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(0.2.0) Pencil decomposition for the TripolarGrid #32

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@simone-silvestri simone-silvestri commented Sep 16, 2024

This PR introduces pencil decomposition (in x and y) for the tripolar grid, contingent on having a even number of processors in the x-direction.
Also fixes some bugs in the previously untested y-slab partitioning and adds tests for the distributed tripolar grid.

Tests have been added and everything seems to work nicely.
However, this PR depends on PR CliMA/Oceananigans.jl#3714, so I will work on the Oceananigans PR, then we can look at this one.

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Apparently, using MPI in GitHub actions is trivial, we just need to launch the example with mpiexec(cmd -> ...)

@simone-silvestri simone-silvestri changed the title Pencil decomposition for the TripolarGrid (0.2.0) Pencil decomposition for the TripolarGrid Sep 17, 2024
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