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WIP MPI models (don't run me plz I'm broken)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,129 +1,150 @@ | ||
| using FastIce | ||
| using FastIce.Architectures | ||
| using FastIce.Grids | ||
| using FastIce.Fields | ||
| using FastIce.Utils | ||
| using FastIce.BoundaryConditions | ||
| using FastIce.Models.FullStokes.Isothermal | ||
| using FastIce.Physics | ||
| using FastIce.Distributed | ||
| using FastIce.KernelLaunch | ||
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| using MPI | ||
| const VBC = BoundaryCondition{Velocity} | ||
| const TBC = BoundaryCondition{Traction} | ||
| const SBC = BoundaryCondition{Slip} | ||
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| using KernelAbstractions | ||
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| using Printf | ||
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| MPI.Init() | ||
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| dims = (0, 0, 0) | ||
| # using GLMakie | ||
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| topology = CartesianTopology(dims) | ||
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| me = global_rank(topology) | ||
| device_id = shared_rank(topology) | ||
| comm = cartesian_communicator(topology) | ||
| dims = dimensions(topology) | ||
| using FastIce.Distributed | ||
| using MPI | ||
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| size_l = (64, 64, 64) | ||
| MPI.Init() | ||
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| size_g = global_grid_size(topology, size_l) | ||
| backend = CPU() | ||
| dims = (2, 0, 2) | ||
| arch = Architecture(backend, dims, MPI.COMM_WORLD) | ||
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| # physics | ||
| ebg = 1.0 | ||
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| global_grid = CartesianGrid( | ||
| origin = (-0.5, -0.5, 0.0), | ||
| extent = ( 1.0, 1.0, 1.0), | ||
| size = size_g, | ||
| ) | ||
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| grid = local_grid(global_grid, topology) | ||
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| @printf("process %d/%d on node %s, global rank %02d\n", device_id + 1, node_size(topology), node_name(topology), me + 1) | ||
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| # psh_x(x, _, _) = -x*ebg | ||
| # psh_y(_, y, _) = y*ebg | ||
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| # x_bc = BoundaryFunction(psh_x; reduce_dims=false) | ||
| # y_bc = BoundaryFunction(psh_y; reduce_dims=false) | ||
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| # boundary_conditions = ( | ||
| # west = BoundaryCondition{Velocity}(x_bc, y_bc, 0.0), | ||
| # east = BoundaryCondition{Velocity}(x_bc, y_bc, 0.0), | ||
| # south = BoundaryCondition{Velocity}(x_bc, y_bc, 0.0), | ||
| # north = BoundaryCondition{Velocity}(x_bc, y_bc, 0.0), | ||
| # bottom = BoundaryCondition{Velocity}(0.0 , 0.0 , 0.0), | ||
| # top = BoundaryCondition{Velocity}(0.0 , 0.0 , 0.0), | ||
| # ) | ||
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| # r = 0.7 | ||
| # re_mech = 10π | ||
| # lτ_re_m = minimum(extent(grid)) / re_mech | ||
| # vdτ = minimum(spacing(grid)) / sqrt(10.1) | ||
| # θ_dτ = lτ_re_m * (r + 4 / 3) / vdτ | ||
| # dτ_r = 1.0 / (θ_dτ + 1.0) | ||
| # nudτ = vdτ * lτ_re_m | ||
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| # iter_params = ( | ||
| # η_rel = 1e-1, | ||
| # Δτ = ( Pr = r / θ_dτ, τ = (xx = dτ_r, yy = dτ_r, zz = dτ_r, xy = dτ_r, xz = dτ_r, yz = dτ_r), V = (x = nudτ, y = nudτ, z = nudτ)), | ||
| # ) | ||
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| # backend = CPU() | ||
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| # physics = (rheology = GlensLawRheology(1), ) | ||
| # other_fields = ( | ||
| # A = Field(backend, grid, Center()), | ||
| # ) | ||
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| # init_incl(x, y, z, x0, y0, z0, r, Ai, Am) = ifelse((x-x0)^2 + (y-y0)^2 + (z-z0)^2 < r^2, Ai, Am) | ||
| # set!(other_fields.A, grid, init_incl; parameters = (x0 = 0.0, y0 = 0.0, z0 = 0.5, r = 0.2, Ai = 1e1, Am = 1.0)) | ||
