Decision Workspace
bmap vs smallbitvec vs bit-vec
Side-by-side comparison of Rust crates
54
bmap
growingv0.3.0
A bitmap with an internal counter.
74
smallbitvec
stablev2.6.1
A bit vector optimized for size and inline storage
69
bit-vec
growingv0.9.1
A vector of bits
Core Metrics
| bmap | smallbitvec | bit-vec | |
|---|---|---|---|
| Health Score | 54 | 74 | 69 |
| Total Downloads | 5.6K | 3.3M | 280.0M |
| 30d Downloads | 0 | 226.0K | 24.9M |
| Dependents | 0 | 167 | 4.5K |
| Releases | 5 | 21 | 22 |
| Last Updated | 11d ago | 19d ago | 74d ago |
| Age | 3y 12m | 8y 8m | 10y 12m |
Health Breakdown
bmap
Maintenance
16
Quality
16
Community
6
Popularity
4
Documentation
12
smallbitvec
Maintenance
15
Quality
20
Community
16
Popularity
8
Documentation
15
bit-vec
Maintenance
12
Quality
17
Community
17
Popularity
8
Documentation
15
Technical Details
| bmap | smallbitvec | bit-vec | |
|---|---|---|---|
| Version | 0.3.0 | 2.6.1 | 0.9.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | 0BSD | MIT OR Apache-2.0 | Apache-2.0 OR MIT |
| Dependencies | 0 | 3 | 7 |
| Crate Size | 6KB | 16KB | 29KB |
| Features | 0 | 0 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85 | 1.56 | 1.82 |
| Owners | 2 | 2 (team) | 3 (team) |
Links
Quick Verdict
- •smallbitvec leads with a health score of 74/100, but none of the options score above 80.
- •bit-vec has the most downloads (280.0M), suggesting wider adoption.
- •bit-vec is depended on by 4.5K crates — strongest ecosystem trust.
- •bmap, bit-vec are pre-1.0 — API may change.