Decision Workspace
numalloc vs zeropool vs arena-b
Side-by-side comparison of Rust crates
53
numalloc
experimentalv0.1.2
A blazing-fast, NUMA-aware memory allocator written in pure Rust
55
zeropool
experimentalv0.7.0
A user-space byte allocator with size-class bucketing, lock-free shared pool, and thread-local caching
55
arena-b
growingv1.0.0
Production-grade bump allocator with lock-free, slab, and virtual-memory tooling for parsers, game engines, and request-scoped services
Core Metrics
| numalloc | zeropool | arena-b | |
|---|---|---|---|
| Health Score | 53 | 55 | 55 |
| Total Downloads | 195 | 1.6K | 580 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 6 | 4 | 4 |
| Releases | 3 | 10 | 17 |
| Last Updated | 93d ago | 16d ago | 194d ago |
| Age | 3m | 8m | 7m |
Health Breakdown
numalloc
Maintenance
14
Quality
15
Community
8
Popularity
3
Documentation
13
zeropool
Maintenance
18
Quality
15
Community
8
Popularity
4
Documentation
10
arena-b
Maintenance
11
Quality
20
Community
8
Popularity
3
Documentation
13
Technical Details
| numalloc | zeropool | arena-b | |
|---|---|---|---|
| Version | 0.1.2 | 0.7.0 | 1.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 7 | 5 |
| Crate Size | 48KB | 47KB | 67KB |
| Features | 2 | 2 | 9 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •zeropool leads with a health score of 55/100, but none of the options score above 80.
- •numalloc, zeropool are pre-1.0 — API may change.