[mpiwg-coll] deprecating MPI_GRAPH_CREATE?

[Torsten Hoefler]

I consider this risk as low because it says it in the standard that it's 
non-scalable as well as in any recent documentation. Yes, some people 
will write bad codes.

All the Best,
	Torsten

On 12/02/2014 08:28 PM, Jeff Hammond wrote:
> I created ticket 462 as a placeholder for whenever someone has time to
> work on this.
>
> MPI_GRAPH_CREATE does harm to users because they might use it.
> Somebody might naively think that distributed graphs are more
> complicated to use than replicated ones...
>
> Jeff
>
> On Tue, Dec 2, 2014 at 1:57 AM, Torsten Hoefler <htor at inf.ethz.ch> wrote:
>> I am unfortunately too busy these days to drive it (a clean removal will
>> touch several places). It is ugly but it doesn't do any direct harm to the
>> standard or its users.
>>
>> Best,
>>          Torsten
>>
>>
>> On 01.12.2014 17:02, Jeff Hammond wrote:
>>>
>>> But you're not going to write that proposal? You seem more qualified than
>>> most...
>>>
>>> Jeff
>>>
>>> Sent from my iPhone
>>>
>>>> On Dec 1, 2014, at 7:51 AM, Torsten Hoefler <htor at inf.ethz.ch> wrote:
>>>>
>>>> Jeff,
>>>>
>>>> There is no such proposal yet (afaik), I'd support a carefully crafted
>>>> one and I think I wouldn't be alone.
>>>>
>>>> Thanks & Best,
>>>>      Torsten
>>>>
>>>>> On 01.12.2014 06:41, Jeff Hammond wrote:
>>>>> Regarding http://lists.mpi-forum.org/mpiwg-coll/2014/03/0289.php, is
>>>>> there a proposal to deprecate MPI_GRAPH_CREATE?  It seems that there
>>>>> are many issues with it and they are deliberately not getting fixed
>>>>> because a subset of the issues with it make it too horrible to fix.
>>>>>
>>>>> I find this situation distasteful as it leads to a poor user
>>>>> experience.  Let's do the right thing and put MPI_GRAPH_CREATE out of
>>>>> our misery sooner rather than later.
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Jeff
>>>>
>>>>
>>>> --
>>>> ### qreharg rug ebs fv crryF --- http://htor.inf.ethz.ch/ ---
>>>> Torsten Hoefler           | Assistant Professor
>>>> Dept. of Computer Science | ETH Zürich
>>>> Universitätsstrasse 6     | Zurich-8092, Switzerland
>>>> CAB E 64.1                | Phone: +41 76 309 79 29
>>>> _______________________________________________
>>>> mpiwg-coll mailing list
>>>> mpiwg-coll at lists.mpi-forum.org
>>>> http://lists.mpi-forum.org/mailman/listinfo.cgi/mpiwg-coll
>>>
>>> _______________________________________________
>>> mpiwg-coll mailing list
>>> mpiwg-coll at lists.mpi-forum.org
>>> http://lists.mpi-forum.org/mailman/listinfo.cgi/mpiwg-coll
>>>
>>
>> --
>> ### qreharg rug ebs fv crryF --- http://htor.inf.ethz.ch/ ---
>> Torsten Hoefler           | Assistant Professor
>> Dept. of Computer Science | ETH Zürich
>> Universitätsstrasse 6     | Zurich-8092, Switzerland
>> CAB E 64.1                | Phone: +41 76 309 79 29
>> _______________________________________________
>> mpiwg-coll mailing list
>> mpiwg-coll at lists.mpi-forum.org
>> http://lists.mpi-forum.org/mailman/listinfo.cgi/mpiwg-coll
>
>
>

-- 
### qreharg rug ebs fv crryF ------------- http://www.unixer.de/ -----
Torsten Hoefler           | Assistant Professor
Dept. of Computer Science | ETH Zürich
Universitätsstrasse 6     | Zurich-8092, Switzerland
CAB E 64.1                | Phone: +41 76 309 79 29