On Wed, 2 Aug 2017, Harshad Sahasrabudhe wrote:
ReplicatedMesh or DistributedMesh?
I'm using DistributedMesh. I call allgather() before setting up the point
locator.
Hmm... it's possible this is our bug, then. There were bugs in a
couple "DistributedMesh, but currently serialized" code paths a while
back, and I fixed them, but I'm not sure if we have any test coverage
of that case with a PointLocatorTree.
Any chance you can set up a case we can try to replicate locally?
I will try making a test case that's crashing.
Thanks!
Oh, I think I forgot to ask before: you have run this in dbg mode,
right? And it still segfaults there, it doesn't throw an error? I
saw a stack trace with line numbers so I figured "he's not in opt",
but I suppose you could have been in devel, and devel honestly isn't
good enough for DistributedMesh - there are a bunch of distributed
consistency tests we only run in dbg mode because they require
O(N_elem) communication and so destroy scaling.
---
Roy
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