On Thursday the 07 of October 2010 , Jed Brown wrote: > On Thu, Oct 7, 2010 at 12:52, Darach Golden <darach at tchpc.tcd.ie> wrote: > > > Is there any (safe) way of using real and complex compiles of petsc in > > different parts of the same application? > > > > Not really.
thought so > > The intent here is to save memory in the first call above where > > complex numbers are not needed. > > > > What is the relative size of each system? the purposes are different: - one is a poisson solve using dmmg (real). So we don't want to store complex PetscScalars -- or am I just missing the fact that we can use PetscReal here with a complex compile? - the other is operations on (possibly including inversion of) complex matrices The solve and the inversion happen at different parts of an existing code Darach -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 197 bytes Desc: not available URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20101007/01c2070b/attachment.pgp>
