[Trilinos-Users] [EXTERNAL] Re: Multigrid preconditioning with 64 bit support

C.S. Natarajan csnataraj at gmail.com
Thu Mar 7 07:43:58 MST 2013


Thanks Mike.

On Thu, Mar 7, 2013 at 7:43 AM, Heroux, Michael A <maherou at sandia.gov>wrote:

>  ML does not support the "long long" map features in Epetra.  We do not
> plan to extent ML to support this feature, since Muelu is coming along and
> natively supports 64-bit types.
>
>  Mike
>
>   From: "C.S. Natarajan" <csnataraj at gmail.com>
> Date: Wednesday, March 6, 2013 11:31 PM
> To: Eric Marttila <eric.marttila at thermoanalytics.com>
> Cc: "trilinos-users at software.sandia.gov" <
> trilinos-users at software.sandia.gov>
> Subject: [EXTERNAL] Re: [Trilinos-Users] Multigrid preconditioning with
> 64 bit support
>
>  Hi Eric,
>          I don't have a problem building ML on a 64 bit platform. I am
> trying to solve a large problem (strongly anisotropic poisson) and was
> wondering if ML has 64-bit support. Just to clarify, have you used ML in
> conjunction with long long Epetra_Map's?
> I have no problem with ML up to Trilinos 10.10 but I just upgraded to
> 11.03 to solve bigger problems and have started getting errors when
> building the preconditioner.
>
> Thanks for the help.
>
> C.S.N
>
>
> On Wed, Mar 6, 2013 at 10:48 PM, Eric Marttila <
> eric.marttila at thermoanalytics.com> wrote:
>
>> Hi,
>> I'm not sure exactly what kind of 64bit support you're looking
>> for, but I've built and used the ML package on 64-bit linux
>> without any issues.
>> --Eric
>>
>> On Wednesday, March 06, 2013 05:36:58 pm C.S. Natarajan wrote:
>> > Hello,
>> >          Is there a multigrid preconditioning package with 64
>> > bit support? It looks like ML is 32-bit. I am using
>> > trilinos11.0.3.
>> >
>> > Thanks,
>> > C.S.N
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://software.sandia.gov/pipermail/trilinos-users/attachments/20130307/323b8f35/attachment.html 


More information about the Trilinos-Users mailing list