Decision Workspace
windows_shared_memory vs shm-primitives vs bcast
Side-by-side comparison of Rust crates
50
windows_shared_memory
growingv0.1.5
Windows IPC library using shared memory. Supports 32-bit/64-bit cross-process communication
63
shm-primitives
experimentalv7.3.0
Lock-free primitives for shared memory IPC: BipBuffer, slot metadata, and OS-level doorbell/mmap
59
bcast
growingv0.0.28
Low latency broadcast (SPMC) buffer designed to work with shared memory.
Core Metrics
| windows_shared_memory | shm-primitives | bcast | |
|---|---|---|---|
| Health Score | 50 | 63 | 59 |
| Total Downloads | 2.1K | 931 | 18.2K |
| 30d Downloads | 25 | 392 | 178 |
| Dependents | 1 | 18 | 0 |
| Releases | 5 | 11 | 28 |
| Last Updated | 65d ago | 4d ago | 23d ago |
| Age | 1y 1m | 3m | 1y 4m |
Health Breakdown
windows_shared_memory
Maintenance
14
Quality
15
Community
7
Popularity
4
Documentation
10
shm-primitives
Maintenance
19
Quality
16
Community
9
Popularity
4
Documentation
15
bcast
Maintenance
18
Quality
15
Community
6
Popularity
5
Documentation
15
Technical Details
| windows_shared_memory | shm-primitives | bcast | |
|---|---|---|---|
| Version | 0.1.5 | 7.3.0 | 0.0.28 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 1 | 4 | 9 |
| Crate Size | 12KB | 39KB | 22KB |
| Features | 0 | 1 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | 1.91 | 1.88.0 |
| 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.
- •bcast has the most downloads (18.2K), suggesting wider adoption.
- •windows_shared_memory, bcast are pre-1.0 — API may change.