Decision Workspace
volatile_table vs reg-map vs ddevmem
Side-by-side comparison of Rust crates
42
volatile_table
experimentalv0.0.1
A zero-cost, type-safe DSL for MMIO and volatile register mapping with compile-time access control (RO/RW/WO).
43
reg-map
growingv0.1.1
Derive volatile accesses to a register map and memory-mapped IO
58
ddevmem
growingv0.4.1
Safe, ergonomic access to physical memory via /dev/mem with volatile MMIO semantics, declarative register maps, and an optional web UI.
Core Metrics
| volatile_table | reg-map | ddevmem | |
|---|---|---|---|
| Health Score | 42 | 43 | 58 |
| Total Downloads | 14 | 2.1K | 8.0K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 2 | 12 |
| Last Updated | 32d ago | 593d ago | 21d ago |
| Age | 1m | 1y 8m | 1y 6m |
Health Breakdown
volatile_table
Maintenance
11
Quality
14
Community
6
Popularity
1
Documentation
10
reg-map
Maintenance
5
Quality
15
Community
6
Popularity
4
Documentation
13
ddevmem
Maintenance
18
Quality
16
Community
6
Popularity
5
Documentation
13
Technical Details
| volatile_table | reg-map | ddevmem | |
|---|---|---|---|
| Version | 0.0.1 | 0.1.1 | 0.4.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 1 | 1 | 11 |
| Crate Size | 13KB | 17KB | 53KB |
| Features | 0 | 0 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •ddevmem leads with a health score of 58/100, but none of the options score above 80.
- •⚠ reg-map has not been updated in over a year.