[petsc-users] Petsc support for BoomerAMG from PCHYPRE to run on Nvidia and AMD GPUs

[Barry Smith]

  Answered in petsc-maint at mcs.anl.gov <mailto:petsc-maint at mcs.anl.gov> Please do not post the same question in multiple venues, it is confusing and can result in no response.

 

> On Feb 23, 2022, at 7:00 AM, Qi Yang <qiyang at oakland.edu> wrote:
> 
> To whom it may concern,
> 
> Hope this email finds you well.
> 
> I am a student from Oakland University who is trying to use Petsc in my project.
> 
> I found that the Petsc 3.16 now is supporting AMG preconditioner of hypre with gpu on Nvidia and AMD card, however, do you use openCL to realize it ? or do you realize it by using cuda on Nvidia and hip on AMD, if it is not openCL, how do you enable with flag? like -pc_hypre_gamg_mat_type aijcusparse or just -mat_type aijcusparse(which is already used in former edition)? 
> 
> Sorry for the disturbance, I did not find the answer in your document, looking forward to hearing from you soon.
> 
> Appreciate your time.
> 
> Best regards,
> Qi

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