AdwardAllan opened this issue 2 years ago · 1 comments
hello, How to use slab decomposition for 3D FFT.
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)