Decision Workspace
wfbuf vs shm-primitives vs rtrb
Side-by-side comparison of Rust crates
33
wfbuf
growingv0.1.1
Naive wait free buffer for fast interprocess data streaming on linux.
63
shm-primitives
experimentalv7.3.0
Lock-free primitives for shared memory IPC: BipBuffer, slot metadata, and OS-level doorbell/mmap
61
rtrb
growingv0.3.3
A realtime-safe single-producer single-consumer ring buffer
Core Metrics
| wfbuf | shm-primitives | rtrb | |
|---|---|---|---|
| Health Score | 33 | 63 | 61 |
| Total Downloads | 4.6K | 931 | 5.2M |
| 30d Downloads | 4 | 387 | 769.1K |
| Dependents | 0 | 18 | 532 |
| Releases | 2 | 11 | 13 |
| Last Updated | 3571d ago | 4d ago | 31d ago |
| Age | 10y 4m | 3m | 5y 4m |
Health Breakdown
wfbuf
Maintenance
3
Quality
15
Community
3
Popularity
4
Documentation
8
shm-primitives
Maintenance
19
Quality
16
Community
9
Popularity
4
Documentation
15
rtrb
Maintenance
15
Quality
14
Community
13
Popularity
8
Documentation
11
Technical Details
| wfbuf | shm-primitives | rtrb | |
|---|---|---|---|
| Version | 0.1.1 | 7.3.0 | 0.3.3 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | GPL-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 4 | 3 |
| Crate Size | 2KB | 39KB | 38KB |
| Features | 0 | 1 | 2 |
| Yanked % | 0.0% | 0.0% | 7.7% |
| Edition | — | 2024 | 2018 |
| MSRV | — | 1.91 | 1.38 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •shm-primitives leads with a health score of 63/100, but none of the options score above 80.
- •rtrb has the most downloads (5.2M), suggesting wider adoption.
- •rtrb is depended on by 532 crates — strongest ecosystem trust.
- •⚠ wfbuf has not been updated in over a year.
- •wfbuf, rtrb are pre-1.0 — API may change.