[petsc-users] Any reason for API change: DMGetWorkArray()

Fande Kong fdkong.jd at gmail.com
Thu Jan 10 17:07:22 CST 2019


OK...,

Thanks for the words.

Fande,

On Thu, Jan 10, 2019 at 3:36 PM Matthew Knepley <knepley at gmail.com> wrote:

> On Thu, Jan 10, 2019 at 5:31 PM Fande Kong <fdkong.jd at gmail.com> wrote:
>
>> Thanks, Matt,
>>
>> And then what is the reason to remove PetscDataType? I am out of
>> curiosity.
>>
>
> Occam's Razor: "one should not increase, beyond what is necessary, the
> number of entities required to explain anything"
>
>    Matt
>
>
>> DMGetWorkArray is a little misleading. This may/might make people think
>> the routine is related to MPI, but it does not have anything to do with MPI.
>>
>> Thanks,
>>
>> Fande,
>>
>> On Thu, Jan 10, 2019 at 3:22 PM Matthew Knepley <knepley at gmail.com>
>> wrote:
>>
>>> We are trying to eliminate PetscDataType.
>>>
>>>   Matt
>>>
>>> On Thu, Jan 10, 2019 at 5:10 PM Fande Kong via petsc-users <
>>> petsc-users at mcs.anl.gov> wrote:
>>>
>>>> Hi All,
>>>>
>>>> The second parameter is changed from PetscDataType to MPI_Datatype
>>>> starting from PETSc-3.9.x
>>>>
>>>> Thanks,
>>>>
>>>> Fande Kong,
>>>>
>>>
>>>
>>> --
>>> 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
>>>
>>> https://www.cse.buffalo.edu/~knepley/
>>> <http://www.cse.buffalo.edu/~knepley/>
>>>
>>
>
> --
> 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
>
> https://www.cse.buffalo.edu/~knepley/
> <http://www.cse.buffalo.edu/~knepley/>
>
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