Decision Workspace
psm vs smallvec vs arrayvec
Side-by-side comparison of Rust crates
65
psm
growingv0.1.31
Portable Stack Manipulation: stack manipulation and introspection routines
68
smallvec
stablev1.15.1
'Small vector' optimization: store up to a small number of items on the stack
64
arrayvec
growingv0.7.6
A vector with fixed capacity, backed by an array (it can be stored on the stack too). Implements fixed capacity ArrayVec and ArrayString.
Core Metrics
| psm | smallvec | arrayvec | |
|---|---|---|---|
| Health Score | 65 | 68 | 64 |
| Total Downloads | 86.5M | 847.6M | 410.8M |
| 30d Downloads | 9.2M | 66.6M | 26.5M |
| Dependents | 202 | 57.7K | 16.9K |
| Releases | 32 | 76 | 55 |
| Last Updated | 33d ago | 190d ago | 646d ago |
| Age | 7y 4m | 11y 1m | 11y |
Health Breakdown
psm
Maintenance
16
Quality
15
Community
13
Popularity
8
Documentation
13
smallvec
Maintenance
12
Quality
17
Community
19
Popularity
8
Documentation
12
arrayvec
Maintenance
6
Quality
16
Community
20
Popularity
8
Documentation
14
Technical Details
| psm | smallvec | arrayvec | |
|---|---|---|---|
| Version | 0.1.31 | 1.15.1 | 0.7.6 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 8 | 6 |
| Crate Size | 25KB | 38KB | 31KB |
| Features | 0 | 10 | 2 |
| Yanked % | 0.0% | 26.3% | 0.0% |
| Edition | 2021 | 2018 | 2018 |
| MSRV | — | — | 1.51 |
| Owners | 2 (team) | 3 (team) | 2 (team) |
Links
Quick Verdict
- •smallvec leads with a health score of 68/100, but none of the options score above 80.
- •smallvec is depended on by 57.7K crates — strongest ecosystem trust.
- •⚠ arrayvec has not been updated in over a year.
- •psm, arrayvec are pre-1.0 — API may change.