Decision Workspace
safe-bump vs fastarena vs multitude
Side-by-side comparison of Rust crates
54
safe-bump
experimentalv0.2.1
Safe typed arena — zero unsafe, auto Drop, checkpoint/rollback, single-thread Arena + concurrent SharedArena
55
fastarena
experimentalv0.1.3
A zero-dependency, bump-pointer arena allocator with RAII transactions, nested savepoints, optional LIFO destructor tracking, and ArenaVec — built for compilers, storage engines, and high-throughput request-scoped workloads.
46
multitude
experimentalv0.1.0
Fast and flexible arena allocator.
Core Metrics
| safe-bump | fastarena | multitude | |
|---|---|---|---|
| Health Score | 54 | 55 | 46 |
| Total Downloads | 2.1K | 166 | 12 |
| 30d Downloads | 1.0K | 0 | 0 |
| Dependents | 2 | 2 | 0 |
| Releases | 3 | 4 | 1 |
| Last Updated | 91d ago | 60d ago | 3d ago |
| Age | 3m | 2m | 3d |
Health Breakdown
safe-bump
Maintenance
14
Quality
14
Community
7
Popularity
4
Documentation
15
fastarena
Maintenance
15
Quality
15
Community
7
Popularity
3
Documentation
15
multitude
Maintenance
13
Quality
14
Community
6
Popularity
1
Documentation
12
Technical Details
| safe-bump | fastarena | multitude | |
|---|---|---|---|
| Version | 0.2.1 | 0.1.3 | 0.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT | MIT |
| Dependencies | 1 | 3 | 17 |
| Crate Size | 27KB | 43KB | 429KB |
| Features | 0 | 1 | 10 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.93 | 1.66 | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fastarena leads with a health score of 55/100, but none of the options score above 80.
- •safe-bump has the most downloads (2.1K), suggesting wider adoption.