dolfin team mailing list archive

["Johan Hoffman" <jhoffman@xxxxxxxxxx>]

>
>
> Garth N. Wells wrote:
>>
>> Johan Hoffman wrote:
>>>> Anders Logg wrote:
>>>>> On Tue, Jun 17, 2008 at 02:45:41PM +0100, Garth N. Wells wrote:
>>>>>> It would be useful to lay out a plan for tackling DofMaps. Getting
>>>>>> this
>>>>>> right is the key to parallel assembly, assembly optimisations and
>>>>>> applying Dirichlet boundary conditions by eliminating Dirichlet dofs
>>>>>> from the global system.
>>>>>>
>>>>>> I'm happy to take a look, but I'll need some time because I've lost
>>>>>> my
>>>>>> overview of DofMaps. If someone else is already on top of it, I'd be
>>>>>> happy to provide feedback.
>>>>>>
>>>>>> Garth
>>>>> I won't have time to look at it until after the summer and I haven't
>>>>> started.
>>>>>
>>>>> Anyway, I think we should wait until after the next release until we
>>>>> start messing with the dof maps.
>>>>>
>>>>> Are there any issues we need to sort out before releasing 0.8? I'm
>>>>> thinking about a new release some time this or next week.
>>>>>
>>>>> One is to fix the bug in DirichletBC, but other than that?
>>>>>
>>>> Now would be a good time for a release so I can start messing with
>>>> DofMaps.
>>>>
>>>> Garth
>>> Has anything more been done about the DofMap design? During the summer
>>> Niclas has extended to general elements his adaptive algorithm for
>>> distributed parallel computing, so we are now ready to start messing
>>> with
>>> the DofMaps in order to implement his algorithm in DOLFIN.
>>>
>>
>> It has been given some thought, but no changes have been made in the
>> code yet.
>
>
> I take that back - Anders has started on the code within the past day.
>
> Garth

Ok. Is the strategy for this development available somewhere?

/Johan

> If you have something already, I would suggest making it
>> publicly available somewhere for feedback before starting work on
>> DOLFIN.
>>
>> Garth
>>
>>
>>> I see Anders report referenced in the code, where the mapping scheme
>>> described is fairly close to what Niclas has implemented, although
>>> there
>>> are some differences. We will sit down today to sum up what we think
>>> needs
>>> to be done, and then we can discuss this on the mailing list.
>>>
>>> /Johan
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
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