Decision Workspace
rc_event_queue vs crossbeam-queue vs ubq
Side-by-side comparison of Rust crates
39
rc_event_queue
growingv0.4.3
VecDeque-like fast, unbounded, FIFO, concurent read-lock-free message queue.
60
crossbeam-queue
growingv0.3.12
Concurrent queues
55
ubq
experimentalv4.0.0
Lock-free unbounded MPMC queue backed by a linked ring of fixed-size blocks.
Core Metrics
| rc_event_queue | crossbeam-queue | ubq | |
|---|---|---|---|
| Health Score | 39 | 60 | 55 |
| Total Downloads | 16.3K | 253.0M | 114 |
| 30d Downloads | 0 | 21.5M | 0 |
| Dependents | 0 | 4.4K | 0 |
| Releases | 9 | 21 | 7 |
| Last Updated | 561d ago | 526d ago | 19d ago |
| Age | 4y 8m | 7y 8m | 3m |
Health Breakdown
rc_event_queue
Maintenance
4
Quality
15
Community
6
Popularity
5
Documentation
9
crossbeam-queue
Maintenance
6
Quality
14
Community
20
Popularity
8
Documentation
12
ubq
Maintenance
18
Quality
19
Community
6
Popularity
2
Documentation
10
Technical Details
| rc_event_queue | crossbeam-queue | ubq | |
|---|---|---|---|
| Version | 0.4.3 | 0.3.12 | 4.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 7 | 2 | 12 |
| Crate Size | 32KB | 16KB | 87KB |
| Features | 1 | 4 | 10 |
| Yanked % | 0.0% | 9.5% | 0.0% |
| Edition | 2018 | 2021 | 2024 |
| MSRV | — | 1.60 | — |
| Owners | 1 | 3 (team) | 1 |
Links
Quick Verdict
- •crossbeam-queue leads with a health score of 60/100, but none of the options score above 80.
- •crossbeam-queue is depended on by 4.4K crates — strongest ecosystem trust.
- •⚠ rc_event_queue, crossbeam-queue have not been updated in over a year.
- •rc_event_queue, crossbeam-queue are pre-1.0 — API may change.