Decision Workspace
slab vs ax_slab_allocator vs slab_allocator_rs
Side-by-side comparison of Rust crates
63
slab
growingv0.4.12
Pre-allocated storage for a uniform data type
51
ax_slab_allocator
experimentalv0.4.0
Slab allocator for `no_std` systems. Uses multiple slabs with blocks of different sizes and a linked list for blocks larger than 4096 bytes
48
slab_allocator_rs
growingv1.0.2
Slab allocator for no_std systems. Uses multiple slabs with blocks of different sizes and a buddy system allocator for blocks larger than 4096 bytes. Updated to latest nightly rust
Core Metrics
| slab | ax_slab_allocator | slab_allocator_rs | |
|---|---|---|---|
| Health Score | 63 | 51 | 48 |
| Total Downloads | 755.6M | 48.2K | 10.1K |
| 30d Downloads | 38.4M | 4.4K | 0 |
| Dependents | 8.5K | 13 | 11 |
| Releases | 19 | 2 | 3 |
| Last Updated | 163d ago | 141d ago | 1283d ago |
| Age | 11y 1m | 5m | 5y 1m |
Health Breakdown
slab
Maintenance
10
Quality
14
Community
20
Popularity
8
Documentation
11
ax_slab_allocator
Maintenance
10
Quality
14
Community
11
Popularity
6
Documentation
10
slab_allocator_rs
Maintenance
4
Quality
20
Community
9
Popularity
5
Documentation
10
Technical Details
| slab | ax_slab_allocator | slab_allocator_rs | |
|---|---|---|---|
| Version | 0.4.12 | 0.4.0 | 1.0.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT | MIT |
| Dependencies | 3 | 1 | 2 |
| Crate Size | 19KB | 6KB | 6KB |
| Features | 2 | 0 | 0 |
| Yanked % | 5.3% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | 1.51 | — | — |
| Owners | 2 (team) | 2 (team) | 1 |
Links
Quick Verdict
- •slab leads with a health score of 63/100, but none of the options score above 80.
- •slab is depended on by 8.5K crates — strongest ecosystem trust.
- •⚠ slab_allocator_rs has not been updated in over a year.
- •slab, ax_slab_allocator are pre-1.0 — API may change.