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Show how to distribute the super simple simulation #4

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Show how to distribute the super simple simulation #4

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9 changes: 5 additions & 4 deletions oceananigans-dynamical-core/super_simple_simulation.jl
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Expand Up @@ -7,16 +7,17 @@ Reactant.Ops.DEBUG_MODE[] = true
ENV["JULIA_DEBUG"] = "Reactant_jll"
@show Reactant_jll.cuDriverGetVersion(dlopen("libcuda.so"))

arch = GPU() # CPU() to run on CPU
# arch = CPU()
# arch = Distributed(GPU(), partition=Partition(2, 2)) # distributed on 4 GPUs
arch = GPU()
Nx, Ny, Nz = (360, 120, 100) # number of cells

grid = LatitudeLongitudeGrid(arch, size=(Nx, Ny, Nz), halo=(7, 7, 7),
longitude=(0, 360), latitude=(-60, 60), z=(-1000, 0))

# One of the implest configurations we might consider:
model = HydrostaticFreeSurfaceModel(; grid, momentum_advection=WENO())

@assert model.free_surface isa SplitExplicitFreeSurface
free_surface = SplitExplicitFreeSurface(substeps=30)
model = HydrostaticFreeSurfaceModel(; grid, free_surface, momentum_advection=WENO())

uᵢ(x, y, z) = randn()
set!(model, u=uᵢ, v=uᵢ)
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