Decision Workspace
o1heap vs grift_arena vs emballoc
Side-by-side comparison of Rust crates
44
o1heap
experimentalv0.0.2
Rust bindings for o1heap - a constant-time deterministic memory allocator
56
grift_arena
experimentalv1.5.0
A minimal no_std, no_alloc arena allocator with garbage collection for the Grift Scheme interpreter
47
emballoc
growingv0.3.0
Simple but reliable memory allocator for embedded Rust and #![no_std]
Core Metrics
| o1heap | grift_arena | emballoc | |
|---|---|---|---|
| Health Score | 44 | 56 | 47 |
| Total Downloads | 80 | 283 | 14.6K |
| 30d Downloads | 5 | 108 | 197 |
| Dependents | 0 | 24 | 0 |
| Releases | 2 | 7 | 6 |
| Last Updated | 121d ago | 37d ago | 556d ago |
| Age | 4m | 1m | 3y 7m |
Health Breakdown
o1heap
Maintenance
11
Quality
12
Community
6
Popularity
2
Documentation
13
grift_arena
Maintenance
12
Quality
18
Community
10
Popularity
3
Documentation
13
emballoc
Maintenance
5
Quality
16
Community
6
Popularity
5
Documentation
15
Technical Details
| o1heap | grift_arena | emballoc | |
|---|---|---|---|
| Version | 0.0.2 | 1.5.0 | 0.3.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 0 | 1 |
| Crate Size | 376KB | 29KB | 25KB |
| Features | 0 | 0 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | — | 1.57 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •grift_arena leads with a health score of 56/100, but none of the options score above 80.
- •emballoc has the most downloads (14.6K), suggesting wider adoption.
- •⚠ emballoc has not been updated in over a year.
- •o1heap, emballoc are pre-1.0 — API may change.