Re: [petsc-users] CUDA-Aware MPI & PETSc

2019-10-07 Thread Zhang, Junchao via petsc-users
Hello, David, It took a longer time than I expected to add the CUDA-aware MPI feature in PETSc. It is now in PETSc-3.12, released last week. I have a little fix after that, so you better use petsc master. Use petsc option -use_gpu_aware_mpi to enable it. On Summit, you also need jsrun

Re: [petsc-users] CUDA-Aware MPI & PETSc

2019-08-22 Thread Zhang, Junchao via petsc-users
Definitely I will do. Thanks. --Junchao Zhang On Thu, Aug 22, 2019 at 11:34 AM David Gutzwiller mailto:david.gutzwil...@gmail.com>> wrote: Hello Junchao, Spectacular news! I have our production code running on Summit (Power9 + Nvidia V100) and on local x86 workstations, and I can definitely

Re: [petsc-users] CUDA-Aware MPI & PETSc

2019-08-22 Thread Zhang, Junchao via petsc-users
This feature is under active development. I hope I can make it usable in a couple of weeks. Thanks. --Junchao Zhang On Wed, Aug 21, 2019 at 3:21 PM David Gutzwiller via petsc-users mailto:petsc-users@mcs.anl.gov>> wrote: Hello, I'm currently using PETSc for the GPU acceleration of simple