<mailto:petsc-users@mcs.anl.gov>
mailto:petsc-users@mcs.anl.gov>>
Subject: Re: [petsc-users] GAMG crash during setup when using multiple GPUs
Also, try "-use_gpu_aware_mpi 0" to see if there is a difference.
--Junchao Zhang
On Thu, Feb 10, 2022 at 1:40 PM Junchao Zhang
m
formation to help with debugging this.
>>
>> Thank You,
>> Sajid Ali (he/him) | Research Associate
>> Scientific Computing Division
>> Fermi National Accelerator Laboratory
>> s-sajid-ali.github.io
>>
>> ----------
>> *From:* Junc
From:* Junchao Zhang
> *Sent:* Thursday, February 10, 2022 1:43 PM
> *To:* Sajid Ali Syed
> *Cc:* petsc-users@mcs.anl.gov
> *Subject:* Re: [petsc-users] GAMG crash during setup when using multiple
> GPUs
>
> Also, try "-use_gpu_aware_mpi 0" to see if there is a dif
Also, try "-use_gpu_aware_mpi 0" to see if there is a difference.
--Junchao Zhang
On Thu, Feb 10, 2022 at 1:40 PM Junchao Zhang
wrote:
> Did it fail without GPU at 64 MPI ranks?
>
> --Junchao Zhang
>
>
> On Thu, Feb 10, 2022 at 1:22 PM Sajid Ali Syed wrote:
>
>> Hi PETSc-developers,
>>
>>
Did it fail without GPU at 64 MPI ranks?
--Junchao Zhang
On Thu, Feb 10, 2022 at 1:22 PM Sajid Ali Syed wrote:
> Hi PETSc-developers,
>
> I’m seeing the following crash that occurs during the setup phase of the
> preconditioner when using multiple GPUs. The relevant error trace is shown
>
