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Try using purely vertical spaces for column configurations #3398

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charleskawczynski
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While looking at calibrations, I realized that we seem to always generate VIJFH datalayouts, even for column cases. Our CPU and GPU code paths for each datalayout is split so that we can optimize kernels specifically for those datalayouts. So, we should probably allow these spaces to be flexible so that we get the most out of the true datalayout.

@Sbozzolo
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I also would like to see this. Note that this will require also fixing all the postprocessing (that assumed that columns were actually boxes) and fixing this: CliMA/ClimaCore.jl#2032

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