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| # model = IsothermalFullStokesModel(; | ||
| # backend, | ||
| # grid, | ||
| # physics, | ||
| # boundary_conditions, | ||
| # iter_params, | ||
| # other_fields | ||
| # ) | ||
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| # fig = Figure(resolution=(1000,1000), fontsize=32) | ||
| # axs = ( | ||
| # Pr = Axis(fig[1,1][1,1]; aspect=DataAspect(), xlabel="x", ylabel="y", title="Pr"), | ||
| # Vx = Axis(fig[2,1][1,1]; aspect=DataAspect(), xlabel="x", ylabel="y", title="Vx"), | ||
| # Vy = Axis(fig[2,2][1,1]; aspect=DataAspect(), xlabel="x", ylabel="y", title="Vy"), | ||
| # ) | ||
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| # plt = ( | ||
| # Pr = heatmap!(axs.Pr, xcenters(grid), ycenters(grid), interior(model.fields.Pr)[:, :, size(grid,3)÷2]; colormap=:turbo), | ||
| # Vx = heatmap!(axs.Vx, xvertices(grid), ycenters(grid), interior(model.fields.V.x)[:, :, size(grid,3)÷2]; colormap=:turbo), | ||
| # Vy = heatmap!(axs.Vy, xcenters(grid), yvertices(grid), interior(model.fields.V.y)[:, :, size(grid,3)÷2]; colormap=:turbo), | ||
| # ) | ||
| # Colorbar(fig[1,1][1,2], plt.Pr) | ||
| # Colorbar(fig[2,1][1,2], plt.Vx) | ||
| # Colorbar(fig[2,2][1,2], plt.Vy) | ||
| topo = details(arch) | ||
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| size_l = (32, 32, 32) | ||
| size_g = global_grid_size(topo, size_l) | ||
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| if global_rank(topo) == 0 | ||
| @show dimensions(topo) | ||
| @show size_g | ||
| end | ||
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| grid_g = CartesianGrid(; origin=(-1.0, -0.5, 0.0), | ||
| extent=(2.0, 1.0, 2.0), | ||
| size=size_g) | ||
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| grid_l = local_grid(grid_g, topo) | ||
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| psh_x(x, _, _) = -x * ebg | ||
| psh_y(_, y, _) = y * ebg | ||
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| x_bc = BoundaryFunction(psh_x; reduce_dims=false) | ||
| y_bc = BoundaryFunction(psh_y; reduce_dims=false) | ||
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| boundary_conditions = (x = (VBC(x_bc, y_bc, 0.0), VBC(x_bc, y_bc, 0.0)), | ||
| y = (VBC(x_bc, y_bc, 0.0), VBC(x_bc, y_bc, 0.0)), | ||
| z = (SBC(0.0, 0.0, 0.0), TBC(0.0, 0.0, 0.0))) | ||
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| # numerics | ||
| nt = 1000 | ||
| nviz = 10 | ||
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| r = 0.7 | ||
| re_mech = 10π | ||
| lτ_re_m = minimum(extent(grid_g)) / re_mech | ||
| vdτ = minimum(spacing(grid_g)) / sqrt(ndims(grid_g) * 3.1) | ||
| θ_dτ = lτ_re_m * (r + 4 / 3) / vdτ | ||
| dτ_r = 1.0 / (θ_dτ + 1.0) | ||
| nudτ = vdτ * lτ_re_m | ||
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| iter_params = (η_rel=1e-1, | ||
| Δτ=(Pr=r / θ_dτ, τ=(xx=dτ_r, yy=dτ_r, zz=dτ_r, xy=dτ_r, xz=dτ_r, yz=dτ_r), V=(x=nudτ, y=nudτ, z=nudτ))) | ||
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| physics = (rheology=GlensLawRheology(1),) | ||
| other_fields = (A=Field(backend, grid_l, Center()),) | ||
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| init_incl(x, y, z, x0, y0, z0, r, Ai, Am) = ifelse((x - x0)^2 + (y - y0)^2 + (z - z0)^2 < r^2, Ai, Am) | ||
| set!(other_fields.A, grid_l, init_incl; parameters=(x0=0.0, y0=0.0, z0=0.5, r=0.2, Ai=1e-1, Am=1.0)) | ||
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| model = IsothermalFullStokesModel(; | ||
| arch, | ||
| grid=grid_l, | ||
| physics, | ||
| boundary_conditions, | ||
| iter_params, | ||
| other_fields) | ||
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| # if global_rank(topo) == 0 | ||
| # fig = Figure(; resolution=(1200, 1000), fontsize=32) | ||
| # axs = (Pr=Axis(fig[1, 1][1, 1]; aspect=DataAspect(), xlabel="x", ylabel="z", title="Pr"), | ||
| # Vx=Axis(fig[1, 2][1, 1]; aspect=DataAspect(), xlabel="x", ylabel="z", title="Vx"), | ||
| # Vy=Axis(fig[2, 1][1, 1]; aspect=DataAspect(), xlabel="x", ylabel="z", title="Vy"), | ||
| # Vz=Axis(fig[2, 2][1, 1]; aspect=DataAspect(), xlabel="x", ylabel="z", title="Vz")) | ||
