xref: /libCEED/rust/libceed-sys/c-src/backends/hip-ref/ceed-hip-ref-basis.c (revision 19a04db8f2245ce5b2896f00805cba58aafa343d)
1 // Copyright (c) 2017-2024, Lawrence Livermore National Security, LLC and other CEED contributors.
2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3 //
4 // SPDX-License-Identifier: BSD-2-Clause
5 //
6 // This file is part of CEED:  http://github.com/ceed
7 
8 #include <ceed.h>
9 #include <ceed/backend.h>
10 #include <ceed/jit-tools.h>
11 #include <string.h>
12 #include <hip/hip_runtime.h>
13 
14 #include "../hip/ceed-hip-common.h"
15 #include "../hip/ceed-hip-compile.h"
16 #include "ceed-hip-ref.h"
17 
18 //------------------------------------------------------------------------------
19 // Basis apply - tensor
20 //------------------------------------------------------------------------------
21 static int CeedBasisApplyCore_Hip(CeedBasis basis, bool apply_add, const CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode eval_mode,
22                                   CeedVector u, CeedVector v) {
23   Ceed              ceed;
24   CeedInt           Q_1d, dim;
25   const CeedInt     is_transpose   = t_mode == CEED_TRANSPOSE;
26   const int         max_block_size = 64;
27   const CeedScalar *d_u;
28   CeedScalar       *d_v;
29   CeedBasis_Hip    *data;
30 
31   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
32   CeedCallBackend(CeedBasisGetData(basis, &data));
33 
34   // Get read/write access to u, v
35   if (u != CEED_VECTOR_NONE) CeedCallBackend(CeedVectorGetArrayRead(u, CEED_MEM_DEVICE, &d_u));
36   else CeedCheck(eval_mode == CEED_EVAL_WEIGHT, ceed, CEED_ERROR_BACKEND, "An input vector is required for this CeedEvalMode");
37   if (apply_add) CeedCallBackend(CeedVectorGetArray(v, CEED_MEM_DEVICE, &d_v));
38   else CeedCallBackend(CeedVectorGetArrayWrite(v, CEED_MEM_DEVICE, &d_v));
39 
40   // Clear v for transpose operation
41   if (is_transpose && !apply_add) {
42     CeedInt  num_comp, q_comp, num_nodes, num_qpts;
43     CeedSize length;
44 
45     CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
46     CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, eval_mode, &q_comp));
47     CeedCallBackend(CeedBasisGetNumNodes(basis, &num_nodes));
48     CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis, &num_qpts));
49     length = (CeedSize)num_elem * (CeedSize)num_comp * (t_mode == CEED_TRANSPOSE ? (CeedSize)num_nodes : ((CeedSize)num_qpts * (CeedSize)q_comp));
50     CeedCallHip(ceed, hipMemset(d_v, 0, length * sizeof(CeedScalar)));
51   }
52   CeedCallBackend(CeedBasisGetNumQuadraturePoints1D(basis, &Q_1d));
53   CeedCallBackend(CeedBasisGetDimension(basis, &dim));
54 
55   // Basis action
56   switch (eval_mode) {
57     case CEED_EVAL_INTERP: {
58       void         *interp_args[] = {(void *)&num_elem, (void *)&is_transpose, &data->d_interp_1d, &d_u, &d_v};
59       const CeedInt block_size    = CeedIntMin(CeedIntPow(Q_1d, dim), max_block_size);
60 
61       CeedCallBackend(CeedRunKernel_Hip(ceed, data->Interp, num_elem, block_size, interp_args));
62     } break;
63     case CEED_EVAL_GRAD: {
64       void         *grad_args[] = {(void *)&num_elem, (void *)&is_transpose, &data->d_interp_1d, &data->d_grad_1d, &d_u, &d_v};
65       const CeedInt block_size  = max_block_size;
66 
67       CeedCallBackend(CeedRunKernel_Hip(ceed, data->Grad, num_elem, block_size, grad_args));
68     } break;
69     case CEED_EVAL_WEIGHT: {
70       CeedCheck(data->d_q_weight_1d, ceed, CEED_ERROR_BACKEND, "%s not supported; q_weights_1d not set", CeedEvalModes[eval_mode]);
71       void     *weight_args[] = {(void *)&num_elem, (void *)&data->d_q_weight_1d, &d_v};
72       const int block_size_x  = Q_1d;
73       const int block_size_y  = dim >= 2 ? Q_1d : 1;
74 
75       CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Weight, num_elem, block_size_x, block_size_y, 1, weight_args));
76     } break;
77     case CEED_EVAL_NONE: /* handled separately below */
78       break;
79     // LCOV_EXCL_START
80     case CEED_EVAL_DIV:
81     case CEED_EVAL_CURL:
82       return CeedError(ceed, CEED_ERROR_BACKEND, "%s not supported", CeedEvalModes[eval_mode]);
83       // LCOV_EXCL_STOP
84   }
85 
86   // Restore vectors, cover CEED_EVAL_NONE
87   CeedCallBackend(CeedVectorRestoreArray(v, &d_v));
