Decision Workspace
deferred-map vs bitarena vs slotmap-careful
Side-by-side comparison of Rust crates
47
deferred-map
experimentalv0.3.1
High-performance generational arena using handle-based deferred insertion with O(1) operations
48
bitarena
experimentalv0.1.1
A bitset-accelerated generational arena optimized for sparse iteration.
66
slotmap-careful
growingv0.7.0
Wrap the slotmap crate and prevent key reuse
Core Metrics
| deferred-map | bitarena | slotmap-careful | |
|---|---|---|---|
| Health Score | 47 | 48 | 66 |
| Total Downloads | 504 | 23 | 172.6K |
| 30d Downloads | 60 | 24 | 26.9K |
| Dependents | 7 | 0 | 102 |
| Releases | 10 | 2 | 13 |
| Last Updated | 90d ago | 8d ago | 24d ago |
| Age | 4m | 8d | 1y 6m |
Health Breakdown
deferred-map
Maintenance
14
Quality
9
Community
8
Popularity
3
Documentation
13
bitarena
Maintenance
13
Quality
15
Community
6
Popularity
2
Documentation
12
slotmap-careful
Maintenance
20
Quality
15
Community
13
Popularity
6
Documentation
12
Technical Details
| deferred-map | bitarena | slotmap-careful | |
|---|---|---|---|
| Version | 0.3.1 | 0.1.1 | 0.7.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 5 | 6 | 6 |
| Crate Size | 44KB | 60KB | 13KB |
| Features | 1 | 4 | 1 |
| Yanked % | 20.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.85.0 | 1.89 |
| Owners | 1 | 1 | 4 |
Links
Quick Verdict
- •slotmap-careful leads with a health score of 66/100, but none of the options score above 80.
- •slotmap-careful is depended on by 102 crates — strongest ecosystem trust.