[petsc-users] SLEPc on arbitrary sparse matrices

[Jose E. Roman]

El 23/01/2015, a las 14:17, Henri De Feraudy escribió:

> By arbitrary I mean no conditions at all like symmetric/hermitian/...
> but sparse, yes.
> Can I use Slepc generate the eigenvalues of such matrices?

Yes, but if you want to compute all eigenvalues then SLEPc is not what you need.

> In such a case can I expect to get a speed up with a multi-core machine?

Yes if your hardware provides high per-CPU memory performance, see http://www.mcs.anl.gov/petsc/documentation/faq.html#computers

Jose


> 
> I'm a newbie to this field.
> Henri
>