Decision Workspace
alloc-cortex-m vs embedded-alloc vs umm-malloc-sys
Side-by-side comparison of Rust crates
50
alloc-cortex-m
growingv0.4.4
A heap allocator for Cortex-M processors
63
embedded-alloc
growingv0.7.0
A heap allocator for embedded systems
45
umm-malloc-sys
growingv0.3.2
FFI bindings to the umm_malloc memory allocator.
Core Metrics
| alloc-cortex-m | embedded-alloc | umm-malloc-sys | |
|---|---|---|---|
| Health Score | 50 | 63 | 45 |
| Total Downloads | 221.9K | 1.5M | 8.7K |
| 30d Downloads | 6.4K | 198.9K | 72 |
| Dependents | 98 | 191 | 7 |
| Releases | 15 | 5 | 6 |
| Last Updated | 1193d ago | 83d ago | 1137d ago |
| Age | 9y 4m | 3y 3m | 5y 1m |
Health Breakdown
alloc-cortex-m
Maintenance
4
Quality
15
Community
13
Popularity
6
Documentation
12
embedded-alloc
Maintenance
14
Quality
15
Community
14
Popularity
7
Documentation
13
umm-malloc-sys
Maintenance
5
Quality
18
Community
8
Popularity
5
Documentation
9
Technical Details
| alloc-cortex-m | embedded-alloc | umm-malloc-sys | |
|---|---|---|---|
| Version | 0.4.4 | 0.7.0 | 0.3.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 3 | 11 | 1 |
| Crate Size | 13KB | 20KB | 24KB |
| Features | 0 | 4 | 6 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2018 |
| MSRV | — | — | — |
| Owners | 2 (team) | 3 (team) | 1 |
Links
Quick Verdict
- •embedded-alloc leads with a health score of 63/100, but none of the options score above 80.
- •embedded-alloc is depended on by 191 crates — strongest ecosystem trust.
- •⚠ alloc-cortex-m, umm-malloc-sys have not been updated in over a year.