Use PrecompileTools

Project.toml

@@ -12,6 +12,7 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MPI = "da04e1cc-30fd-572f-bb4f-1f8673147195"
 OneDimensionalNodes = "c5182250-406c-41f5-b9da-836c94d3c2ab"
 P4estTypes = "f636fe8e-398d-42a9-9d15-dd2c0670d30f"
+PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
 RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
 Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
@@ -36,6 +37,7 @@ MPI = "0.20"
 OneDimensionalNodes = "1"
 P4estTypes = "0.2.0"
 RecipesBase = "1"
+PrecompileTools = "1"
 Requires = "1"
 SparseArrays = "1"
 StaticArrays = "1"

ext/RavenCUDAExt.jl

@@ -1,9 +1,14 @@
 module RavenCUDAExt
 
-import Raven
-import Adapt
-import MPI
-import StaticArrays
+import PrecompileTools
+
+PrecompileTools.@recompile_invalidations begin
+    import Raven
+    import Adapt
+    import MPI
+    import StaticArrays
+    import CUDA
+end
 
 isdefined(Base, :get_extension) ? (using CUDA) : (using ..CUDA)
 isdefined(Base, :get_extension) ? (using CUDA.CUDAKernels) : (using ..CUDA.CUDAKernels)
@@ -59,4 +64,15 @@ else
     Adapt.adapt_storage(::CUDA.KernelAdaptor, ::MPI.Comm) = nothing
 end
 
+PrecompileTools.@setup_workload let
+    if CUDA.functional()
+        PrecompileTools.@compile_workload begin
+            for FT in (Float32, Float64)
+                AT = CuArray
+                Raven.precompile_workload(FT, AT)
+            end
+        end
+    end
+end
+
 end # module RavenCUDAExt

src/Raven.jl

@@ -1,18 +1,22 @@
 module Raven
 
-using Adapt
-using Compat
-using GPUArraysCore
-using KernelAbstractions
-using KernelAbstractions.Extras: @unroll
-using LinearAlgebra
-using MPI
-using OneDimensionalNodes
-import P4estTypes
-using RecipesBase
-using StaticArrays
-using StaticArrays: tuple_prod, tuple_length, size_to_tuple
-using SparseArrays
+using PrecompileTools: @setup_workload, @compile_workload, @recompile_invalidations
+
+@recompile_invalidations begin
+    using Adapt
+    using Compat
+    using GPUArraysCore
+    using KernelAbstractions
+    using KernelAbstractions.Extras: @unroll
+    using LinearAlgebra
+    using MPI
+    using OneDimensionalNodes
+    import P4estTypes
+    using RecipesBase
+    using StaticArrays
+    using StaticArrays: tuple_prod, tuple_length, size_to_tuple
+    using SparseArrays
+end
 
 export LobattoCell, GaussCell
 
@@ -60,6 +64,7 @@ include("grids.jl")
 include("gridmanager.jl")
 include("gridarrays.jl")
 include("kron.jl")
+include("precompile.jl")
 
 if !isdefined(Base, :get_extension)
     using Requires
@@ -82,4 +87,13 @@ function __init__()
     end
 end
 
+@setup_workload let
+    @compile_workload begin
+        for FT in (Float32, Float64)
+            AT = Array
+            precompile_workload(FT, AT)
+        end
+    end
+end
+
 end # module Raven

src/precompile.jl

@@ -0,0 +1,40 @@
+function precompile_workload(FT, AT)
+    lcell2d = LobattoCell{FT,AT}(2, 2)
+    vertices2d = [
+        SVector{2,FT}(0, 0), # 1
+        SVector{2,FT}(2, 0), # 2
+        SVector{2,FT}(0, 2), # 3
+        SVector{2,FT}(2, 2), # 4
+        SVector{2,FT}(4, 0), # 5
+        SVector{2,FT}(4, 2), # 6
+    ]
+    cells2d = [(1, 2, 3, 4), (4, 2, 6, 5)]
+
+    generate(GridManager(lcell2d, brick(FT, 1, 1)))
+    generate(GridManager(lcell2d, coarsegrid(vertices2d, cells2d)))
+
+    lcell3d = LobattoCell{FT,AT}(2, 2, 2)
+    vertices3d = [
+        SVector{3,FT}(0, 0, 0), #  1
+        SVector{3,FT}(2, 0, 0), #  2
+        SVector{3,FT}(0, 2, 0), #  3
+        SVector{3,FT}(2, 2, 0), #  4
+        SVector{3,FT}(0, 0, 2), #  5
+        SVector{3,FT}(2, 0, 2), #  6
+        SVector{3,FT}(0, 2, 2), #  7
+        SVector{3,FT}(2, 2, 2), #  8
+        SVector{3,FT}(4, 0, 0), #  9
+        SVector{3,FT}(4, 2, 0), # 10
+        SVector{3,FT}(4, 0, 2), # 11
+        SVector{3,FT}(4, 2, 2), # 12
+    ]
+    cells3d = [(1, 2, 3, 4, 5, 6, 7, 8), (4, 2, 10, 9, 8, 6, 12, 11)]
+
+    generate(GridManager(lcell3d, brick(FT, 1, 1, 1)))
+    generate(GridManager(lcell3d, coarsegrid(vertices3d, cells3d)))
+
+    GaussCell{FT,AT}(2, 2)
+    GaussCell{FT,AT}(2, 2, 2)
+
+    return
+end