[petsc-users] Monte carlo for eigenvalue problem in paralle

[siddhesh godbole]

oh yes i need all the eigenvalues. Thanks Matt i'll go through that!

*Siddhesh M Godbole*

5th year Dual Degree,
Civil Eng & Applied Mech.
IIT Madras

On Wed, Jan 21, 2015 at 9:23 PM, Matthew Knepley <knepley at gmail.com> wrote:

> On Wed, Jan 21, 2015 at 9:51 AM, siddhesh godbole <
> siddhesh4godbole at gmail.com> wrote:
>
>> Hello,
>>
>> I want to execute Monte Carlo simulations for eigenvalue problem in
>> parallel with PETSC. i am using LAPACKsygvx function to compute all the
>> eigenvalues. Now the problem i am facing is that, i think LAPACKsygvx
>> requires Matrices to be declared as MATSEQDENSE, and this sequential type
>> is not allowing me to execute this program on multiple processors.
>>
>> How should i go about this problem? can i use different communicators or
>> something? Please help!
>>
>
> Do you need all the eigenvalues? If so, you can try to use Elemental, with
> the development version of PETSc.
>
>   Thanks,
>
>     Matt
>
>
>>
>> *Siddhesh M Godbole*
>>
>> 5th year Dual Degree,
>> Civil Eng & Applied Mech.
>> IIT Madras
>>
>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
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