1 #include <petscdevice.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 cudaError_t cerr; 34 35 ierr = PetscCUDAInitializeCheck();CHKERRQ(ierr); 36 cerr = cudaGetDevice(&devId);CHKERRCUDA(cerr); 37 #elif defined(KOKKOS_ENABLE_HIP) /* Kokkos does not support CUDA and HIP at the same time */ 38 hipError_t herr; 39 40 ierr = PetscHIPInitializeCheck();CHKERRQ(ierr); 41 herr = hipGetDevice(&devId);CHKERRHIP(herr); 42 #endif 43 args.device_id = devId; 44 Kokkos::initialize(args); 45 PetscBeganKokkos = PETSC_TRUE; 46 } 47 PetscKokkosInitialized = PETSC_TRUE; 48 PetscFunctionReturn(0); 49 } 50