Decision Workspace
once-array vs quetzalcoatl vs photon-ring
Side-by-side comparison of Rust crates
43
once-array
experimentalv0.1.0
Append-only single-writer fixed-capacity vector that can be shared across threads and accessed as a slice
52
quetzalcoatl
experimentalv0.13.0
Lock-free ring buffers (SPSC, MPSC, SPMC, MPMC, and broadcast) for high-performance concurrent communication
54
photon-ring
experimentalv2.5.0
Ultra-low-latency SPMC/MPMC pub/sub using stamped ring buffers. Formally sound with atomic-slots feature. no_std compatible.
Core Metrics
| once-array | quetzalcoatl | photon-ring | |
|---|---|---|---|
| Health Score | 43 | 52 | 54 |
| Total Downloads | 127 | 518 | 572 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 1 | 5 | 2 |
| Releases | 1 | 16 | 20 |
| Last Updated | 139d ago | 29d ago | 110d ago |
| Age | 4m | 5m | 3m |
Health Breakdown
once-array
Maintenance
6
Quality
15
Community
7
Popularity
3
Documentation
12
quetzalcoatl
Maintenance
17
Quality
14
Community
8
Popularity
3
Documentation
10
photon-ring
Maintenance
14
Quality
15
Community
7
Popularity
3
Documentation
15
Technical Details
| once-array | quetzalcoatl | photon-ring | |
|---|---|---|---|
| Version | 0.1.0 | 0.13.0 | 2.5.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | Apache-2.0 |
| Dependencies | 0 | 7 | 10 |
| Crate Size | 10KB | 114KB | 577KB |
| Features | 0 | 2 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85 | — | 1.94 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •photon-ring leads with a health score of 54/100, but none of the options score above 80.
- •once-array, quetzalcoatl are pre-1.0 — API may change.