Re: [petsc-dev] thread communicator

Thanks, Barry and Jeff! I will pass the word on about MPI-4. I was at the last FASTMath meeting and I do recall that you were at least wondering whether a shared memory model was needed, but I didn’t realize that you had ripped all of the threading code out of PETSc. For what it’s worth, I

Re: [petsc-dev] thread communicator

Rob: You might be interested in the MPI-4 endpoints proposal. It should allow MPI communicators to act as thread communicators. Jeff On Tue, Jan 12, 2016 at 12:33 PM, Barry Smith wrote: > > Rob, > > I guess you missed the last FASTMath meeting. We have stopped all

Re: [petsc-dev] thread communicator

Rob, I guess you missed the last FASTMath meeting. We have stopped all work on using threads a long time ago because we never saw an improvement in performance and it was a pain to maintain. We even ripped the thread code out of PETSc so currently we are back to being an all "MPI"