[petsc-users] PETSc-GPU

[Matthew Knepley]

On Fri, Apr 26, 2024 at 7:23 AM Karthikeyan Chockalingam - STFC UKRI via
petsc-users <petsc-users at mcs.anl.gov> wrote:

> Hello, When PETSc is installed with GPU support, will it run only on GPUs
> or can it be run on CPUs (without GPUs)? Currently, PETSc crashes when run
> on CPUs. Thank you. Best regards, Karthik. -- Karthik Chockalingam, Ph. D.
> Senior Research Software
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> Hello,
>
>
>
> When PETSc is installed with GPU support, will it run only on GPUs or can
> it be run on CPUs (without GPUs)? Currently, PETSc crashes when run on CPUs.
>

It should run on both. Can you send the crash? I think we did fix a problem
with it eagerly initializing GPUs when they were absent.

  Thanks,

     Matt


> Thank you.
>
>
>
> Best regards,
>
> Karthik.
>
>
>
> --
>
> *Karthik Chockalingam, Ph.D.*
>
> Senior Research Software Engineer
>
> High Performance Systems Engineering Group
>
> Hartree Centre | Science and Technology Facilities Council
>
> karthikeyan.chockalingam at stfc.ac.uk
>
>
>
>  [image: signature_3970890138]
>
>
>


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