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The current workflow of PCA depends on xcsrmultd. Going through MKL docs here for this routine shows it does the sparse matrix-matrix op of the following form and also points out that its deprecated-
C := op(A)*B
On the other hand xcsrmm is defined here as (and als 5A79 o mentions it supports 1 based indexing as well)-
C := alphaAB + beta*C
which essentially means the same as xcsrmultd when alpha = 1 and beta = 0 right? Also, why are the deprecated forms still used in onedal?
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