[yt-dev] push_with_ids

Matthew Turk matthewturk at gmail.com
Sat Apr 13 07:54:36 PDT 2013


On Sat, Apr 13, 2013 at 10:40 AM, Stephen Skory <s at skory.us> wrote:
> Hi Matt,
>
>> communication_system.push_with_ids(ranks)
>>
>> Can either of you think why this might be a problem?  I thought
>> MVAPICH supported everything we use, but if this is dying, that  could
>> be an issue.  Sam, if she's using the Enzo with the refactored
>> communicator, could that be an issue here?  Any ideas?
>
> I can't say I've ever run into any problems with communicator groups
> with MVAPICH. A cursory search tells me that MVAPICH is supposed to
> support that kind of thing. Have you tried doing what push_with_ids
> does in a small isolated script?

Not yet, but I'll have a shot at that.  My guess is that it's the Enzo
refactoring, then.

>
>> ...all the more reason for an isolated, over-the-wire interface library...
>
> ... I don't follow, something that doesn't use MPI?

Something that doesn't link against the simulation code, but talks to
it through intercommunicators or through a non-MPI method.

>
> --
> Stephen Skory
> s at skory.us
> http://stephenskory.com/
> 510.621.3687 (google voice)
> _______________________________________________
> yt-dev mailing list
> yt-dev at lists.spacepope.org
> http://lists.spacepope.org/listinfo.cgi/yt-dev-spacepope.org



More information about the yt-dev mailing list