[petsc-users] DMPlexDistributeField

Adrian Croucher a.croucher at auckland.ac.nz
Wed Jun 26 23:12:24 CDT 2019


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.

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
tel: +64 (0)9 923 4611

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