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SlabFFT #57

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AdwardAllan opened this issue Sep 1, 2022 · 1 comment

AdwardAllan commented Sep 1, 2022

hello,
How to use slab decomposition for 3D FFT.

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jipolanco commented Sep 1, 2022

That's described in the docs, see here for example.

Basically, if you're following the tutorial, you just need to change

pen = Pencil(dims, comm)  # defaults to 2D decomposition in 3D

to

decomp_dims = (3,)  # decompose 3rd dimension only (for example)
pen = Pencil(dims, decomp_dims, comm)

jipolanco closed this as completed

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