[mpiwg-coll] deprecating MPI_GRAPH_CREATE?

[Torsten Hoefler]

Is there an alternative?

:-)

Torsten

PS: I will stop spamming the list with this topic now.

On 12/02/2014 08:41 PM, Jeff Hammond wrote:
> Does the non-scalable nature of v-collectives prevent people from using them?
>
> :-)
>
> Jeff
>
> On Tue, Dec 2, 2014 at 11:38 AM, Torsten Hoefler <htor at inf.ethz.ch> wrote:
>> 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
>> _______________________________________________
>> 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