xref: /libCEED/rust/libceed-sys/c-src/backends/cuda-ref/ceed-cuda-ref.h (revision d075f50ba6d3b1e38c233860adb1de6c814f0afc)
13d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
23d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
30d0321e0SJeremy L Thompson //
43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
50d0321e0SJeremy L Thompson //
63d8e8822SJeremy L Thompson // This file is part of CEED:  http://github.com/ceed
70d0321e0SJeremy L Thompson 
894b7b29bSJeremy L Thompson #ifndef CEED_CUDA_REF_H
994b7b29bSJeremy L Thompson #define CEED_CUDA_REF_H
100d0321e0SJeremy L Thompson 
1149aac155SJeremy L Thompson #include <ceed.h>
120d0321e0SJeremy L Thompson #include <ceed/backend.h>
1349aac155SJeremy L Thompson #include <ceed/jit-source/cuda/cuda-types.h>
1449aac155SJeremy L Thompson #include <cublas_v2.h>
150d0321e0SJeremy L Thompson #include <cuda.h>
162b730f8bSJeremy L Thompson 
170d0321e0SJeremy L Thompson typedef struct {
180d0321e0SJeremy L Thompson   CeedScalar *h_array;
190d0321e0SJeremy L Thompson   CeedScalar *h_array_borrowed;
200d0321e0SJeremy L Thompson   CeedScalar *h_array_owned;
210d0321e0SJeremy L Thompson   CeedScalar *d_array;
220d0321e0SJeremy L Thompson   CeedScalar *d_array_borrowed;
230d0321e0SJeremy L Thompson   CeedScalar *d_array_owned;
240d0321e0SJeremy L Thompson } CeedVector_Cuda;
250d0321e0SJeremy L Thompson 
260d0321e0SJeremy L Thompson typedef struct {
270d0321e0SJeremy L Thompson   CUmodule   module;
28437930d1SJeremy L Thompson   CUfunction StridedNoTranspose;
2958549094SSebastian Grimberg   CUfunction StridedTranspose;
30437930d1SJeremy L Thompson   CUfunction OffsetNoTranspose;
3158549094SSebastian Grimberg   CUfunction OffsetTranspose;
3258549094SSebastian Grimberg   CUfunction OffsetTransposeDet;
33437930d1SJeremy L Thompson   CeedInt    num_nodes;
340d0321e0SJeremy L Thompson   CeedInt   *h_ind;
350d0321e0SJeremy L Thompson   CeedInt   *h_ind_allocated;
360d0321e0SJeremy L Thompson   CeedInt   *d_ind;
370d0321e0SJeremy L Thompson   CeedInt   *d_ind_allocated;
38437930d1SJeremy L Thompson   CeedInt   *d_t_offsets;
39437930d1SJeremy L Thompson   CeedInt   *d_t_indices;
40437930d1SJeremy L Thompson   CeedInt   *d_l_vec_indices;
410d0321e0SJeremy L Thompson } CeedElemRestriction_Cuda;
420d0321e0SJeremy L Thompson 
43437930d1SJeremy L Thompson typedef struct {
44437930d1SJeremy L Thompson   CUmodule    module;
45437930d1SJeremy L Thompson   CUfunction  Interp;
46437930d1SJeremy L Thompson   CUfunction  Grad;
47437930d1SJeremy L Thompson   CUfunction  Weight;
48437930d1SJeremy L Thompson   CeedScalar *d_interp_1d;
49437930d1SJeremy L Thompson   CeedScalar *d_grad_1d;
50437930d1SJeremy L Thompson   CeedScalar *d_q_weight_1d;
51437930d1SJeremy L Thompson } CeedBasis_Cuda;
52437930d1SJeremy L Thompson 
53437930d1SJeremy L Thompson typedef struct {
54437930d1SJeremy L Thompson   CUmodule    module;
55437930d1SJeremy L Thompson   CUfunction  Interp;
56*d075f50bSSebastian Grimberg   CUfunction  InterpTranspose;
57*d075f50bSSebastian Grimberg   CUfunction  Deriv;
58*d075f50bSSebastian Grimberg   CUfunction  DerivTranspose;
59437930d1SJeremy L Thompson   CUfunction  Weight;
60437930d1SJeremy L Thompson   CeedScalar *d_interp;
61437930d1SJeremy L Thompson   CeedScalar *d_grad;
62*d075f50bSSebastian Grimberg   CeedScalar *d_div;
63*d075f50bSSebastian Grimberg   CeedScalar *d_curl;
64437930d1SJeremy L Thompson   CeedScalar *d_q_weight;
65437930d1SJeremy L Thompson } CeedBasisNonTensor_Cuda;
66437930d1SJeremy L Thompson 
670d0321e0SJeremy L Thompson typedef struct {
680d0321e0SJeremy L Thompson   CUmodule    module;
69437930d1SJeremy L Thompson   char       *qfunction_name;
70437930d1SJeremy L Thompson   char       *qfunction_source;
71437930d1SJeremy L Thompson   CUfunction  QFunction;
720d0321e0SJeremy L Thompson   Fields_Cuda fields;
730d0321e0SJeremy L Thompson   void       *d_c;
740d0321e0SJeremy L Thompson } CeedQFunction_Cuda;
750d0321e0SJeremy L Thompson 
760d0321e0SJeremy L Thompson typedef struct {
770d0321e0SJeremy L Thompson   void *h_data;
780d0321e0SJeremy L Thompson   void *h_data_borrowed;
790d0321e0SJeremy L Thompson   void *h_data_owned;
800d0321e0SJeremy L Thompson   void *d_data;
810d0321e0SJeremy L Thompson   void *d_data_borrowed;
820d0321e0SJeremy L Thompson   void *d_data_owned;
830d0321e0SJeremy L Thompson } CeedQFunctionContext_Cuda;
840d0321e0SJeremy L Thompson 
