Decision Workspace
rmpfit vs varpro vs resopt
Side-by-side comparison of Rust crates
54
rmpfit
stablev1.0.0
Pure Rust implementation of the CMPFIT library
53
varpro
growingv0.14.0
A straightforward nonlinear least-squares fitting library which uses the Variable Projection algorithm.
53
resopt
experimentalv0.3.0
Declarative constrained residual optimization in Rust
Core Metrics
| rmpfit | varpro | resopt | |
|---|---|---|---|
| Health Score | 54 | 53 | 53 |
| Total Downloads | 36.0K | 179.0K | 55 |
| 30d Downloads | 9.8K | 43.2K | 55 |
| Dependents | 31 | 0 | 2 |
| Releases | 6 | 22 | 3 |
| Last Updated | 3d ago | 133d ago | 14d ago |
| Age | 5y 1m | 5y 1m | 14d |
Health Breakdown
rmpfit
Maintenance
16
Quality
16
Community
7
Popularity
5
Documentation
10
varpro
Maintenance
13
Quality
16
Community
6
Popularity
6
Documentation
12
resopt
Maintenance
13
Quality
16
Community
7
Popularity
2
Documentation
15
Technical Details
| rmpfit | varpro | resopt | |
|---|---|---|---|
| Version | 1.0.0 | 0.14.0 | 0.3.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 1 | 15 | 1 |
| Crate Size | 26KB | 146KB | 25KB |
| Features | 0 | 11 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.87 | 1.74 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •rmpfit leads with a health score of 54/100, but none of the options score above 80.
- •varpro has the most downloads (179.0K), suggesting wider adoption.
- •varpro, resopt are pre-1.0 — API may change.