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Warning when user wants MultiLayerQG on the GPU #208

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Mar 7, 2021
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Warning when user wants MultiLayerQG on the GPU #208

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994535d
adds warning when user wants MultiLayerQG on GPU
navidcy Mar 6, 2021
b1394b4
better phrasing
navidcy Mar 6, 2021
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6 changes: 6 additions & 0 deletions src/multilayerqg.jl
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Expand Up @@ -59,6 +59,12 @@ function Problem(nlayers::Int, # number of fluid layers
linear = false,
T = Float64)

if dev == GPU()
@warn """MultiLayerQG module not well optimized on the GPU yet.
See issue on Github at https://github.com/FourierFlows/GeophysicalFlows.jl/issues/112.
For now, we suggest running MultiLayerQG on CPUs only."""
end

# topographic PV
eta === nothing && (eta = zeros(dev, T, (nx, ny)))

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