Re: [petsc-users] Status of PETScSF failures with GPU-aware MPI on Perlmutter

2023-11-02 Thread Jed Brown
What modules do you have loaded. I don't know if it currently works with cuda-11.7. I assume you're following these instructions carefully. https://docs.nersc.gov/development/programming-models/mpi/cray-mpich/#cuda-aware-mpi In our experience, GPU-aware MPI continues to be brittle on these

Re: [petsc-users] Status of PETScSF failures with GPU-aware MPI on Perlmutter

2023-11-02 Thread Junchao Zhang
Hi, Sajid, Do you have a test example to reproduce the error? --Junchao Zhang On Thu, Nov 2, 2023 at 3:37 PM Sajid Ali wrote: > Hi PETSc-developers, > > I had posted about crashes within PETScSF when using GPU-aware MPI on > Perlmutter a while ago ( >