Decision Workspace
leopard_vec vs vec_parallel vs simsimd
Side-by-side comparison of Rust crates
44
leopard_vec
experimentalv0.1.0
A high-performance parallelized vector container with deferred execution for bulk parallel operations
46
vec_parallel
experimentalv0.1.3
Construct your Vec in parallel
74
simsimd
stablev6.5.16
Portable mixed-precision BLAS-like vector math library for x86 and ARM
Core Metrics
| leopard_vec | vec_parallel | simsimd | |
|---|---|---|---|
| Health Score | 44 | 46 | 74 |
| Total Downloads | 29 | 1.9K | 771.2K |
| 30d Downloads | 3 | 24 | 157.5K |
| Dependents | 0 | 2 | 309 |
| Releases | 1 | 4 | 104 |
| Last Updated | 117d ago | 222d ago | 20d ago |
| Age | 3m | 9m | 2y 2m |
Health Breakdown
leopard_vec
Maintenance
7
Quality
14
Community
6
Popularity
2
Documentation
15
vec_parallel
Maintenance
9
Quality
14
Community
7
Popularity
4
Documentation
12
simsimd
Maintenance
18
Quality
19
Community
15
Popularity
7
Documentation
15
Technical Details
| leopard_vec | vec_parallel | simsimd | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.3 | 6.5.16 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 1 | 6 | 4 |
| Crate Size | 17KB | 97KB | 126KB |
| Features | 0 | 1 | 2 |
| Yanked % | 0.0% | 0.0% | 2.9% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | 1.70 | 1.88.0 | 1.64 |
| Owners | 1 | 1 | 2 |
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.
- •leopard_vec, vec_parallel are pre-1.0 — API may change.