Decision Workspace
sparse-mem vs dense-slotmap-mem vs hashmap-mem
Side-by-side comparison of Rust crates
48
sparse-mem
experimentalv0.2.0
Fixed-capacity, generation-tracked sparse array implementation optimized for the Swamp VM
43
dense-slotmap-mem
experimentalv0.1.1
Fixed-capacity, generation-tracked dense slot map with stable handles and raw memory interface, optimized for the Swamp VM
56
hashmap-mem
experimentalv0.2.2
Fast, low-overhead in-memory hashmap implementation optimized for performance using fxhash
Core Metrics
| sparse-mem | dense-slotmap-mem | hashmap-mem | |
|---|---|---|---|
| Health Score | 48 | 43 | 56 |
| Total Downloads | 3.8K | 224 | 4.9K |
| 30d Downloads | 179 | 42 | 244 |
| Dependents | 57 | 0 | 85 |
| Releases | 2 | 2 | 4 |
| Last Updated | 268d ago | 88d ago | 66d ago |
| Age | 9m | 2m | 9m |
Health Breakdown
sparse-mem
Maintenance
8
Quality
15
Community
11
Popularity
4
Documentation
10
dense-slotmap-mem
Maintenance
9
Quality
15
Community
6
Popularity
3
Documentation
10
hashmap-mem
Maintenance
17
Quality
14
Community
11
Popularity
4
Documentation
10
Technical Details
| sparse-mem | dense-slotmap-mem | hashmap-mem | |
|---|---|---|---|
| Version | 0.2.0 | 0.1.1 | 0.2.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 0 | 0 | 1 |
| Crate Size | 9KB | 10KB | 8KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •hashmap-mem leads with a health score of 56/100, but none of the options score above 80.