xref: /petsc/src/mat/impls/hypre/hip/hypre2.hip.cxx (revision d756bedd70a89ca052be956bccd75c5761cb2ab4)

#include <petsc/private/petschypre.h>
#include <petscdevice_hip.h>
#include <../src/mat/impls/hypre/mhypre_kernels.hpp>

PetscErrorCode MatZeroRows_HIP(PetscInt n, const PetscInt rows[], const HYPRE_Int i[], const HYPRE_Int j[], HYPRE_Complex a[], HYPRE_Complex diag)
{
  const PetscInt blkDimX = 16, blkDimY = 32;
  PetscInt       gridDimX = (n + blkDimX - 1) / blkDimX;
  hipStream_t    stream;

  PetscFunctionBegin;
  if (!n) PetscFunctionReturn(PETSC_SUCCESS);
  PetscCall(PetscGetCurrentHIPStream(&stream));
  hipLaunchKernelGGL(ZeroRows, dim3(gridDimX, 1), dim3(blkDimX, blkDimY), 0, stream, n, rows, i, j, a, diag);
  PetscCallHIP(hipGetLastError());
  PetscFunctionReturn(PETSC_SUCCESS);
}