Decision Workspace
semaphore-key vs rayon vs rayon-core
Side-by-side comparison of Rust crates
45
semaphore-key
growingv1.0.4
A Rust library to control concurrent thread access by key using a shared semaphore
68
rayon
growingv1.11.0
Simple work-stealing parallelism for Rust
66
rayon-core
growingv1.13.0
Core APIs for Rayon
Core Metrics
| semaphore-key | rayon | rayon-core | |
|---|---|---|---|
| Health Score | 45 | 68 | 66 |
| Total Downloads | 8.7K | 340.6M | 337.8M |
| 30d Downloads | 10 | 21.4M | 21.3M |
| Dependents | 0 | 105.0K | 483 |
| Releases | 7 | 39 | 28 |
| Last Updated | 1139d ago | 227d ago | 227d ago |
| Age | 3y 2m | 10y 3m | 9y |
Health Breakdown
semaphore-key
Maintenance
5
Quality
19
Community
6
Popularity
5
Documentation
10
rayon
Maintenance
10
Quality
19
Community
16
Popularity
8
Documentation
15
rayon-core
Maintenance
10
Quality
19
Community
14
Popularity
8
Documentation
15
Technical Details
| semaphore-key | rayon | rayon-core | |
|---|---|---|---|
| Version | 1.0.4 | 1.11.0 | 1.13.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | LGPL-2.1-only | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 5 | 5 | 7 |
| Crate Size | 16KB | 182KB | 73KB |
| Features | 0 | 1 | 1 |
| Yanked % | 0.0% | 0.0% | 3.6% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.80 | 1.80 |
| Owners | 1 | 2 | 2 |
Links
Quick Verdict
- •rayon leads with a health score of 68/100, but none of the options score above 80.
- •rayon is depended on by 105.0K crates — strongest ecosystem trust.
- •⚠ semaphore-key has not been updated in over a year.