Decision Workspace
symdiff vs echidna vs numra-autodiff
Side-by-side comparison of Rust crates
47
symdiff
experimentalv2.1.0
Compile-time symbolic differentiation for Rust via a proc-macro attribute. Generates closed-form gradients at compile time.
61
echidna
experimentalv0.11.0
A high-performance automatic differentiation library for Rust
53
numra-autodiff
experimentalv0.1.5
Automatic differentiation for Numra: forward-mode (Dual numbers) and reverse-mode (tape) for gradients and Jacobians.
Core Metrics
| symdiff | echidna | numra-autodiff | |
|---|---|---|---|
| Health Score | 47 | 61 | 53 |
| Total Downloads | 58 | 3.2K | 176 |
| 30d Downloads | 0 | 2.0K | 0 |
| Dependents | 0 | 11 | 14 |
| Releases | 4 | 11 | 6 |
| Last Updated | 66d ago | 5d ago | 4d ago |
| Age | 2m | 3m | 12d |
Health Breakdown
symdiff
Maintenance
10
Quality
16
Community
6
Popularity
2
Documentation
13
echidna
Maintenance
19
Quality
14
Community
9
Popularity
4
Documentation
15
numra-autodiff
Maintenance
14
Quality
14
Community
9
Popularity
3
Documentation
13
Technical Details
| symdiff | echidna | numra-autodiff | |
|---|---|---|---|
| Version | 2.1.0 | 0.11.0 | 0.1.5 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | LicenseRef-Numra-Academic-Research-NonCommercial |
| Dependencies | 5 | 21 | 3 |
| Crate Size | 20KB | 450KB | 16KB |
| Features | 0 | 14 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.93 | 1.83 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •echidna leads with a health score of 61/100, but none of the options score above 80.
- •echidna, numra-autodiff are pre-1.0 — API may change.