[petsc-dev] Adding support for new sparse BLAS inspector-executor routines in MKL

Barry Smith bsmith at mcs.anl.gov
Wed Sep 30 09:56:46 CDT 2015


> On Sep 30, 2015, at 9:48 AM, Jed Brown <jed at jedbrown.org> wrote:
> 
> Matthew Knepley <knepley at gmail.com> writes:
>> Richard, this is somewhat subtle since PETSc's inheritance model is sucky
>> and somewhat broken. Look at
>> the factorization classes, AIJMUMPS etc., before coding anything.
> 
> Richard wants to use the MKL implementations of stuff like MatMult and
> MatAXPY, not just factorization.  So it doesn't look like AIJMUMPS.

  Jed and Matt,

   Remember Richard actually wrote the subclasses of AIJ for the Cray vector machine so you guys are teaching your grandmother to suck eggs.

  Barry





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