#1831: Enable MPI in FFTW3
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Reporter: eschnett | Owner:
Type: enhancement | Status: reopened
Priority: optional | Milestone:
Component: EinsteinToolkit thorn | Version: development version
Resolution: | Keywords:
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Comment (by eschnett):
This change allows parallel FFTs. Without this, only process-local FFTs
are possible, which is limiting. I'd assume that most times you want an
FFT, you'll have a uniform grid, and if you are running on multiple
processes you will need the parallel version.
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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1831#comment:6>
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