[petsc-dev] Dealing with off-processor aij-matrices not having preallocation information

Matthew Knepley knepley at gmail.com
Thu Mar 21 11:04:28 CDT 2013


On Thu, Mar 21, 2013 at 11:59 AM, Karl Rupp <rupp at mcs.anl.gov> wrote:

> Hey,
>
>
>      I can confirm that this fixes the issues with GPUs. If, on the other
>>     hand, we pick a), then code gets substantially simpler even than it
>>     is now. As noted, the only drawback is that the default
>>     preallocation for on- and off-processor values is the same. I can
>>     live with that.
>>
>>
>> Still want simpler.
>>
>>     Matt
>>
>
> Alright, here we go:
> https://bitbucket.org/petsc/**petsc/commits/**
> 9200956088015849f17bb1ff07731f**2d9638da35<https://bitbucket.org/petsc/petsc/commits/9200956088015849f17bb1ff07731f2d9638da35>
>
> Note that it fixes the problem by removing code only :-)
>

Karl wins the Barry Smith Code Removal Award :)

   Matt


> Best regards,
> Karli
>
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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