Decision Workspace
callosum vs shm-primitives-async vs myelon
Side-by-side comparison of Rust crates
38
callosum
experimentalv0.1.0
Zero-copy shared memory IPC for Rust
53
shm-primitives-async
experimentalv7.3.0
Async OS-level control primitives for shared memory IPC (doorbell and mmap control)
50
myelon
experimentalv0.1.0-alpha.2
Ultra-low-latency and high-throughput typed transport for multiprocess SHM and mmap. Layers framing, codecs, typed zero-copy, and inference-fabric topology helpers on disruptor-mp's LMAX-Disruptor-style ring substrate.
Core Metrics
| callosum | shm-primitives-async | myelon | |
|---|---|---|---|
| Health Score | 38 | 53 | 50 |
| Total Downloads | 42 | 569 | 45 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 12 | 1 |
| Releases | 1 | 13 | 2 |
| Last Updated | 171d ago | 56d ago | 4d ago |
| Age | 5m | 2m | 4d |
Health Breakdown
callosum
Maintenance
5
Quality
13
Community
6
Popularity
2
Documentation
12
shm-primitives-async
Maintenance
10
Quality
16
Community
9
Popularity
3
Documentation
15
myelon
Maintenance
14
Quality
15
Community
7
Popularity
2
Documentation
12
Technical Details
| callosum | shm-primitives-async | myelon | |
|---|---|---|---|
| Version | 0.1.0 | 7.3.0 | 0.1.0-alpha.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 6 | 7 | 7 |
| Crate Size | 20KB | 24KB | 73KB |
| Features | 0 | 0 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.85 | 1.91 | 1.86 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •shm-primitives-async leads with a health score of 53/100, but none of the options score above 80.
- •callosum, myelon are pre-1.0 — API may change.