Decision Workspace
smart_buffer vs smallvec vs rpds
Side-by-side comparison of Rust crates
41
smart_buffer
growingv0.1.3
A hybrid stack/heap buffer
70
smallvec
stablev1.15.1
'Small vector' optimization: store up to a small number of items on the stack
66
rpds
growingv1.2.0
Persistent data structures with structural sharing
Core Metrics
| smart_buffer | smallvec | rpds | |
|---|---|---|---|
| Health Score | 41 | 70 | 66 |
| Total Downloads | 5.3K | 730.7M | 11.4M |
| 30d Downloads | 8 | 47.5M | 953.2K |
| Dependents | 0 | 51.1K | 849 |
| Releases | 4 | 76 | 20 |
| Last Updated | 1909d ago | 131d ago | 138d ago |
| Age | 5y 2m | 10y 11m | 8y 4m |
Health Breakdown
smart_buffer
Maintenance
9
Quality
16
Community
3
Popularity
4
Documentation
9
smallvec
Maintenance
14
Quality
17
Community
19
Popularity
8
Documentation
12
rpds
Maintenance
10
Quality
20
Community
13
Popularity
8
Documentation
15
Technical Details
| smart_buffer | smallvec | rpds | |
|---|---|---|---|
| Version | 0.1.3 | 1.15.1 | 1.2.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 0 | 8 | 8 |
| Crate Size | 6KB | 38KB | 73KB |
| Features | 0 | 10 | 3 |
| Yanked % | 0.0% | 26.3% | 0.0% |
| Edition | 2018 | 2018 | 2024 |
| MSRV | — | — | 1.85.0 |
| Owners | 1 | 3 (team) | 1 |
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.
- •⚠ smart_buffer has not been updated in over a year.
- •smart_buffer is pre-1.0 — API may change.