[petsc-users] Solving a Linear System with two different Solvers (one each thread)..?

[Pedro Torres]

Jed, thanks for your response.

2012/3/19 Jed Brown <jedbrown at mcs.anl.gov>

> On Mon, Mar 19, 2012 at 15:47, Pedro Torres <torres.pedrozpk at gmail.com>wrote:
>
>> I has some experience with PETSc + MPI, but neither with PETSc+Pthreads
>> nor Pthreads alone. Taking in to account that pthread was recenltly added
>> to petsc, is it possible to code a program that solve the same linear
>> system with two different solvers, one on each thread?. I guess that can be
>> done calling different ksp object, one on each thread,  but I don't have
>> clear, first if this is possible and second how to do that. Sorry if my
>> question is meaningless, I just started to study pthreads.
>>
>> I will really appreciated any advice. Thanks in advance.
>>
>
> No, the threading model does not work like this (and the performance of a
> system that did work that way would be a delicate beast).
>

Ok, so the only way to implement that is coding by hand each algorithm for
each thread, rigth?.

Anyway, at least can I use petsc object like Vec/Mat on each thread?.

Thanks for your help!


-- 
Pedro Torres
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