[petsc-users] Calling single-precision MUMPS from PETSC

[Jed Brown]

Evan Um <evanum at gmail.com> writes:

> Dear PETSC users,
>
> When MUMPS is used inside PETSC, The default MUMPS driver seems to be
> double-precision MUMPS (i.e. DMUMPS). To reduce memory costs, I want to
> test a single-precision MUMPS (SMUMPS) from PETSC. Does anyone know how to
> switch from double to single-precision MUMPS inside PETSC? In advance,
> thanks for your comments.

Configure PETSc --with-precision=single.  It is not currently possible
to mix precision only when calling MUMPS.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 818 bytes
Desc: not available
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20141022/be70db11/attachment.pgp>