Decision Workspace
memur vs memkit vs fastarena
Side-by-side comparison of Rust crates
45
memur
growingv0.3.4
Arena storage with bells and whistles.
59
memkit
experimentalv0.2.0-beta.1
Deterministic, intent-driven memory allocation for systems requiring predictable performance
58
fastarena
experimentalv0.1.3
A zero-dependency, bump-pointer arena allocator with RAII transactions, nested savepoints, optional LIFO destructor tracking, and ArenaVec — built for compilers, storage engines, and high-throughput request-scoped workloads.
Core Metrics
| memur | memkit | fastarena | |
|---|---|---|---|
| Health Score | 45 | 59 | 58 |
| Total Downloads | 8.1K | 250 | 109 |
| 30d Downloads | 10 | 73 | 109 |
| Dependents | 0 | 13 | 1 |
| Releases | 8 | 4 | 4 |
| Last Updated | 412d ago | 53d ago | 1d ago |
| Age | 5y 5m | 3m | 5d |
Health Breakdown
memur
Maintenance
5
Quality
17
Community
5
Popularity
5
Documentation
13
memkit
Maintenance
15
Quality
17
Community
9
Popularity
3
Documentation
15
fastarena
Maintenance
19
Quality
15
Community
7
Popularity
2
Documentation
15
Technical Details
| memur | memkit | fastarena | |
|---|---|---|---|
| Version | 0.3.4 | 0.2.0-beta.1 | 0.1.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MPL-2.0 | MIT |
| Dependencies | 1 | 3 | 3 |
| Crate Size | 29KB | 40KB | 43KB |
| Features | 2 | 5 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.70 | 1.66 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •memkit leads with a health score of 59/100, but none of the options score above 80.
- •memur has the most downloads (8.1K), suggesting wider adoption.
- •⚠ memur has not been updated in over a year.