Re: [Libmesh-users] Projection helgrind error

2019-05-30 Thread Stogner, Roy H
Man this was harder to track down than it should have been. Would you try adding the line: SubFunctor::join(other); to the end of SortAndCopy::join, around generic_projector.h:1649? That seems to fix the problems I'm able to trigger easily; hoping it will fix yours too. I have to run and be

Re: [Libmesh-users] Projection helgrind error

2019-05-16 Thread Alexander Lindsay
Awesome, thanks Roy. On Tue, May 14, 2019 at 2:36 PM Stogner, Roy H wrote: > > On Mon, 13 May 2019, Alexander Lindsay wrote: > > > I could maybe think of a libmesh-only case, but if you're willing to > > run MOOSE, you can run the > > moose/test/tests/geomsearch/nearest_node_locator/nearest_node

Re: [Libmesh-users] Projection helgrind error

2019-05-14 Thread Stogner, Roy H
On Mon, 13 May 2019, Alexander Lindsay wrote: > I could maybe think of a libmesh-only case, but if you're willing to > run MOOSE, you can run the > moose/test/tests/geomsearch/nearest_node_locator/nearest_node_locator.i > input file. It appears to reproduce the error every time (with > --n-threa

Re: [Libmesh-users] Projection helgrind error

2019-05-13 Thread John Peterson
On Mon, May 13, 2019 at 4:45 PM Alexander Lindsay wrote: > I could maybe think of a libmesh-only case, but if you're willing to run > MOOSE, you can run the > moose/test/tests/geomsearch/nearest_node_locator/nearest_node_locator.i > input file. It appears to reproduce the error every time (with >

Re: [Libmesh-users] Projection helgrind error

2019-05-13 Thread Alexander Lindsay
I could maybe think of a libmesh-only case, but if you're willing to run MOOSE, you can run the moose/test/tests/geomsearch/nearest_node_locator/nearest_node_locator.i input file. It appears to reproduce the error every time (with --n-threads=2). You're probably already aware of this, but for helg

Re: [Libmesh-users] Projection helgrind error

2019-05-09 Thread Stogner, Roy H
On Thu, 9 May 2019, Alexander Lindsay wrote: > I'm getting the helgrind error below. Is this a false positive? My intuition says "no, this is a real bug", but I'm having trouble figuring out what's really going on here. There's a race condition between a read and a write to the same spot in th