850d0321e0SJeremy L Thompson typedef struct {
860d0321e0SJeremy L Thompson   CUmodule            module;
870d0321e0SJeremy L Thompson   CUfunction          linearDiagonal;
880d0321e0SJeremy L Thompson   CUfunction          linearPointBlock;
89ca735530SJeremy L Thompson   CeedBasis           basis_in, basis_out;
90506b1a0cSSebastian Grimberg   CeedElemRestriction diag_rstr, point_block_diag_rstr;
91ca735530SJeremy L Thompson   CeedVector          elem_diag, point_block_elem_diag;
92ca735530SJeremy L Thompson   CeedInt             num_e_mode_in, num_e_mode_out, num_nodes;
93ca735530SJeremy L Thompson   CeedEvalMode       *h_e_mode_in, *h_e_mode_out;
94ca735530SJeremy L Thompson   CeedEvalMode       *d_e_mode_in, *d_e_mode_out;
95ca735530SJeremy L Thompson   CeedScalar         *d_identity, *d_interp_in, *d_interp_out, *d_grad_in, *d_grad_out;
960d0321e0SJeremy L Thompson } CeedOperatorDiag_Cuda;
970d0321e0SJeremy L Thompson 
980d0321e0SJeremy L Thompson typedef struct {
99cc132f9aSnbeams   CUmodule    module;
100cc132f9aSnbeams   CUfunction  linearAssemble;
101ca735530SJeremy L Thompson   CeedInt     num_elem, block_size_x, block_size_y, elem_per_block;
102cc132f9aSnbeams   CeedScalar *d_B_in, *d_B_out;
103cc132f9aSnbeams } CeedOperatorAssemble_Cuda;
104cc132f9aSnbeams 
105cc132f9aSnbeams typedef struct {
106ca735530SJeremy L Thompson   CeedVector                *e_vecs;      // E-vectors, inputs followed by outputs
107ca735530SJeremy L Thompson   CeedVector                *q_vecs_in;   // Input Q-vectors needed to apply operator
108ca735530SJeremy L Thompson   CeedVector                *q_vecs_out;  // Output Q-vectors needed to apply operator
109ca735530SJeremy L Thompson   CeedInt                    num_inputs, num_outputs;
110ca735530SJeremy L Thompson   CeedInt                    num_active_in, num_active_out;
111ca735530SJeremy L Thompson   CeedVector                *qf_active_in;
1120d0321e0SJeremy L Thompson   CeedOperatorDiag_Cuda     *diag;
113cc132f9aSnbeams   CeedOperatorAssemble_Cuda *asmb;
1140d0321e0SJeremy L Thompson } CeedOperator_Cuda;
1150d0321e0SJeremy L Thompson 
116eb7e6cafSJeremy L Thompson CEED_INTERN int CeedGetCublasHandle_Cuda(Ceed ceed, cublasHandle_t *handle);
1170d0321e0SJeremy L Thompson 
1181f9221feSJeremy L Thompson CEED_INTERN int CeedVectorCreate_Cuda(CeedSize n, CeedVector vec);
1190d0321e0SJeremy L Thompson 
1200305e208SSebastian Grimberg CEED_INTERN int CeedElemRestrictionCreate_Cuda(CeedMemType mem_type, CeedCopyMode copy_mode, const CeedInt *indices, const bool *orients,
1210c73c039SSebastian Grimberg                                                const CeedInt8 *curl_orients, CeedElemRestriction r);
1220d0321e0SJeremy L Thompson 
1232b730f8bSJeremy L Thompson CEED_INTERN int CeedBasisCreateTensorH1_Cuda(CeedInt dim, CeedInt P_1d, CeedInt Q_1d, const CeedScalar *interp_1d, const CeedScalar *grad_1d,
1246574a04fSJeremy L Thompson                                              const CeedScalar *q_ref_1d, const CeedScalar *q_weight_1d, CeedBasis basis);
12551475c7cSJeremy L Thompson CEED_INTERN int CeedBasisCreateH1_Cuda(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp,
12651475c7cSJeremy L Thompson                                        const CeedScalar *grad, const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis);
127*d075f50bSSebastian Grimberg CEED_INTERN int CeedBasisCreateHdiv_Cuda(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp,
128*d075f50bSSebastian Grimberg                                          const CeedScalar *div, const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis);
129*d075f50bSSebastian Grimberg CEED_INTERN int CeedBasisCreateHcurl_Cuda(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp,
130*d075f50bSSebastian Grimberg                                           const CeedScalar *curl, const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis);
1310d0321e0SJeremy L Thompson 
1320d0321e0SJeremy L Thompson CEED_INTERN int CeedQFunctionCreate_Cuda(CeedQFunction qf);
1330d0321e0SJeremy L Thompson 
1340d0321e0SJeremy L Thompson CEED_INTERN int CeedQFunctionContextCreate_Cuda(CeedQFunctionContext ctx);
1350d0321e0SJeremy L Thompson 
1360d0321e0SJeremy L Thompson CEED_INTERN int CeedOperatorCreate_Cuda(CeedOperator op);
1370d0321e0SJeremy L Thompson 
13894b7b29bSJeremy L Thompson #endif  // CEED_CUDA_REF_H
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