Distributed Fourier Neural Operators can compute their truncated spectra with local partial DFTs and two collectives on the kept modes, giving exact results with communication independent of grid resolution.
DaggerFFT: A distributed FFT framework using task scheduling in Julia,
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DRIFT: Direct Reduced Fourier Transforms for Distributed Spectral Neural Operators
Distributed Fourier Neural Operators can compute their truncated spectra with local partial DFTs and two collectives on the kept modes, giving exact results with communication independent of grid resolution.