Decision Workspace
slotbus-hub vs shm-primitives vs roam
Side-by-side comparison of Rust crates
46
slotbus-hub
experimentalv0.1.1
HTTP-to-SHM router with worker SDK. Workers register routes, clients send HTTP — slotbus-hub dispatches via shared memory with sub-millisecond round trips.
62
shm-primitives
experimentalv7.3.0
Lock-free primitives for shared memory IPC: BipBuffer, slot metadata, and OS-level doorbell/mmap
60
roam
experimentalv7.3.0
Core Roam library crate
Core Metrics
| slotbus-hub | shm-primitives | roam | |
|---|---|---|---|
| Health Score | 46 | 62 | 60 |
| Total Downloads | 32 | 1.4K | 1.7K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 26 | 10 |
| Releases | 2 | 15 | 9 |
| Last Updated | 44d ago | 56d ago | 80d ago |
| Age | 3m | 5m | 4m |
Health Breakdown
slotbus-hub
Maintenance
14
Quality
12
Community
6
Popularity
2
Documentation
12
shm-primitives
Maintenance
16
Quality
17
Community
10
Popularity
4
Documentation
15
roam
Maintenance
15
Quality
17
Community
9
Popularity
4
Documentation
15
Technical Details
| slotbus-hub | shm-primitives | roam | |
|---|---|---|---|
| Version | 0.1.1 | 7.3.0 | 7.3.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 13 | 4 | 8 |
| Crate Size | 60KB | 39KB | 15KB |
| Features | 0 | 1 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.75 | 1.91 | 1.91 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •shm-primitives leads with a health score of 62/100, but none of the options score above 80.
- •roam has the most downloads (1.7K), suggesting wider adoption.
- •slotbus-hub is pre-1.0 — API may change.