Decision Workspace
codas-flow vs ringbuf vs shm-primitives
Side-by-side comparison of Rust crates
48
codas-flow
growingv0.7.1
Low-latency, high-throughput bounded queues ("data flows") for (a)synchronous and event-driven systems.
69
ringbuf
growingv0.5.0
Lock-free SPSC FIFO ring buffer with direct access to inner data
62
shm-primitives
experimentalv7.3.0
Lock-free primitives for shared memory IPC: BipBuffer, slot metadata, and OS-level doorbell/mmap
Core Metrics
| codas-flow | ringbuf | shm-primitives | |
|---|---|---|---|
| Health Score | 48 | 69 | 62 |
| Total Downloads | 2.8K | 12.6M | 1.4K |
| 30d Downloads | 0 | 920.2K | 0 |
| Dependents | 0 | 1.5K | 26 |
| Releases | 7 | 41 | 15 |
| Last Updated | 85d ago | 22d ago | 56d ago |
| Age | 1y 6m | 7y 4m | 5m |
Health Breakdown
codas-flow
Maintenance
13
Quality
15
Community
6
Popularity
4
Documentation
10
ringbuf
Maintenance
18
Quality
13
Community
17
Popularity
8
Documentation
13
shm-primitives
Maintenance
16
Quality
17
Community
10
Popularity
4
Documentation
15
Technical Details
| codas-flow | ringbuf | shm-primitives | |
|---|---|---|---|
| Version | 0.7.1 | 0.5.0 | 7.3.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT/Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 6 | 4 | 4 |
| Crate Size | 22KB | 32KB | 39KB |
| Features | 1 | 6 | 1 |
| Yanked % | 0.0% | 14.6% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | — | 1.91 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •ringbuf leads with a health score of 69/100, but none of the options score above 80.
- •ringbuf is depended on by 1.5K crates — strongest ecosystem trust.
- •codas-flow, ringbuf are pre-1.0 — API may change.