Decision Workspace
stack-arena vs memkit vs fastalloc
Side-by-side comparison of Rust crates
47
stack-arena
growingv0.12.0
A fast, stack-like arena allocator for efficient memory management, implemented in Rust.
56
memkit
experimentalv0.2.0-beta.1
Deterministic, intent-driven memory allocation for systems requiring predictable performance
55
fastalloc
growingv1.5.0
High-performance memory pooling library with type-safe handles, predictable latency, and zero fragmentation. Perfect for game engines, real-time systems, and high-churn workloads.
Core Metrics
| stack-arena | memkit | fastalloc | |
|---|---|---|---|
| Health Score | 47 | 56 | 55 |
| Total Downloads | 3.6K | 370 | 642 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 13 | 0 |
| Releases | 8 | 4 | 4 |
| Last Updated | 350d ago | 112d ago | 208d ago |
| Age | 1y | 5m | 7m |
Health Breakdown
stack-arena
Maintenance
9
Quality
15
Community
6
Popularity
4
Documentation
13
memkit
Maintenance
12
Quality
17
Community
9
Popularity
3
Documentation
15
fastalloc
Maintenance
11
Quality
20
Community
6
Popularity
3
Documentation
15
Technical Details
| stack-arena | memkit | fastalloc | |
|---|---|---|---|
| Version | 0.12.0 | 0.2.0-beta.1 | 1.5.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MPL-2.0 | MIT |
| Dependencies | 1 | 3 | 7 |
| Crate Size | 24KB | 40KB | 83KB |
| Features | 0 | 5 | 8 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.70 | 1.70.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •memkit leads with a health score of 56/100, but none of the options score above 80.
- •stack-arena has the most downloads (3.6K), suggesting wider adoption.
- •stack-arena, memkit are pre-1.0 — API may change.