavml | |
|---|---|---|---|
| Health Score | 61 | 69 | 43 |
| Total Downloads | 90.2K | 1.7M | 11.4K |
| 30d Downloads | 25.0K | 224.5K | 0 |
| Dependents | 4 | 525 | 0 |
| Releases | 18 | 104 | 5 |
| Last Updated | 51d ago | 128d ago | 691d ago |
| Age | 3m | 2y 5m | 1y 11m |
Health Breakdown
numkong
Maintenance
16
Quality
16
Community
8
Popularity
6
Documentation
15
simsimd
Maintenance
13
Quality
19
Community
15
Popularity
7
Documentation
15
cfavml
Maintenance
5
Quality
15
Community
6
Popularity
5
Documentation
12
Technical Details
| numkong | simsimd | cfavml | |
|---|---|---|---|
| Version | 7.7.0 | 6.5.16 | 0.3.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | Apache-2.0 | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 6 | 4 | 10 |
| Crate Size | 1.1MB | 126KB | 94KB |
| Features | 4 | 2 | 3 |
| Yanked % | 0.0% | 2.9% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.64 | 1.64 | 1.75 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •simsimd leads with a health score of 69/100, but none of the options score above 80.
- •simsimd is depended on by 525 crates — strongest ecosystem trust.
- •⚠ cfavml has not been updated in over a year.
- •cfavml is pre-1.0 — API may change.