Decision Workspace
bumpalo vs bump-scope vs arena-b
Side-by-side comparison of Rust crates
72
bumpalo
stablev3.20.3
A fast bump allocation arena for Rust.
67
bump-scope
stablev2.3.3
A fast bump allocator that supports allocation scopes / checkpoints. Aka an arena for values of arbitrary types.
55
arena-b
growingv1.0.0
Production-grade bump allocator with lock-free, slab, and virtual-memory tooling for parsers, game engines, and request-scoped services
Core Metrics
| bumpalo | bump-scope | arena-b | |
|---|---|---|---|
| Health Score | 72 | 67 | 55 |
| Total Downloads | 468.0M | 253.3K | 580 |
| 30d Downloads | 26.3M | 25.6K | 0 |
| Dependents | 10.8K | 17 | 4 |
| Releases | 56 | 90 | 17 |
| Last Updated | 52d ago | 2d ago | 194d ago |
| Age | 7y 7m | 2y 3m | 7m |
Health Breakdown
bumpalo
Maintenance
16
Quality
16
Community
17
Popularity
8
Documentation
15
bump-scope
Maintenance
19
Quality
18
Community
9
Popularity
6
Documentation
15
arena-b
Maintenance
11
Quality
20
Community
8
Popularity
3
Documentation
13
Technical Details
| bumpalo | bump-scope | arena-b | |
|---|---|---|---|
| Version | 3.20.3 | 2.3.3 | 1.0.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 10 | 10 | 5 |
| Crate Size | 99KB | 241KB | 67KB |
| Features | 7 | 19 | 9 |
| Yanked % | 23.2% | 1.1% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | 1.71.1 | 1.85.1 | — |
| Owners | 2 | 1 | 1 |
Links
Quick Verdict
- •bumpalo leads with a health score of 72/100, but none of the options score above 80.
- •bumpalo is depended on by 10.8K crates — strongest ecosystem trust.