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| # plt = (Pr=heatmap!(axs.Pr, xcenters(grid_l), zcenters(grid_l), interior(model.fields.Pr)[:, size(grid_l, 2)÷2, :]; colormap=:turbo), | ||
| # Vx=heatmap!(axs.Vx, xvertices(grid_l), zcenters(grid_l), interior(model.fields.V.x)[:, size(grid_l, 2)÷2, :]; colormap=:turbo), | ||
| # Vy=heatmap!(axs.Vy, xcenters(grid_l), zcenters(grid_l), interior(model.fields.V.y)[:, size(grid_l, 2)÷2, :]; colormap=:turbo), | ||
| # Vz=heatmap!(axs.Vz, xcenters(grid_l), zvertices(grid_l), interior(model.fields.V.z)[:, size(grid_l, 2)÷2, :]; colormap=:turbo)) | ||
| # Colorbar(fig[1, 1][1, 2], plt.Pr) | ||
| # Colorbar(fig[1, 2][1, 2], plt.Vx) | ||
| # Colorbar(fig[2, 1][1, 2], plt.Vy) | ||
| # Colorbar(fig[2, 2][1, 2], plt.Vz) | ||
| # end | ||
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| # set!(model.fields.Pr, 0.0) | ||
| # foreach(x -> set!(x, 0.0), model.fields.τ) | ||
| # Isothermal._apply_bcs!(model.backend, model.grid, model.fields, model.boundary_conditions.stress) | ||
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| # set!(model.fields.V.x, grid, psh_x) | ||
| # set!(model.fields.V.y, grid, psh_y) | ||
| # set!(model.fields.V.z, 0.0) | ||
| # Isothermal._apply_bcs!(model.backend, model.grid, model.fields, model.boundary_conditions.velocity) | ||
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| # set!(model.fields.η, other_fields.A) | ||
| # extrapolate!(model.fields.η) | ||
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| # for it in 1:10 | ||
| # advance_iteration!(model, 0.0, 1.0; async = false) | ||
| # if it % 10 == 0 | ||
| # plt.Pr[3][] = interior(model.fields.Pr)[:, :, size(grid,3)÷2] | ||
| # plt.Vx[3][] = interior(model.fields.V.x)[:, :, size(grid,3)÷2] | ||
| # plt.Vy[3][] = interior(model.fields.V.y)[:, :, size(grid,3)÷2] | ||
| # yield() | ||
| # end | ||
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| fill!(parent(model.fields.Pr), 0.0) | ||
| foreach(x -> fill!(parent(x), 0.0), model.fields.τ) | ||
| foreach(x -> fill!(parent(x), 0.0), model.fields.V) | ||
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| KernelLaunch.apply_all_boundary_conditions!(arch, grid_l, model.boundary_conditions.stress) | ||
| println("$(global_rank(topo)) applied stress BCs") | ||
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| set!(model.fields.V.x, grid_l, psh_x) | ||
| set!(model.fields.V.y, grid_l, psh_y) | ||
| set!(model.fields.V.z, 0.0) | ||
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| # println("at rank $(global_rank(topo)) bcs $(typeof(model.boundary_conditions.velocity))") | ||
| println("at rank $(global_rank(topo)) topo $topo") | ||
| MPI.Barrier(cartesian_communicator(topo)) | ||
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| KernelLaunch.apply_all_boundary_conditions!(arch, grid_l, model.boundary_conditions.velocity) | ||
| println("$(global_rank(topo)) applied velocity BCs") | ||
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| set!(model.fields.η, other_fields.A) | ||
| extrapolate!(model.fields.η) | ||
|
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| # if global_rank(topo) == 0 | ||
| # display(fig) | ||
| # end | ||
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| MPI.Finalize() | ||
| println("Hi from $(global_rank(topo))") | ||
| MPI.Barrier(cartesian_communicator(topo)) | ||
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| for it in 1:nt | ||
| advance_iteration!(model, 0.0, 1.0; async=false) | ||
| if it % nviz == 0# && global_rank(topo) == 0 | ||
| if global_rank(topo) == 0 | ||
| println("it = $it/$nt") | ||
| end | ||
| # plt.Pr[3][] = interior(model.fields.Pr)[:, size(grid_l, 2)÷2, :] | ||
| # plt.Vx[3][] = interior(model.fields.V.x)[:, size(grid_l, 2)÷2, :] | ||
| # plt.Vy[3][] = interior(model.fields.V.y)[:, size(grid_l, 2)÷2, :] | ||
| # plt.Vz[3][] = interior(model.fields.V.z)[:, size(grid_l, 2)÷2, :] | ||
| # yield() | ||
| end | ||
| end | ||
|
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| sleep(30) | ||
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| MPI.Finalize() |
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