Decision Workspace
rarena vs arena-b vs rarena-allocator
Side-by-side comparison of Rust crates
40
rarena
growingv0.4.0
Lock-free allocator and data structures based on ARENA.
55
arena-b
experimentalv1.0.0
Production-grade bump allocator with lock-free, slab, and virtual-memory tooling for parsers, game engines, and request-scoped services
49
rarena-allocator
growingv0.6.0
Lock-free ARENA allocator which can be used in both memory and on-disk.
Core Metrics
| rarena | arena-b | rarena-allocator | |
|---|---|---|---|
| Health Score | 40 | 55 | 49 |
| Total Downloads | 6.7K | 534 | 84.5K |
| 30d Downloads | 6 | 21 | 195 |
| Dependents | 0 | 0 | 67 |
| Releases | 7 | 17 | 57 |
| Last Updated | 404d ago | 86d ago | 397d ago |
| Age | 1y 10m | 4m | 1y 9m |
Health Breakdown
rarena
Maintenance
7
Quality
11
Community
5
Popularity
5
Documentation
12
arena-b
Maintenance
14
Quality
19
Community
6
Popularity
3
Documentation
13
rarena-allocator
Maintenance
8
Quality
9
Community
11
Popularity
6
Documentation
15
Technical Details
| rarena | arena-b | rarena-allocator | |
|---|---|---|---|
| Version | 0.4.0 | 1.0.0 | 0.6.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 1 | 5 | 18 |
| Crate Size | 9KB | 67KB | 64KB |
| Features | 4 | 9 | 5 |
| Yanked % | 42.9% | 0.0% | 84.2% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.81.0 | — | 1.85.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •arena-b leads with a health score of 55/100, but none of the options score above 80.
- •rarena-allocator has the most downloads (84.5K), suggesting wider adoption.
- •⚠ rarena, rarena-allocator have not been updated in over a year.
- •rarena, rarena-allocator are pre-1.0 — API may change.