Decision Workspace
typed-arena vs bumpalo vs indextree
Side-by-side comparison of Rust crates
63
typed-arena
growingv2.0.2
The arena, a fast but limited type of allocator
75
bumpalo
stablev3.20.3
A fast bump allocation arena for Rust.
74
indextree
stablev4.8.1
Arena based tree structure by using indices instead of reference counted pointers
Core Metrics
| typed-arena | bumpalo | indextree | |
|---|---|---|---|
| Health Score | 63 | 75 | 74 |
| Total Downloads | 61.8M | 399.2M | 2.1M |
| 30d Downloads | 4.0M | 35.2M | 123.6K |
| Dependents | 2.8K | 9.5K | 784 |
| Releases | 15 | 56 | 31 |
| Last Updated | 1233d ago | 3d ago | 55d ago |
| Age | 11y 1m | 7y 6m | 9y 5m |
Health Breakdown
typed-arena
Maintenance
4
Quality
22
Community
18
Popularity
8
Documentation
11
bumpalo
Maintenance
19
Quality
16
Community
17
Popularity
8
Documentation
15
indextree
Maintenance
15
Quality
23
Community
13
Popularity
8
Documentation
15
Technical Details
| typed-arena | bumpalo | indextree | |
|---|---|---|---|
| Version | 2.0.2 | 3.20.3 | 4.8.1 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 1 | 10 | 3 |
| Crate Size | 12KB | 99KB | 31KB |
| Features | 2 | 7 | 5 |
| Yanked % | 0.0% | 23.2% | 0.0% |
| Edition | — | 2021 | 2024 |
| MSRV | — | 1.71.1 | 1.85.0 |
| Owners | 5 | 2 | 1 |
Links
Quick Verdict
- •bumpalo leads with a health score of 75/100, but none of the options score above 80.
- •bumpalo is depended on by 9.5K crates — strongest ecosystem trust.
- •⚠ typed-arena has not been updated in over a year.