88   if (eval_mode == CEED_EVAL_NONE) CeedCallBackend(CeedVectorSetArray(v, CEED_MEM_DEVICE, CEED_COPY_VALUES, (CeedScalar *)d_u));
89   if (eval_mode != CEED_EVAL_WEIGHT) CeedCallBackend(CeedVectorRestoreArrayRead(u, &d_u));
90   return CEED_ERROR_SUCCESS;
91 }
92 
93 static int CeedBasisApply_Hip(CeedBasis basis, const CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode eval_mode, CeedVector u, CeedVector v) {
94   CeedCallBackend(CeedBasisApplyCore_Hip(basis, false, num_elem, t_mode, eval_mode, u, v));
95   return CEED_ERROR_SUCCESS;
96 }
97 
98 static int CeedBasisApplyAdd_Hip(CeedBasis basis, const CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode eval_mode, CeedVector u,
99                                  CeedVector v) {
100   CeedCallBackend(CeedBasisApplyCore_Hip(basis, true, num_elem, t_mode, eval_mode, u, v));
101   return CEED_ERROR_SUCCESS;
102 }
103 
104 //------------------------------------------------------------------------------
105 // Basis apply - tensor AtPoints
106 //------------------------------------------------------------------------------
107 static int CeedBasisApplyAtPointsCore_Hip(CeedBasis basis, bool apply_add, const CeedInt num_elem, const CeedInt *num_points,
108                                           CeedTransposeMode t_mode, CeedEvalMode eval_mode, CeedVector x_ref, CeedVector u, CeedVector v) {
109   Ceed              ceed;
110   CeedInt           Q_1d, dim, max_num_points = num_points[0];
111   const CeedInt     is_transpose   = t_mode == CEED_TRANSPOSE;
112   const int         max_block_size = 32;
113   const CeedScalar *d_x, *d_u;
114   CeedScalar       *d_v;
115   CeedBasis_Hip    *data;
116 
117   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
118   CeedCallBackend(CeedBasisGetData(basis, &data));
119   CeedCallBackend(CeedBasisGetNumQuadraturePoints1D(basis, &Q_1d));
120   CeedCallBackend(CeedBasisGetDimension(basis, &dim));
121 
122   // Weight handled separately
123   if (eval_mode == CEED_EVAL_WEIGHT) {
124     CeedCallBackend(CeedVectorSetValue(v, 1.0));
125     return CEED_ERROR_SUCCESS;
126   }
127 
128   // Check padded to uniform number of points per elem
129   for (CeedInt i = 1; i < num_elem; i++) max_num_points = CeedIntMax(max_num_points, num_points[i]);
130   {
131     CeedInt  num_comp, q_comp;
132     CeedSize len, len_required;
133 
134     CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
135     CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, eval_mode, &q_comp));
136     CeedCallBackend(CeedVectorGetLength(is_transpose ? u : v, &len));
137     len_required = (CeedSize)num_comp * (CeedSize)q_comp * (CeedSize)num_elem * (CeedSize)max_num_points;
138     CeedCheck(len >= len_required, ceed, CEED_ERROR_BACKEND,
139               "Vector at points must be padded to the same number of points in each element for BasisApplyAtPoints on GPU backends."
140               " Found %" CeedSize_FMT ", Required %" CeedSize_FMT,
141               len, len_required);
142   }
143 
144   // Move num_points array to device
145   if (is_transpose) {
146     const CeedInt num_bytes = num_elem * sizeof(CeedInt);
147 
148     if (num_elem != data->num_elem_at_points) {
149       data->num_elem_at_points = num_elem;
150 
151       if (data->d_points_per_elem) CeedCallHip(ceed, hipFree(data->d_points_per_elem));
152       CeedCallHip(ceed, hipMalloc((void **)&data->d_points_per_elem, num_bytes));
153       CeedCallBackend(CeedFree(&data->h_points_per_elem));
154       CeedCallBackend(CeedCalloc(num_elem, &data->h_points_per_elem));
155     }
156     if (memcmp(data->h_points_per_elem, num_points, num_bytes)) {
157       memcpy(data->h_points_per_elem, num_points, num_bytes);
158       CeedCallHip(ceed, hipMemcpy(data->d_points_per_elem, num_points, num_bytes, hipMemcpyHostToDevice));
159     }
160   }
161 
162   // Build kernels if needed
163   if (data->num_points != max_num_points) {
164     CeedInt P_1d;
165 
166     CeedCallBackend(CeedBasisGetNumNodes1D(basis, &P_1d));
167     data->num_points = max_num_points;
168 
169     // -- Create interp matrix to Chebyshev coefficients
170     if (!data->d_chebyshev_interp_1d) {
171       CeedSize    interp_bytes;
172       CeedScalar *chebyshev_interp_1d;
173 
174       interp_bytes = P_1d * Q_1d * sizeof(CeedScalar);
175       CeedCallBackend(CeedCalloc(P_1d * Q_1d, &chebyshev_interp_1d));
