t;>> Kind regards,
>>>> Carl-Johan
>>>>
>>>>
>>>> On Sat, Aug 26, 2023 at 5:21 PM Pierre Jolivet via petsc-users <
>>>> petsc-users@mcs.anl.gov> wrote:
>>>>
>>>>>
>>>>>
>>>>>
ue.The branch should be usable in its current state.Thanks,Pierre From: Pierre Jolivet <pierre.joli...@lip6.fr> Sent: Saturday, August 26, 2023 4:36 PMTo: Carl-Johan Thore <carl-johan.th...@liu.se>Cc: Carl-Johan Thore <carljohanth...@gmail.com>; petsc-users@mcs.anl.govSubject: R
> On Sat, Aug 26, 2023 at 5:21 PM Pierre Jolivet via petsc-users
>>>>>>> wrote:
>>>>>>>
>>>>>>>
>>>>>>>>> On 27 Aug 2023, at 12:14 AM, Carl-Johan Thore
>>>>>>>>> wrote:
>>&
en if symmetry in A00 and A11 cannot be exploited; using SBAIJ for
>>> them would just be a
>>> (pretty big) bonus.
>>>
>>> “I’ll rebase on top of main and try to get it integrated if it could be
>>> useful to you (but I’m traveling
>>> right n
t;>>>> from these blocks, or is there
>>>>>>> somewhere else in the code that things will go wrong?
>>>>>>
>>>>>> Ah, no, you are right, in that case it should work.
>>>>>>
>>>>>> For the MATNEST I was thinking
tsc/-/merge_requests/6841.
>> I need to add a new code path in MatCreateRedundantMatrix() to make sure
>> the resulting Mat is indeed SBAIJ, but that is orthogonal to the
>> PCFIELDSPLIT issue.
>> The branch should be usable in its current state.
>>
>> Thanks,
>
mcs.anl.govSubject: Re: [petsc-users] PCFIELDSPLIT with MATSBAIJ On 26 Aug 2023, at 11:16 PM, Carl-Johan Thore <carl-johan.th...@liu.se> wrote: "(Sadly) MATSBAIJ is extremely broken, in particular, it cannot be used to retrieve rectangular blocks in MatCreateSubMatrices, t
gt;
Sent: Saturday, August 26, 2023 10:20 AM
To: Carl-Johan Thore mailto:carl-johan.th...@liu.se>>
Cc: petsc-users mailto:petsc-users@mcs.anl.gov>>
Subject: Re: [petsc-users] PCFIELDSPLIT with MATSBAIJ
On 27 Aug 2023, at 12:14 AM, Carl-Johan Thore
mailto:carl-johan.th...@liu.se>
hogonal to the PCFIELDSPLIT
>> issue.
>> The branch should be usable in its current state.
>>
>> Thanks,
>> Pierre
>>
>>>
>>> From: Pierre Jolivet >> <mailto:pierre.joli...@lip6.fr>>
>>> Sent: Saturday, August 26, 20
:20 AM
> *To:* Carl-Johan Thore
> *Cc:* petsc-users
> *Subject:* Re: [petsc-users] PCFIELDSPLIT with MATSBAIJ
>
>
>
> On 27 Aug 2023, at 12:14 AM, Carl-Johan Thore
> wrote:
>
> “Well, your A00 and A11 will possibly be SBAIJ also, so you’ll end up with
> the same issu
l to the
> PCFIELDSPLIT issue.
> The branch should be usable in its current state.
>
> Thanks,
> Pierre
>
>
> *From:* Pierre Jolivet
> *Sent:* Saturday, August 26, 2023 4:36 PM
> *To:* Carl-Johan Thore
> *Cc:* Carl-Johan Thore ; petsc-users@mcs.anl.gov
> *Sub
"(Sadly) MATSBAIJ is extremely broken, in particular, it cannot be used to
retrieve rectangular blocks in MatCreateSubMatrices, thus you cannot get the
A01 and A10 blocks in PCFIELDSPLIT.
I have a branch that fixes this, but I haven’t rebased in a while (and I’m AFK
right now), would you want
of smaller
storage of SBAIJ (could at cost of communication overhead).
Hong
From: petsc-users on behalf of Pierre Jolivet
via petsc-users
Sent: Saturday, August 26, 2023 10:20 AM
To: Carl-Johan Thore
Cc: petsc-users
Subject: Re: [petsc-users] PCFIELDSPLIT with MATSBAIJ
2023 4:36 PM
> To: Carl-Johan Thore
> Cc: Carl-Johan Thore ; petsc-users@mcs.anl.gov
> Subject: Re: [petsc-users] PCFIELDSPLIT with MATSBAIJ
>
>
>
>
> On 26 Aug 2023, at 11:16 PM, Carl-Johan Thore <mailto:carl-johan.th...@liu.se>> wrote:
>
> "
> On 26 Aug 2023, at 11:16 PM, Carl-Johan Thore wrote:
>
> "(Sadly) MATSBAIJ is extremely broken, in particular, it cannot be used to
> retrieve rectangular blocks in MatCreateSubMatrices, thus you cannot get the
> A01 and A10 blocks in PCFIELDSPLIT.
> I have a branch that fixes this, but I
(Sadly) MATSBAIJ is extremely broken, in particular, it cannot be used to
retrieve rectangular blocks in MatCreateSubMatrices, thus you cannot get the
A01 and A10 blocks in PCFIELDSPLIT.
I have a branch that fixes this, but I haven’t rebased in a while (and I’m AFK
right now), would you want me
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