Decision Workspace
monarch-butterfly vs rustfft vs realfft
Side-by-side comparison of Rust crates
50
monarch-butterfly
growingv0.4.1
Proc-Macro unrolled FFTs
67
rustfft
growingv6.4.1
High-performance FFT library written in pure Rust.
61
realfft
growingv3.5.0
Real-to-complex forward FFT and complex-to-real inverse FFT for Rust
Core Metrics
| monarch-butterfly | rustfft | realfft | |
|---|---|---|---|
| Health Score | 50 | 67 | 61 |
| Total Downloads | 3.7K | 15.7M | 8.9M |
| 30d Downloads | 9 | 1.4M | 1.1M |
| Dependents | 0 | 2.8K | 630 |
| Releases | 6 | 25 | 17 |
| Last Updated | 360d ago | 191d ago | 288d ago |
| Age | 1y | 11y 2m | 5y 9m |
Health Breakdown
monarch-butterfly
Maintenance
11
Quality
14
Community
6
Popularity
4
Documentation
15
rustfft
Maintenance
9
Quality
20
Community
15
Popularity
8
Documentation
15
realfft
Maintenance
7
Quality
23
Community
14
Popularity
8
Documentation
9
Technical Details
| monarch-butterfly | rustfft | realfft | |
|---|---|---|---|
| Version | 0.4.1 | 6.4.1 | 3.5.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 4 | 13 | 3 |
| Crate Size | 13KB | 337KB | 17KB |
| Features | 0 | 5 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2018 |
| MSRV | 1.63 | 1.61 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •rustfft leads with a health score of 67/100, but none of the options score above 80.
- •rustfft is depended on by 2.8K crates — strongest ecosystem trust.
- •monarch-butterfly is pre-1.0 — API may change.