Decision Workspace
fastalloc vs axiom_mem vs scratchpad
Side-by-side comparison of Rust crates
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.
42
scratchpad
growingv1.3.1
Stack-like memory allocator with double-ended allocation support
Core Metrics
| fastalloc | axiom_mem | scratchpad | |
|---|---|---|---|
| Health Score | 55 | 48 | 42 |
| Total Downloads | 638 | 176 | 18.3K |
| 30d Downloads | 6 | 4 | 27 |
| Dependents | 0 | 0 | 0 |
| Releases | 4 | 2 | 12 |
| Last Updated | 148d ago | 135d ago | 1862d ago |
| Age | 5m | 5m | 7y 11m |
Health Breakdown
fastalloc
Maintenance
12
Quality
19
Community
6
Popularity
3
Documentation
15
axiom_mem
Maintenance
11
Quality
15
Community
6
Popularity
3
Documentation
13
scratchpad
Maintenance
4
Quality
16
Community
6
Popularity
5
Documentation
11
Technical Details
| fastalloc | axiom_mem | scratchpad | |
|---|---|---|---|
| Version | 1.5.0 | 0.2.0 | 1.3.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT | MIT | MIT/Apache-2.0 |
| Dependencies | 7 | 0 | 3 |
| Crate Size | 83KB | 32KB | 54KB |
| Features | 8 | 0 | 4 |
| Yanked % | 0.0% | 0.0% | 66.7% |
| Edition | 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.
- •scratchpad has the most downloads (18.3K), suggesting wider adoption.
- •⚠ scratchpad has not been updated in over a year.
- •axiom_mem is pre-1.0 — API may change.