Re: [petsc-users] solve problem with pastix

2019-11-19 Thread Smith, Barry F. via petsc-users
Thanks for the fix. https://gitlab.com/petsc/petsc/pipelines/96957999 > On Nov 14, 2019, at 2:04 PM, hg wrote: > > Hello > > It turns out that hwloc is not installed on the cluster system that I'm > using. Without hwloc, pastix will run into the branch using sched_setaffinity > and cause

Re: [petsc-users] solve problem with pastix

2019-11-06 Thread hg via petsc-users
Hi Barry Maybe you're right, sched_setaffinity returns EINVAL in my case, Probably the scheduler does not allow the process to bind to thread on its own. Giang On Wed, Nov 6, 2019 at 4:52 PM Smith, Barry F. wrote: > > You can also just look at configure.log where it will show the calling >

Re: [petsc-users] solve problem with pastix

2019-11-06 Thread Smith, Barry F. via petsc-users
You can also just look at configure.log where it will show the calling sequence of how PETSc configured and built Pastix. The recipe is in config/BuildSystem/config/packages/PaStiX.py we don't monkey with low level things like the affinity of external packages. My guess is that your cluster

Re: [petsc-users] solve problem with pastix

2019-11-05 Thread Smith, Barry F. via petsc-users
Google finds this https://gforge.inria.fr/forum/forum.php?thread_id=32824&forum_id=599&group_id=186 > On Nov 5, 2019, at 7:01 PM, Matthew Knepley via petsc-users > wrote: > > I have no idea. That is a good question for the PasTix list. > > Thanks, > > Matt > > On Tue, Nov 5, 201

Re: [petsc-users] solve problem with pastix

2019-11-05 Thread Matthew Knepley via petsc-users
I have no idea. That is a good question for the PasTix list. Thanks, Matt On Tue, Nov 5, 2019 at 5:32 PM hg wrote: > Should thread affinity be invoked? I set -mat_pastix_threadnbr 1 and also > OMP_NUM_THREADS to 1 > > Giang > > > On Tue, Nov 5, 2019 at 10:50 PM Matthew Knepley wrote: >