Decision Workspace
unlock vs parking_lot vs parking_lot_core
Side-by-side comparison of Rust crates
49
unlock
growingv0.0.13
Instrumented synchronization primitives helping you to unlock performance issues
62
parking_lot
growingv0.12.5
More compact and efficient implementations of the standard synchronization primitives.
58
parking_lot_core
growingv0.9.12
An advanced API for creating custom synchronization primitives.
Core Metrics
| unlock | parking_lot | parking_lot_core | |
|---|---|---|---|
| Health Score | 49 | 62 | 58 |
| Total Downloads | 15.9K | 696.4M | 717.9M |
| 30d Downloads | 17 | 46.9M | 47.7M |
| Dependents | 0 | 84.6K | 670 |
| Releases | 13 | 58 | 53 |
| Last Updated | 774d ago | 175d ago | 175d ago |
| Age | 2y 1m | 9y 10m | 9y 7m |
Health Breakdown
unlock
Maintenance
7
Quality
17
Community
5
Popularity
5
Documentation
15
parking_lot
Maintenance
10
Quality
16
Community
16
Popularity
8
Documentation
12
parking_lot_core
Maintenance
10
Quality
13
Community
15
Popularity
8
Documentation
12
Technical Details
| unlock | parking_lot | parking_lot_core | |
|---|---|---|---|
| Version | 0.0.13 | 0.12.5 | 0.9.12 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 4 | 7 |
| Crate Size | 22KB | 47KB | 34KB |
| Features | 2 | 8 | 2 |
| Yanked % | 0.0% | 1.7% | 5.7% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.65 | 1.71 | 1.71.0 |
| Owners | 1 | 2 | 2 |
Links
Quick Verdict
- •parking_lot leads with a health score of 62/100, but none of the options score above 80.
- •parking_lot_core has the most downloads (717.9M), suggesting wider adoption.
- •parking_lot is depended on by 84.6K crates — strongest ecosystem trust.
- •⚠ unlock has not been updated in over a year.