Decision Workspace
succinct_vec vs smallvec vs smallbitvec
Side-by-side comparison of Rust crates
35
succinct_vec
growingv0.1.0
A Vec-like datastructure with less memory overhead
70
smallvec
stablev1.15.1
'Small vector' optimization: store up to a small number of items on the stack
64
smallbitvec
growingv2.6.0
A bit vector optimized for size and inline storage
Core Metrics
| succinct_vec | smallvec | smallbitvec | |
|---|---|---|---|
| Health Score | 35 | 70 | 64 |
| Total Downloads | 1.8K | 730.7M | 2.8M |
| 30d Downloads | 4 | 47.5M | 196.8K |
| Dependents | 0 | 51.1K | 150 |
| Releases | 1 | 76 | 20 |
| Last Updated | 2432d ago | 131d ago | 406d ago |
| Age | 6y 8m | 10y 11m | 8y 6m |
Health Breakdown
succinct_vec
Maintenance
1
Quality
15
Community
6
Popularity
4
Documentation
9
smallvec
Maintenance
14
Quality
17
Community
19
Popularity
8
Documentation
12
smallbitvec
Maintenance
5
Quality
20
Community
16
Popularity
8
Documentation
15
Technical Details
| succinct_vec | smallvec | smallbitvec | |
|---|---|---|---|
| Version | 0.1.0 | 1.15.1 | 2.6.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 8 | 3 |
| Crate Size | 6KB | 38KB | 15KB |
| Features | 0 | 10 | 0 |
| Yanked % | 0.0% | 26.3% | 0.0% |
| Edition | 2018 | 2018 | 2021 |
| MSRV | — | — | 1.56 |
| Owners | 1 | 3 (team) | 2 (team) |
Links
Quick Verdict
- •smallvec leads with a health score of 70/100, but none of the options score above 80.
- •smallvec is depended on by 51.1K crates — strongest ecosystem trust.
- •⚠ succinct_vec, smallbitvec have not been updated in over a year.
- •succinct_vec is pre-1.0 — API may change.