Decision Workspace
ration vs psx-shm vs memmap2
Side-by-side comparison of Rust crates
38
ration
growingv0.2.1
A shared memory library
52
psx-shm
growingv0.2.1
POSIX shared memory wrapper.
66
memmap2
growingv0.9.10
Cross-platform Rust API for memory-mapped file IO
Core Metrics
| ration | psx-shm | memmap2 | |
|---|---|---|---|
| Health Score | 38 | 52 | 66 |
| Total Downloads | 2.1K | 7.1K | 212.7M |
| 30d Downloads | 5 | 895 | 15.4M |
| Dependents | 0 | 14 | 14.4K |
| Releases | 3 | 4 | 35 |
| Last Updated | 380d ago | 122d ago | 40d ago |
| Age | 1y 1m | 2y 8m | 6y 2m |
Health Breakdown
ration
Maintenance
6
Quality
15
Community
3
Popularity
4
Documentation
10
psx-shm
Maintenance
11
Quality
15
Community
8
Popularity
5
Documentation
13
memmap2
Maintenance
16
Quality
11
Community
16
Popularity
8
Documentation
15
Technical Details
| ration | psx-shm | memmap2 | |
|---|---|---|---|
| Version | 0.2.1 | 0.2.1 | 0.9.10 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MPL-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 2 | 4 |
| Crate Size | 11KB | 11KB | 35KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 5.7% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | 1.63 |
| Owners | 1 | 2 | 4 |
Links
Quick Verdict
- •memmap2 leads with a health score of 66/100, but none of the options score above 80.
- •memmap2 is depended on by 14.4K crates — strongest ecosystem trust.
- •⚠ ration has not been updated in over a year.