[petsc-users] Petsc with mumps single precision

Sylvain Mercier sylvainmercier85 at gmail.com
Wed Aug 20 07:53:05 CDT 2014


Hi everyone,

I'm using PETSc to solve saddle point systems. I have found a block
preconditionner which requires to solve a smaller symmetric positive
definite system. I do it with  MUMPS which is fast an robust.
However, I would like to use this solver in single precision in order to
compare the performances.

So is it possible to use MUMPS in single precision inside a double
precision solving with PETSc?

Thanks,
Sylvain
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