1 #include <petscsys.h> 2 #include <petsc/private/petscimpl.h> 3 #include <Kokkos_Core.hpp> 4 5 PetscBool PetscKokkosInitialized = PETSC_FALSE; 6 7 PetscErrorCode PetscKokkosFinalize_Private(void) 8 { 9 PetscFunctionBegin; 10 Kokkos::finalize(); 11 PetscFunctionReturn(0); 12 } 13 14 PetscErrorCode PetscKokkosIsInitialized_Private(PetscBool *isInitialized) 15 { 16 PetscFunctionBegin; 17 *isInitialized = Kokkos::is_initialized() ? PETSC_TRUE : PETSC_FALSE; 18 PetscFunctionReturn(0); 19 } 20 21 /* Initialize Kokkos if not yet */ 22 PetscErrorCode PetscKokkosInitializeCheck(void) 23 { 24 #if defined(KOKKOS_ENABLE_CUDA) || defined(KOKKOS_ENABLE_HIP) 25 PetscErrorCode ierr; 26 #endif 27 Kokkos::InitArguments args; 28 int devId = -1; 29 30 PetscFunctionBegin; 31 if (!Kokkos::is_initialized()) { 32 #if defined(KOKKOS_ENABLE_CUDA) 33 ierr = PetscCUDAInitializeCheck();CHKERRQ(ierr); 34 cudaGetDevice(&devId); 35 #elif defined(KOKKOS_ENABLE_HIP) /* Kokkos does not support CUDA and HIP at the same time */ 36 ierr = PetscHIPInitializeCheck();CHKERRQ(ierr); 37 hipGetDevice(&devId); 38 #endif 39 args.device_id = devId; 40 Kokkos::initialize(args); 41 PetscBeganKokkos = PETSC_TRUE; 42 } 43 PetscKokkosInitialized = PETSC_TRUE; 44 PetscFunctionReturn(0); 45 } 46