xref: /petsc/src/sys/objects/device/impls/cupm/hip/cupmcontext.hip.cxx (revision cb03e585acbe95da96b64bc31c3a271452d1a5d5)
1 #include "../cupmcontext.hpp" /*I "petscdevice.h" I*/
2 
3 using namespace Petsc::device::cupm;
4 
5 PetscErrorCode PetscDeviceContextCreate_HIP(PetscDeviceContext dctx)
6 {
7   static constexpr auto hip_context = CUPMContextHip();
8 
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 }
15 
16 /*
17  Management of HIPBLAS and HIPSOLVER handles
18 
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  */
24 
25 PetscErrorCode PetscHIPBLASGetHandle(hipblasHandle_t *handle)
26 {
27   PetscDeviceContext dctx;
28 
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 }
35 
36 PetscErrorCode PetscHIPSOLVERGetHandle(hipsolverHandle_t *handle)
37 {
38   PetscDeviceContext dctx;
39 
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 }
46 
47 PetscErrorCode PetscGetCurrentHIPStream(hipStream_t *stream)
48 {
49   PetscDeviceContext dctx;
50   void              *handle;
51 
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 }
59