et the same results.
>
> I am running a rolling release distribution on both machines, but that really
> shouldn't matter for divergence behavior I would think.
>
> Is there some kind of option in PETSc to get more information about the
> breakdown from my s
> breakdown from my side?
>
>
> Best regards,
>
> Marco
>
> - Original Message -
> >> From: Pierre Jolivet mailto:pie...@joliv.et>>
> >> To: Marco Seiz mailto:ma...@kit.ac.jp>>
> >> Cc: petsc-users@mcs.anl.gov <mailto:petsc-us
hat structure right.
That should hopefully also solve the weird convergence behaviour.
Best regards,
Marco
- Original Message -
>> From: Matthew Knepley
>> To: Mark Adams
>> Cc: Pierre Jolivet ,petsc-users@mcs.anl.gov,Marco Seiz
>> Date: 2024-05-07 21:32:55
>>
regards,
Marco
- Original Message -
>> From: Pierre Jolivet
>> To: Marco Seiz
>> Cc: petsc-users@mcs.anl.gov
>> Date: 2024-05-07 18:12:18
>> Subject: Re: [petsc-users] Reasons for breakdown in preconditioned LSQR
>>
>>
>> > On 7 May 20
On Tue, May 7, 2024 at 8:28 AM Mark Adams wrote:
> "A^T A being similar to a finite difference Poisson matrix if the rows
> were permuted randomly."
> Normal eqs are a good option in general for rectangular systems and we
> have Poisson solvers.
>
I missed that. Why not first permute back to the
"A^T A being similar to a finite difference Poisson matrix if the rows were
permuted randomly."
Normal eqs are a good option in general for rectangular systems and we have
Poisson solvers.
I'm not sure what you mean by "permuted randomly." A random permutation of
the matrix can kill performance bu
On Tue, May 7, 2024 at 5:12 AM Pierre Jolivet wrote:
> On 7 May 2024, at 9: 10 AM, Marco Seiz wrote: Thanks
> for the quick response! On 07. 05. 24 14: 24, Pierre Jolivet wrote: On 7
> May 2024, at 7: 04 AM, Marco Seiz wrote: This
> Message Is From an External
> ZjQcmQRYFpfptBannerStart
> This
> On 7 May 2024, at 9:10 AM, Marco Seiz wrote:
>
> Thanks for the quick response!
>
> On 07.05.24 14:24, Pierre Jolivet wrote:
>>
>>
>>> On 7 May 2024, at 7:04 AM, Marco Seiz wrote:
>>>
>>> This Message Is From an External Sender
>>> This message came from outside your organization.
>>> He
Thanks for the quick response! On 07. 05. 24 14: 24, Pierre Jolivet wrote: > > >> On 7 May 2024, at 7: 04 AM, Marco Seiz wrote: >> >> This Message Is From an External Sender >> This message
ZjQcmQRYFpfptBannerStart
This Message Is From an External Sender
> On 7 May 2024, at 7:04 AM, Marco Seiz wrote:
>
> This Message Is From an External Sender
> This message came from outside your organization.
> Hello,
>
> something a bit different from my last question, since that didn't
> progress so well:
> I have a related model which generally produces a
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