Decision Workspace
parking_lot_core vs parking_lot vs usync
Side-by-side comparison of Rust crates
57
parking_lot_core
growingv0.9.12
An advanced API for creating custom synchronization primitives.
61
parking_lot
growingv0.12.5
More compact and efficient implementations of the standard synchronization primitives.
47
usync
growingv0.2.1
fast, drop-in, synchronization primitives
Core Metrics
| parking_lot_core | parking_lot | usync | |
|---|---|---|---|
| Health Score | 57 | 61 | 47 |
| Total Downloads | 832.3M | 808.7M | 41.7K |
| 30d Downloads | 64.9M | 63.7M | 0 |
| Dependents | 693 | 99.4K | 6 |
| Releases | 53 | 58 | 5 |
| Last Updated | 234d ago | 234d ago | 1457d ago |
| Age | 9y 9m | 10y | 5y 7m |
Health Breakdown
parking_lot_core
Maintenance
9
Quality
13
Community
15
Popularity
8
Documentation
12
parking_lot
Maintenance
9
Quality
16
Community
16
Popularity
8
Documentation
12
usync
Maintenance
3
Quality
17
Community
8
Popularity
6
Documentation
13
Technical Details
| parking_lot_core | parking_lot | usync | |
|---|---|---|---|
| Version | 0.9.12 | 0.12.5 | 0.2.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 7 | 4 | 2 |
| Crate Size | 34KB | 47KB | 36KB |
| Features | 2 | 8 | 3 |
| Yanked % | 5.7% | 1.7% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.71.0 | 1.71 | — |
| Owners | 2 | 2 | 1 |
Links
Quick Verdict
- •parking_lot leads with a health score of 61/100, but none of the options score above 80.
- •parking_lot_core has the most downloads (832.3M), suggesting wider adoption.
- •parking_lot is depended on by 99.4K crates — strongest ecosystem trust.
- •⚠ usync has not been updated in over a year.