Decision Workspace
onsen vs fastalloc vs axiom_mem
Side-by-side comparison of Rust crates
41
onsen
growingv0.14.0
Memory pool
55
fastalloc
experimentalv1.5.0
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.
48
axiom_mem
experimentalv0.2.0
A stable and high-performance low-level memory management library for Rust, providing fixed-capacity pools and deterministic allocation for latency-sensitive systems.
Core Metrics
| onsen | fastalloc | axiom_mem | |
|---|---|---|---|
| Health Score | 41 | 55 | 48 |
| Total Downloads | 19.5K | 638 | 176 |
| 30d Downloads | 21 | 6 | 4 |
| Dependents | 0 | 0 | 0 |
| Releases | 17 | 4 | 2 |
| Last Updated | 1291d ago | 148d ago | 135d ago |
| Age | 3y 8m | 5m | 5m |
Health Breakdown
onsen
Maintenance
6
Quality
16
Community
4
Popularity
5
Documentation
10
fastalloc
Maintenance
12
Quality
19
Community
6
Popularity
3
Documentation
15
axiom_mem
Maintenance
11
Quality
15
Community
6
Popularity
3
Documentation
13
Technical Details
| onsen | fastalloc | axiom_mem | |
|---|---|---|---|
| Version | 0.14.0 | 1.5.0 | 0.2.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 5 | 7 | 0 |
| Crate Size | 23KB | 83KB | 32KB |
| Features | 4 | 8 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | 1.70.0 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fastalloc leads with a health score of 55/100, but none of the options score above 80.
- •onsen has the most downloads (19.5K), suggesting wider adoption.
- •⚠ onsen has not been updated in over a year.
- •onsen, axiom_mem are pre-1.0 — API may change.