Re: [petsc-dev] Comp-comm overlap with DMPlex

2014-01-15 Thread Matthew Knepley
On Wed, Jan 15, 2014 at 7:16 AM, Michael Lange wrote: > Hi, > > I am trying to implement a computation-communication overlap with DMPlex, > where local values that do not need to be sent are updated while the DM/SF > is broadcasting the ghost values (DMGlobalToLocal() or PetscSFBcast(), I've > tr

[petsc-dev] Comp-comm overlap with DMPlex

2014-01-15 Thread Michael Lange
Hi, I am trying to implement a computation-communication overlap with DMPlex, where local values that do not need to be sent are updated while the DM/SF is broadcasting the ghost values (DMGlobalToLocal() or PetscSFBcast(), I've tried both). The problem is that this only works if I force the