[petsc-users] DMPlexDistributeField

[Zhang, Junchao]

On Wed, Jun 26, 2019 at 11:12 PM Adrian Croucher <a.croucher at auckland.ac.nz<mailto:a.croucher at auckland.ac.nz>> wrote:

hi

On 27/06/19 4:07 PM, Zhang, Junchao wrote:

 Adrian, I am working on SF but know nothing about DMPlexDistributeField. Do you think SF creation or communication is wrong? If yes, I'd like to know the detail.  I have a branch jczhang/sf-more-opts, which adds some optimizations to SF.  It probably won't solve your problem. But since it changes SF a lot, it's better to have a try.


My suspicion is that there may be a problem in DMPlexDistribute(), so that the distribution SF entries for DMPlex faces are not correct when overlap > 0.

You can dump relevant SFs to make sure their graph is correct.


So it's probably not a problem with SF as such.

- Adrian

--
Dr Adrian Croucher
Senior Research Fellow
Department of Engineering Science
University of Auckland, New Zealand
email: a.croucher at auckland.ac.nz<mailto:a.croucher at auckland.ac.nz>
tel: +64 (0)9 923 4611

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