TastyPancakes/Flux.jl
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transfer onehot indices back to cpu

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This commit is contained in:
Yao Lu 2020-05-09 19:10:46 +08:00
parent eb6898ea19
commit 30648910c8
1 changed files with 1 additions and 5 deletions
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6
src/onehot.jl
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@ -27,7 +27,7 @@ Base.getindex(xs::OneHotMatrix, ::Colon, ::Colon) = OneHotMatrix(xs.height, copy
Base.getindex(xs::OneHotMatrix, i::Integer, ::Colon) = map(x -> x[i], xs.data) Base.getindex(xs::OneHotMatrix, i::Integer, ::Colon) = map(x -> x[i], xs.data)
A::AbstractMatrix * B::OneHotMatrix = A[:, map(x->x.ix, B.data)] A::AbstractMatrix * B::OneHotMatrix = A[:, cpu(map(x->x.ix, B.data))]
Base.hcat(x::OneHotVector, xs::OneHotVector...) = OneHotMatrix(length(x), [x, xs...]) Base.hcat(x::OneHotVector, xs::OneHotVector...) = OneHotMatrix(length(x), [x, xs...])
@ -41,10 +41,6 @@ import .CuArrays: CuArray, CuMatrix, CuArrayStyle, cudaconvert
import Base.Broadcast: BroadcastStyle, ArrayStyle import Base.Broadcast: BroadcastStyle, ArrayStyle
BroadcastStyle(::Type{<:OneHotMatrix{<:CuArray}}) = CuArrayStyle{2}() BroadcastStyle(::Type{<:OneHotMatrix{<:CuArray}}) = CuArrayStyle{2}()
cudaconvert(x::OneHotMatrix{<:CuArray}) = OneHotMatrix(x.height, cudaconvert(x.data)) cudaconvert(x::OneHotMatrix{<:CuArray}) = OneHotMatrix(x.height, cudaconvert(x.data))
function Base.:(*)(A::CuMatrix, B::OneHotMatrix{CuArray{OneHotVector,1}})
I = CuArray{UInt32, 1}(B.data.buf, 2 .* B.data.dims, offset = B.data.offset)[1:2:end]
A[:, Array(I)]
end
""" """
onehot(l, labels[, unk]) onehot(l, labels[, unk])