[petsc-users] Possible bug PETSc+Complex+CUDA

[Rui Silva]

Hi Matt,

I am using CUDA 9.2. I will try to compile with CUDA 10.2.

Best regards,
Rui

Às 17:21 de 21/05/2020, Matthew Knepley escreveu:
> On Thu, May 21, 2020 at 10:53 AM Rui Silva <rui.silva at uam.es 
> <mailto:rui.silva at uam.es>> wrote:
>
>     Hello everyone,
>
>     I am trying to run PETSc (with complex numbers in the GPU). When I
>     call
>     the VecWAXPY routine using the complex version of PETSc and mpicuda
>     vectors, the program fails with a segmentation fault. This problem
>     does
>     not appear, if I run the complex version with mpi vectors or with the
>     real version using mpicuda vectors. Is there any problem using
>     CUDA+complex PETSc?
>
>     Furthermore, I use the -log_view option to run the complex+gpu code,
>     otherwise the program fails at the beggining.
>
>
> What version of CUDA do you have? There are bugs in the versions 
> before 10.2.
>
>   Thanks,
>
>     Matt
>
>     Best regards,
>
>     Rui Silva
>
>     -- 
>       Dr. Rui Emanuel Ferreira da Silva
>       Departamento de Física Teórica de la Materia Condensada
>       Universidad Autónoma de Madrid, Spain
>     https://ruiefdasilva.wixsite.com/ruiefdasilva
>     https://mmuscles.eu/
>
>
>
> -- 
> 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
>
> https://www.cse.buffalo.edu/~knepley/ 
> <http://www.cse.buffalo.edu/~knepley/>


-- 
  Dr. Rui Emanuel Ferreira da Silva
  Departamento de Física Teórica de la Materia Condensada
  Universidad Autónoma de Madrid, Spain
  https://ruiefdasilva.wixsite.com/ruiefdasilva
  https://mmuscles.eu/

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