Decision Workspace
ordex vs arena-lib vs bitarena
Side-by-side comparison of Rust crates
42
ordex
experimentalv0.1.0
A strict generational arena with static/dynamic multi-mutable access, optimized for zero-allocation safety validation and cache-friendly layout.
60
arena-lib
experimentalv1.0.0
Typed memory arena and slab allocator library. Generational indices, typed arenas (one allocation per type), interned strings, and bump allocation. Zero unsafe leakage into user code.
45
bitarena
experimentalv0.1.1
A bitset-accelerated generational arena optimized for sparse iteration.
Core Metrics
| ordex | arena-lib | bitarena | |
|---|---|---|---|
| Health Score | 42 | 60 | 45 |
| Total Downloads | 43 | 65 | 29 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 2 | 0 | 0 |
| Releases | 1 | 5 | 2 |
| Last Updated | 86d ago | 4d ago | 67d ago |
| Age | 2m | 4d | 2m |
Health Breakdown
ordex
Maintenance
8
Quality
15
Community
7
Popularity
2
Documentation
10
arena-lib
Maintenance
19
Quality
18
Community
6
Popularity
2
Documentation
15
bitarena
Maintenance
10
Quality
15
Community
6
Popularity
2
Documentation
12
Technical Details
| ordex | arena-lib | bitarena | |
|---|---|---|---|
| Version | 0.1.0 | 1.0.0 | 0.1.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | Apache-2.0 OR MIT | MIT |
| Dependencies | 4 | 3 | 6 |
| Crate Size | 26KB | 67KB | 60KB |
| Features | 2 | 2 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | 1.85 | 1.85.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •arena-lib leads with a health score of 60/100, but none of the options score above 80.
- •ordex, bitarena are pre-1.0 — API may change.