Ok, thanks. I'll try it when the machine comes back online.
Cheers,
M
From: Mark Adams
Sent: Tuesday, March 19, 2024 5:15 PM
To: Vanella, Marcos (Fed)
Cc: PETSc users list
Subject: Re: [petsc-users] Running CG with HYPRE AMG preconditioner in AMD GPUs
You want:
You want: -mat_type aijhipsparse
On Tue, Mar 19, 2024 at 5:06 PM Vanella, Marcos (Fed) <
marcos.vane...@nist.gov> wrote:
> Hi Mark, thanks. I'll try your suggestions. So, I would keep -mat_type
> mpiaijkokkos but -vec_type hip as runtime options?
> Thanks,
> Marcos
>
Hi Mark, thanks. I'll try your suggestions. So, I would keep -mat_type
mpiaijkokkos but -vec_type hip as runtime options?
Thanks,
Marcos
From: Mark Adams
Sent: Tuesday, March 19, 2024 4:57 PM
To: Vanella, Marcos (Fed)
Cc: PETSc users list
Subject: Re:
[keep on list]
I have little experience with running hypre on GPUs but others might have
more.
1M dogs/node is not a lot and NVIDIA has larger L1 cache and more mature
compilers, etc. so it is not surprising that NVIDIA is faster.
I suspect the gap would narrow with a larger problem.
Also, why
Check
https://urldefense.us/v3/__https://gitlab.com/petsc/petsc/-/jobs/6412623047__;!!G_uCfscf7eWS!ZAg_b85bAvm8-TShDMHvxaXIu77pjwlDqU2g9AXQSNNw0gmk3peDktdf8MsGAq3jHLTJHo6WSPGyEe5QrCJ-fN0$
for a successful build of latest petsc-3.20 [i.e release branch in git] with
metis and parmetis
Note the
