Decision Workspace
ndarray-conv vs numra-fft vs numr
Side-by-side comparison of Rust crates
43
ndarray-conv
growingv0.6.1
N-Dimension convolution (with FFT) lib for ndarray.
52
numra-fft
experimentalv0.1.5
FFT and spectral analysis for Numra: complex/real FFT, IFFT, 2D FFT, convolution, PSD, Welch, STFT, windowing — built on rustfft.
50
numr
experimentalv0.5.2
High-performance numerical computing with multi-backend GPU acceleration (CPU/CUDA/WebGPU)
Core Metrics
| ndarray-conv | numra-fft | numr | |
|---|---|---|---|
| Health Score | 43 | 52 | 50 |
| Total Downloads | 93.9K | 137 | 841 |
| 30d Downloads | 3.6K | 0 | 0 |
| Dependents | 16 | 12 | 31 |
| Releases | 18 | 6 | 15 |
| Last Updated | 82d ago | 4d ago | 55d ago |
| Age | 3y 5m | 12d | 3m |
Health Breakdown
ndarray-conv
Maintenance
13
Quality
8
Community
6
Popularity
6
Documentation
10
numra-fft
Maintenance
14
Quality
13
Community
9
Popularity
3
Documentation
13
numr
Maintenance
16
Quality
6
Community
10
Popularity
3
Documentation
15
Technical Details
| ndarray-conv | numra-fft | numr | |
|---|---|---|---|
| Version | 0.6.1 | 0.1.5 | 0.5.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | LicenseRef-Numra-Academic-Research-NonCommercial | Apache-2.0 |
| Dependencies | 13 | 4 | 20 |
| Crate Size | 55KB | 17KB | 2.2MB |
| Features | 1 | 0 | 10 |
| Yanked % | 38.9% | 0.0% | 46.7% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | 1.83 | 1.89 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •numra-fft leads with a health score of 52/100, but none of the options score above 80.
- •ndarray-conv has the most downloads (93.9K), suggesting wider adoption.