[MOAB-dev] parallel i/o, not all vertices owned?

[Nico Schlömer]

That's the thing: I only see 989+1078+679=2746 vertices out of a
total 21218 owned. The rest is shared?

Also, before ghosting, I see that process 3 doesn't own anything. Is that
intentional?

--Nico

On Mon, Nov 2, 2015 at 5:16 AM Timothy Tautges <
timothy.tautges at cd-adapco.com> wrote:

> Many verts are owned and not shared.
> On Nov 1, 2015 10:12 PM, "Nico Schlömer" <nico.schloemer at gmail.com> wrote:
>
>> When using MOAB's Parallel Hello-World example on [1], a mesh with  over
>> 20k vertices, I'm getting
>> ```
>> $ mpiexec -n 3 ./par-test
>>  global rank:0 color:0 rank:0 of 3 processors
>>  global rank:1 color:0 rank:1 of 3 processors
>> Reading file ./2.h5m
>>  with options:
>> PARALLEL=READ_PART;PARTITION=PARALLEL_PARTITION;PARALLEL_RESOLVE_SHARED_ENTS
>>  on 3 processors on 1 communicator(s)
>>  Shared, owned entities on proc 0: 452 verts, 1162 edges, 711 faces, 0
>> elements
>>  Shared, owned entities on proc 1: 371 verts, 1037 edges, 666 faces, 0
>> elements
>>  Shared, owned entities on proc 2: 0 verts, 0 edges, 0 faces, 0 elements
>>
>>
>>  After exchanging one ghost layer:
>>  Shared, owned entities on proc 0: 989 verts, 1162 edges, 711 faces, 2301
>> elements
>>  Shared, owned entities on proc 1: 1078 verts, 1037 edges, 666 faces,
>> 3349 elements
>>  Shared, owned entities on proc 2: 679 verts, 0 edges, 0 faces, 3182
>> elements
>> ```
>> Only a few hundret owned vertices? That doesn't sum to to 20k. What's the
>> issue here? Maybe I misunderstand the notion of ownage here.
>>
>> Cheers,
>> Nico
>>
>> [1] http://chunk.io/f/c3ee1eebbcbd4734a368ffb287f1f37f
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/moab-dev/attachments/20151102/0ba60248/attachment.html>