5 posts
Pure Rust FFT and the rustfft replacement. OxiFFT 0.3.2 completes multi-rank MPI execution for the 3D pencil decomposition, gates AVX-512 codelets behind a default-off feature so the build stays clean on rustc 1.95 stable, hardens ND-plan error handling, and refreshes the OxiCUDA GPU backend.
Pure Rust FFT and the rustfft replacement: OxiFFT 0.3.1 adds Winograd mixed-radix Cooley-Tukey for smooth-7 sizes (retiring Bluestein for them), FFTW-style MEASURE/PATIENT auto-tuning with a binary wisdom format and an oxifft_tune CLI, plus an opt-in ndarray integration.
Pure Rust FFT and the rustfft replacement. OxiFFT 0.3.0 lands an FFT-based Makhoul DCT (~4× flop reduction), a 7-gate FFTW parity harness, GPU batch FFT with auto-chunking, 3D pencil MPI, a cache-oblivious 4-step transform, and real WASM SIMD v128 — 1360 tests passing, default build still 100% Rust.
OxiFFT, the Pure Rust FFT and rustfft replacement, turns runtime panics into compile-time errors: 0.2.0 makes 2D/3D and real plans Option-returning with honest types, ships a drop-in fftw-compat API to port C code, and adds Debug and #[must_use] across every plan type. 858 tests passing.
OxiFFT 0.1.4, the Pure Rust FFT and rustfft replacement, adds a full signal-processing module — Hilbert transform, Welch PSD, cepstrum, and FFT resampling — plus mel-spectrogram and MFCC audio analysis. No C, no Fortran, no FFTW.