itaps-parallel This week's conference call

Tim Tautges tautges at mcs.anl.gov
Wed May 26 16:02:26 CDT 2010



On 05/26/2010 02:09 PM, Mark Shephard wrote:
>
> In looking over the use cases I do not see anything in them that
> introduces anything that is beyond things that have to be done is stuff
> we are already doing for parallel mesh adaptation (including boundary
> layers). To the best of my understanding the questions we have have been
> discussing really do not influence on how to attack these problems. The
> issues we have been discussing continue to be of importance to how
> efficient implementations can be.
>
> Note - writing up the details of doing the use cases would be pretty
> extensive and time consuming.
>

That is correct, but I'd assert we shouldn't publish an interface until use cases like this have been done (IMO we also 
shouldn't publish the interface if nobody's implemented it yet, but nobody else seems to agree with that...)

- tim

> Mark
>
>
> seol at scorec.rpi.edu wrote:
>> Karen,
>>
>> The compromise proposal will work fine with the FMDB.
>>
>> One question is that the use case, efficiency, and the ease of
>> handling of
>> the entity ownership if we allow the user to specify the owner part of
>> mesh entity.
>>
>> It's not clear to me what's our scenario between #1 and #2.
>>
>> #1 we assume that the owner part of the entity is automatically
>> determined
>> at time of entity creation by default and will allow some exceptional
>> case
>> where the user can specify the owner part for specific entities
>>
>> #2 for every entity, the owner part shall be specified explicitly.
>>
>> In case of the FMDB, the owner part is determined based on the partition
>> model classification to which each entity belongs so the application has
>> no right to change the entity ownership at the moment.
>>
>> Seegyoung
>>
>>
>>> Since we rescheduled the iMeshP conference call (now Thursday, May 27 at
>>> 8am
>>> PDT), I'll ask you to do some extra work. Please consider the attached
>>> use
>>> cases (drafted by Tim -- thanks, Tim!). For each case, consider whether
>>> the
>>> proposal works, particularly in the context of your implementation.
>>> We'll
>>> discuss the proposal and use cases on Thursday.
>>>
>>> Thanks.
>>> Karen
>>>
>>>
>>
>>
>
>

-- 
================================================================
"You will keep in perfect peace him whose mind is
   steadfast, because he trusts in you."               Isaiah 26:3

              Tim Tautges            Argonne National Laboratory
          (tautges at mcs.anl.gov)      (telecommuting from UW-Madison)
          phone: (608) 263-8485      1500 Engineering Dr.
            fax: (608) 263-4499      Madison, WI 53706



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