Decision Workspace
marching-buffer vs bump-scope vs fastarena
Side-by-side comparison of Rust crates
40
marching-buffer
growingv0.1.0
Marching buffer with resets
65
bump-scope
stablev2.2.0
A fast bump allocator that supports allocation scopes / checkpoints. Aka an arena for values of arbitrary types.
58
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.
Core Metrics
| marching-buffer | bump-scope | fastarena | |
|---|---|---|---|
| Health Score | 40 | 65 | 58 |
| Total Downloads | 1.7K | 149.2K | 109 |
| 30d Downloads | 3 | 25.4K | 109 |
| Dependents | 2 | 13 | 1 |
| Releases | 1 | 86 | 4 |
| Last Updated | 1822d ago | 30d ago | 1d ago |
| Age | 4y 12m | 2y | 5d |
Health Breakdown
marching-buffer
Maintenance
1
Quality
16
Community
7
Popularity
4
Documentation
12
bump-scope
Maintenance
17
Quality
18
Community
9
Popularity
6
Documentation
15
fastarena
Maintenance
19
Quality
15
Community
7
Popularity
2
Documentation
15
Technical Details
| marching-buffer | bump-scope | fastarena | |
|---|---|---|---|
| Version | 0.1.0 | 2.2.0 | 0.1.3 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | CC0-1.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 0 | 10 | 3 |
| Crate Size | 7KB | 240KB | 43KB |
| Features | 0 | 19 | 1 |
| Yanked % | 0.0% | 1.2% | 0.0% |
| Edition | 2018 | 2024 | 2021 |
| MSRV | — | 1.85.1 | 1.66 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •bump-scope leads with a health score of 65/100, but none of the options score above 80.
- •⚠ marching-buffer has not been updated in over a year.
- •marching-buffer, fastarena are pre-1.0 — API may change.