[petsc-users] Question on using petsc matrix with hip

[Runfeng Jin]

Thank you!

Junchao Zhang <junchao.zhang at gmail.com> 于2024年2月5日周一 12:30写道：

>
>
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> On Sun, Feb 4, 2024 at 9:57 PM Runfeng Jin <jsfaraway at gmail.com> wrote:
>
>> Hi,
>>
>>     I see in document the mat status in hip is still in development, but
>> I see some hip interface in MAT. I want to use petsc with primme(eigenvalue
>> solver) to diagonalize the matrix in AMD GPU. The primme need user to
>> provide MV (matrix-vector operation in y=AX) in GPU, and I want to use
>> PETSc to realize it. Can PETSc support this in hip?  thank you!
>>
> petsc/hip backend supports sparse matrix vector multiplication (via AMD
> hipsparce).  The matrix has to be in the CSR format (i.e., MATAIJ in
> petsc).
>
>>
>> Runfeng Jin
>>
>
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