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Compact-routine forms of dgbtrf and dgbtrs for vectorizing LU decomp and solver

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We see there are a number of vectorized compact routines in the Intel MKL library:

https://software.intel.com/en-us/articles/intelr-math-kernel-library-introducing-vectorized-compact-routines

We are developing an implicit vertical solver for a new weather model and would like to employ compact routine versions of the dgbtr that vectorize over multiple LU decomposition on adjacent vertical columns of the domain; and a compact version of dgbtrs for vectorizing solving the resulting LUx=b problem on adjacent columns.  Are there plans to develop compact versions of dgbtrf and dgbtrs available, please?

John Michalakes, UCAR

TCE Open Date: 

Friday, November 22, 2019 - 10:17

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