[petsc-users] DMDACreateSection

Åsmund Ervik asmund.ervik at ntnu.no
Mon May 2 03:29:44 CDT 2016


On 02. mai 2016 10:13, Barry Smith wrote:
> 
>> On May 2, 2016, at 1:55 AM, Åsmund Ervik <asmund.ervik at ntnu.no> wrote:
>>
>> Hi all,
>>
>> On 27. april 2016 10:21, Matthew Knepley <knepley at gmail.com> wrote:
>>>
>>> I will also note that I think this is correct for the future as well since
>>> the DMForest implementation (the
>>> wrapper Toby Isaac wrote for p4est) uses PetscSection as well, is memory
>>> efficient, and does structured
>>> AMR. I am switching everything I had on DMDA to use this. If you want help
>>> in this direction, of course
>>> I am at your service. I am currently getting my magma dynamics code to work
>>> in this way.
>>>
>>
>> Pardon me for intruding, but this DMForest looks very interesting if it
>> can get me structured AMR for "cheap". Questions:
>>
>> Will DMForest provide a more-or-less drop in replacement for usual DMDA
>> for a finite difference/volume code? Does it do this already, or is it
>> planned to?
>>
>>
>> By the way, I see web rendering for my simple'n'stupid DMDA example is
>> broken with 3.7.0 (and it's not linked to from the DM examples page):
>> http://www.mcs.anl.gov/petsc/petsc-current/src/dm/examples/tutorials/ex13f90.F90.html
> 
>    I suspect that it is the non-ASCII character in your name that that is causing the problem.

Aha. You may ASCII-ize my name as "Aasmund Ervik".

Odd that it still works fine for 3.6:
http://www.mcs.anl.gov/petsc/petsc-3.6/src/dm/examples/tutorials/ex13f90.F90.html

>>
>>
>> Best regards,
>> Åsmund
>>
> 

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