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Add cuDNN extension #16

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2 changes: 2 additions & 0 deletions Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -12,9 +12,11 @@ Republic = "27243419-9dde-4721-b67c-fd63626fea7f"
StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"

[weakdeps]
cuDNN = "02a925ec-e4fe-4b08-9a7e-0d78e3d38ccd"
cuTile = "0dea8319-8c4a-4662-a73d-20234d115b9a"

[extensions]
cuDNNExt = "cuDNN"
cuTileExt = "cuTile"

[compat]
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16 changes: 16 additions & 0 deletions ext/cuDNNExt.jl
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Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
module cuDNNExt

import BitPacking
import cuDNN

function cuDNN.checked_array_pointer(t::cuDNN.Tensor, a::BitPacking.NarrowArray)
parent(a) isa cuDNN.DenseCuArray || throw(ArgumentError(
"binding for $(t.name) needs GPU-backed storage, got $(typeof(parent(a)))"))
cuDNN.graph_dtype(eltype(a)) == t.dtype || throw(ArgumentError(
"binding for $(t.name) has eltype $(eltype(a)), expected $(t.dtype)"))
length(a) == prod(t.dims) || throw(DimensionMismatch(
"binding for $(t.name) has $(length(a)) elements, expected $(prod(t.dims))"))
return pointer(parent(a))
end

end