Decision Workspace
fast-kd vs kiddo vs cashmere
Side-by-side comparison of Rust crates
24
fast-kd
growingv0.1.1
K-dimensional tree in Rust for fast geospatial indexing and nearest neighbors lookup
65
kiddo
stablev5.3.0
A high-performance, flexible, ergonomic k-d tree library. Ideal for geo- and astro- nearest-neighbour and k-nearest-neighbor queries
34
cashmere
growingv0.0.1
Spatial search trees with a focus on online mutability, speed, performance guarantees, and flexibility
Core Metrics
| fast-kd | kiddo | cashmere | |
|---|---|---|---|
| Health Score | 24 | 65 | 34 |
| Total Downloads | 2.8K | 5.2M | 1.6K |
| 30d Downloads | 4 | 566.2K | 6 |
| Dependents | 0 | 288 | 0 |
| Releases | 2 | 50 | 1 |
| Last Updated | 1465d ago | 8d ago | 989d ago |
| Age | 4y | 4y 11m | 2y 8m |
Health Breakdown
fast-kd
Maintenance
3
Quality
8
Community
3
Popularity
4
Documentation
6
kiddo
Maintenance
18
Quality
16
Community
10
Popularity
8
Documentation
13
cashmere
Maintenance
1
Quality
16
Community
6
Popularity
4
Documentation
7
Technical Details
| fast-kd | kiddo | cashmere | |
|---|---|---|---|
| Version | 0.1.1 | 5.3.0 | 0.0.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 11 | 40 | 2 |
| Crate Size | 11KB | 158KB | 22KB |
| Features | 1 | 12 | 1 |
| Yanked % | 50.0% | 6.0% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Quick Verdict
- •kiddo leads with a health score of 65/100, but none of the options score above 80.
- •kiddo is depended on by 288 crates — strongest ecosystem trust.
- •⚠ fast-kd, cashmere have not been updated in over a year.
- •fast-kd, cashmere are pre-1.0 — API may change.