Date: 2026-05-01T06:12:06+00:00

Actual source code: cupmcontext.hip.cxx

      1: #include "../cupmcontext.hpp" /*I "petscdevice.h" I*/

      3: using namespace Petsc::device::cupm;

      5: PetscErrorCode PetscDeviceContextCreate_HIP(PetscDeviceContext dctx)
      6: {
      7:   static constexpr auto hip_context = CUPMContextHip();

      9:   PetscFunctionBegin;
     10:   PetscCall(hip_context.initialize(dctx->device));
     11:   dctx->data = new PetscDeviceContext_(HIP);
     12:   *dctx->ops = hip_context.ops;
     13:   PetscFunctionReturn(PETSC_SUCCESS);
     14: }

     16: /*
     17:  Management of HIPBLAS and HIPSOLVER handles

     19:  Unlike CUDA, hipSOLVER is just for dense matrices so there is
     20:  no distinguishing being dense and sparse.  Also, hipSOLVER is
     21:  very immature so we often have to do the mapping between roc and
     22:  cuda manually.
     23:  */

     25: PetscErrorCode PetscHIPBLASGetHandle(hipblasHandle_t *handle)
     26: {
     27:   PetscDeviceContext dctx;

     29:   PetscFunctionBegin;
     30:   PetscAssertPointer(handle, 1);
     31:   PetscCall(PetscDeviceContextGetCurrentContextAssertType_Internal(&dctx, PETSC_DEVICE_HIP));
     32:   PetscCall(PetscDeviceContextGetBLASHandle_Internal(dctx, handle));
     33:   PetscFunctionReturn(PETSC_SUCCESS);
     34: }

     36: PetscErrorCode PetscHIPSOLVERGetHandle(hipsolverHandle_t *handle)
     37: {
     38:   PetscDeviceContext dctx;

     40:   PetscFunctionBegin;
     41:   PetscAssertPointer(handle, 1);
     42:   PetscCall(PetscDeviceContextGetCurrentContextAssertType_Internal(&dctx, PETSC_DEVICE_HIP));
     43:   PetscCall(PetscDeviceContextGetSOLVERHandle_Internal(dctx, handle));
     44:   PetscFunctionReturn(PETSC_SUCCESS);
     45: }

     47: PetscErrorCode PetscGetCurrentHIPStream(hipStream_t *stream)
     48: {
     49:   PetscDeviceContext dctx;
     50:   void              *handle;

     52:   PetscFunctionBegin;
     53:   PetscAssertPointer(stream, 1);
     54:   PetscCall(PetscDeviceContextGetCurrentContextAssertType_Internal(&dctx, PETSC_DEVICE_HIP));
     55:   PetscCall(PetscDeviceContextGetStreamHandle(dctx, &handle));
     56:   *stream = *(hipStream_t *)handle;
     57:   PetscFunctionReturn(PETSC_SUCCESS);
     58: }