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missing algebra methods for KnetArray #273

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CarloLucibello opened this issue Feb 17, 2018 · 3 comments
Open
6 tasks

missing algebra methods for KnetArray #273

CarloLucibello opened this issue Feb 17, 2018 · 3 comments
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enhancement KnetArray

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@CarloLucibello
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CarloLucibello commented Feb 17, 2018 •
edited by cemilcengiz
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  • inv
  • det
  • logdet
  • chol
  • svd
  • qr

xref denizyuret/AutoGrad.jl#45 for missing gradients
@chinmay2312
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These function definitions would go in Knet.jl/src/Knet.jl path correct?

@denizyuret
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Does cublas have these linear algebra functions?

@CarloLucibello
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CarloLucibello commented Feb 26, 2018 •
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cusolver has cholesky, LU, QR, SVD and LDLT
http://docs.nvidia.com/cuda/cusolver/index.html

cublas has matrix inversion and qr, http://docs.nvidia.com/cuda/cublas/index.html

det and logdet can be determined from QR factorization

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@denizyuret @CarloLucibello @chinmay2312