Decision Workspace
concise_vec vs smallbitvec vs rpds
Side-by-side comparison of Rust crates
48
concise_vec
experimentalv0.2.0
A concise, highly optimized vector implementation leveraging const generics in Rust.
74
smallbitvec
stablev2.6.1
A bit vector optimized for size and inline storage
72
rpds
stablev1.2.1
Persistent data structures with structural sharing
Core Metrics
| concise_vec | smallbitvec | rpds | |
|---|---|---|---|
| Health Score | 48 | 74 | 72 |
| Total Downloads | 13 | 3.3M | 13.4M |
| 30d Downloads | 0 | 226.0K | 1.0M |
| Dependents | 0 | 167 | 1.1K |
| Releases | 1 | 21 | 21 |
| Last Updated | 35d ago | 19d ago | 10d ago |
| Age | 1m | 8y 8m | 8y 6m |
Health Breakdown
concise_vec
Maintenance
11
Quality
17
Community
6
Popularity
1
Documentation
13
smallbitvec
Maintenance
15
Quality
20
Community
16
Popularity
8
Documentation
15
rpds
Maintenance
16
Quality
20
Community
13
Popularity
8
Documentation
15
Technical Details
| concise_vec | smallbitvec | rpds | |
|---|---|---|---|
| Version | 0.2.0 | 2.6.1 | 1.2.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 0 | 3 | 9 |
| Crate Size | 12KB | 16KB | 75KB |
| Features | 3 | 0 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.56 | 1.85.0 |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •smallbitvec leads with a health score of 74/100, but none of the options score above 80.
- •rpds has the most downloads (13.4M), suggesting wider adoption.
- •rpds is depended on by 1.1K crates — strongest ecosystem trust.
- •concise_vec is pre-1.0 — API may change.