We seem to be emphasizing using MatSetValuesCOO() for GPUs (can also be for CPUs); in the main branch you can find a simple example in src/mat/tutorials/ex18.c which demonstrates its use.
Barry > On Mar 17, 2022, at 4:46 PM, Sajid Ali Syed <[email protected]> wrote: > > Hi PETSc-developers, > > Is it possible to use VecSetValues with distributed-memory CUDA & Kokkos > vectors from the device, i.e. can I call VecSetValues with GPU memory > pointers and expect PETSc to figure out how to stash on the device it until I > call VecAssemblyBegin (at which point PETSc could use GPU-aware MPI to > populate off-process values) ? > > If this is not currently supported, is supporting this on the roadmap? Thanks > in advance! > > Thank You, > Sajid Ali (he/him) | Research Associate > Scientific Computing Division > Fermi National Accelerator Laboratory > s-sajid-ali.github.io <http://s-sajid-ali.github.io/>
