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Allow batched_mul to work through PermutedDimsArray, II #191
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This was referenced Apr 3, 2020
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Bump. Who has merge permissions here? @CarloLucibello, @DhairyaLGandhi? |
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ops, didn't see this, thanks |
Thanks! |
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This is an alternative to #187.
It similarly allows
batched_mul
to work on manyPermutedDimsArray
s, but does this just by callingstrides(A)
and branching. It also extendsbatched_mul!
to takeα, β
scales likemul!
.It adds two functions
storage_type
andis_strided
, both of which recursively unwrap things. This avoids trying to dispatch onBatchedAdjoint{PermutedDimsArray{...,CuArray}}
... instead it can separately check the underlying storage, and whether it should be safe to callstrides(A)
.It also improves
batched_gemm!
to multi-thread the batch index (using JuliaLang/julia#36360 to save & restore the number of BLAS threads), and to allowsize(A,3)==1
(batch only B,C).