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Define the KernelAbstractions methods in oneAPI rather than an extension #748

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Merged
maleadt merged 1 commit into from
Oct 27, 2026
Merged

Define the KernelAbstractions methods in oneAPI rather than an extension #748

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7 changes: 1 addition & 6 deletions Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ GPUArrays = "0c68f7d7-f131-5f86-a1c3-88cf8149b2d7"
GPUCompiler = "61eb1bfa-7361-4325-ad38-22787b887f55"
GPUToolbox = "096a3bc2-3ced-46d0-87f4-dd12716f4bfc"
IntelITT = "c9b2f978-7543-4802-ae44-75068f23ee64"
KernelAbstractions = "63c18a36-062a-441e-b654-da1e3ab1ce7c"
KernelInterface = "4ee993da-d684-4d17-a7dd-4e58e78d92bf"
LLVM = "929cbde3-209d-540e-8aea-75f648917ca0"
Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
Expand All @@ -35,12 +36,6 @@ oneAPI_Level_Zero_Headers_jll = "f4bc562b-d309-54f8-9efb-476e56f0410d"
oneAPI_Level_Zero_Loader_jll = "13eca655-d68d-5b81-8367-6d99d727ab01"
oneAPI_Support_jll = "b049733a-a71d-5ed3-8eba-7d323ac00b36"

[weakdeps]
KernelAbstractions = "63c18a36-062a-441e-b654-da1e3ab1ce7c"

[extensions]
KernelAbstractionsExt = "KernelAbstractions"

[compat]
AbstractFFTs = "1.5.0"
Adapt = "4"
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22 changes: 0 additions & 22 deletions ext/KernelAbstractionsExt.jl
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14 changes: 14 additions & 0 deletions src/oneAPIKernels.jl
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Expand Up @@ -3,6 +3,7 @@ module oneAPIKernels
using ..oneAPI
using ..oneAPI: @device_override, SPIRVIntrinsics, method_table, kernel_convert, zefunction

import KernelAbstractions as KA
import KernelInterface as KI

import Adapt
Expand Down Expand Up @@ -213,6 +214,19 @@ function KI.multiprocessor_count(::oneAPIBackend)::Int
end


## KernelAbstractions

Adapt.adapt_storage(::KA.CPU, a::oneArray) = convert(Array, a)

# sparse arrays (oneMKL is only available on Linux)
@static if Sys.islinux()
import SparseArrays
Adapt.adapt_storage(::KA.CPU, a::oneAPI.oneMKL.oneAbstractSparseMatrix) = SparseArrays.SparseMatrixCSC(a)
end

Adapt.adapt_storage(to::KA.ConstAdaptor, a::oneDeviceArray) = Base.Experimental.Const(a)


## Indexing Functions
## COV_EXCL_START

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