: "Pierre Jolivet"
An: "Marius Buerkle"
Cc: petsc-users@mcs.anl.gov
Betreff: Re: [petsc-users] MatConvert changes distribution of local rows
On 13 Jan 2023, at 9:18 AM, Marius Buerkle wrote:
Matrix types is from MATMPIDENSE to MATSCALAPACK,
OK, that’s n
one?
Thanks,
Pierre
>
> Gesendet: Freitag, 13. Januar 2023 um 16:58 Uhr
> Von: "Pierre Jolivet"
> An: "Marius Buerkle"
> Cc: petsc-users@mcs.anl.gov
> Betreff: Re: [petsc-users] MatConvert changes distribution of local rows
>
> On 13 Jan 2023, a
Matrix types is from MATMPIDENSE to MATSCALAPACK, but I think it happens also for other matrix types IIRC.
Gesendet: Freitag, 13. Januar 2023 um 16:58 Uhr
Von: "Pierre Jolivet"
An: "Marius Buerkle"
Cc: petsc-users@mcs.anl.gov
Betreff: Re: [petsc-users] MatConvert
> On 13 Jan 2023, at 8:49 AM, Marius Buerkle wrote:
>
> Hi,
>
> I have a matrix A for which I defined the number of local rows per process
> manually using MatSetSizes. When I use MatConvert to change the matrix type
> it changes the number of local rows (to what one would get if MatSetSize
Hi,
I have a matrix A for which I defined the number of local rows per process manually using MatSetSizes. When I use MatConvert to change the matrix type it changes the number of local rows (to what one would get if MatSetSize is called with PETSC_DECIDE for number of local rows), which
