Decision Workspace
substd vs copy-stack-vec vs mnemefusion-core
Side-by-side comparison of Rust crates
40
substd
growingv0.0.1
An unstable replacement for std and core modules with a focus on speed over safety.
50
copy-stack-vec
experimentalv0.1.0
A no_std, fixed-capacity, stack-allocated Copy vector for Copy types, with no unsafe code by default.
49
mnemefusion-core
experimentalv0.1.3
Unified memory engine for AI applications - Core library
Core Metrics
| substd | copy-stack-vec | mnemefusion-core | |
|---|---|---|---|
| Health Score | 40 | 50 | 49 |
| Total Downloads | 828 | 100 | 56 |
| 30d Downloads | 3 | 4 | 56 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 2 | 4 |
| Last Updated | 414d ago | 129d ago | 10d ago |
| Age | 1y 1m | 4m | 12d |
Health Breakdown
substd
Maintenance
2
Quality
17
Community
6
Popularity
3
Documentation
12
copy-stack-vec
Maintenance
11
Quality
16
Community
6
Popularity
2
Documentation
15
mnemefusion-core
Maintenance
18
Quality
13
Community
6
Popularity
2
Documentation
10
Technical Details
| substd | copy-stack-vec | mnemefusion-core | |
|---|---|---|---|
| Version | 0.0.1 | 0.1.0 | 0.1.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 2 | 21 |
| Crate Size | 20KB | 32KB | 305KB |
| Features | 1 | 3 | 6 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.85.0 | 1.85 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •copy-stack-vec leads with a health score of 50/100, but none of the options score above 80.
- •substd has the most downloads (828), suggesting wider adoption.
- •⚠ substd has not been updated in over a year.