176       CeedCallBackend(CeedBasisGetChebyshevInterp1D(basis, chebyshev_interp_1d));
177       CeedCallHip(ceed, hipMalloc((void **)&data->d_chebyshev_interp_1d, interp_bytes));
178       CeedCallHip(ceed, hipMemcpy(data->d_chebyshev_interp_1d, chebyshev_interp_1d, interp_bytes, hipMemcpyHostToDevice));
179       CeedCallBackend(CeedFree(&chebyshev_interp_1d));
180     }
181 
182     // -- Compile kernels
183     char       *basis_kernel_source;
184     const char *basis_kernel_path;
185     CeedInt     num_comp;
186 
187     if (data->moduleAtPoints) CeedCallHip(ceed, hipModuleUnload(data->moduleAtPoints));
188     CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
189     CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-tensor-at-points.h", &basis_kernel_path));
190     CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
191     CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
192     CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
193     CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->moduleAtPoints, 9, "BASIS_Q_1D", Q_1d, "BASIS_P_1D", P_1d, "BASIS_BUF_LEN",
194                                     Q_1d * CeedIntPow(Q_1d > P_1d ? Q_1d : P_1d, dim - 1), "BASIS_DIM", dim, "BASIS_NUM_COMP", num_comp,
195                                     "BASIS_NUM_NODES", CeedIntPow(P_1d, dim), "BASIS_NUM_QPTS", CeedIntPow(Q_1d, dim), "BASIS_NUM_PTS",
196                                     max_num_points, "POINTS_BUFF_LEN", CeedIntPow(Q_1d, dim - 1)));
197     CeedCallBackend(CeedGetKernel_Hip(ceed, data->moduleAtPoints, "InterpAtPoints", &data->InterpAtPoints));
198     CeedCallBackend(CeedGetKernel_Hip(ceed, data->moduleAtPoints, "GradAtPoints", &data->GradAtPoints));
199     CeedCallBackend(CeedFree(&basis_kernel_path));
200     CeedCallBackend(CeedFree(&basis_kernel_source));
201   }
202 
203   // Get read/write access to u, v
204   CeedCallBackend(CeedVectorGetArrayRead(x_ref, CEED_MEM_DEVICE, &d_x));
205   if (u != CEED_VECTOR_NONE) CeedCallBackend(CeedVectorGetArrayRead(u, CEED_MEM_DEVICE, &d_u));
206   else CeedCheck(eval_mode == CEED_EVAL_WEIGHT, ceed, CEED_ERROR_BACKEND, "An input vector is required for this CeedEvalMode");
207   if (apply_add) CeedCallBackend(CeedVectorGetArray(v, CEED_MEM_DEVICE, &d_v));
208   else CeedCallBackend(CeedVectorGetArrayWrite(v, CEED_MEM_DEVICE, &d_v));
209 
210   // Clear v for transpose operation
211   if (is_transpose && !apply_add) {
212     CeedInt  num_comp, q_comp, num_nodes;
213     CeedSize length;
214 
215     CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
216     CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, eval_mode, &q_comp));
217     CeedCallBackend(CeedBasisGetNumNodes(basis, &num_nodes));
218     length =
219         (CeedSize)num_elem * (CeedSize)num_comp * (t_mode == CEED_TRANSPOSE ? (CeedSize)num_nodes : ((CeedSize)max_num_points * (CeedSize)q_comp));
220     CeedCallHip(ceed, hipMemset(d_v, 0, length * sizeof(CeedScalar)));
221   }
222 
223   // Basis action
224   switch (eval_mode) {
225     case CEED_EVAL_INTERP: {
226       void *interp_args[]      = {(void *)&num_elem, (void *)&is_transpose, &data->d_chebyshev_interp_1d, &data->d_points_per_elem, &d_x, &d_u, &d_v};
227       const CeedInt block_size = CeedIntMin(CeedIntPow(Q_1d, dim), max_block_size);
228 
229       CeedCallBackend(CeedRunKernel_Hip(ceed, data->InterpAtPoints, num_elem, block_size, interp_args));
230     } break;
231     case CEED_EVAL_GRAD: {
232       void *grad_args[]        = {(void *)&num_elem, (void *)&is_transpose, &data->d_chebyshev_interp_1d, &data->d_points_per_elem, &d_x, &d_u, &d_v};
233       const CeedInt block_size = CeedIntMin(CeedIntPow(Q_1d, dim), max_block_size);
234 
235       CeedCallBackend(CeedRunKernel_Hip(ceed, data->GradAtPoints, num_elem, block_size, grad_args));
236     } break;
237     case CEED_EVAL_WEIGHT:
238     case CEED_EVAL_NONE: /* handled separately below */
239       break;
240     // LCOV_EXCL_START
241     case CEED_EVAL_DIV:
242     case CEED_EVAL_CURL:
243       return CeedError(ceed, CEED_ERROR_BACKEND, "%s not supported", CeedEvalModes[eval_mode]);
244       // LCOV_EXCL_STOP
245   }
246 
247   // Restore vectors, cover CEED_EVAL_NONE
248   CeedCallBackend(CeedVectorRestoreArrayRead(x_ref, &d_x));
249   CeedCallBackend(CeedVectorRestoreArray(v, &d_v));
250   if (eval_mode == CEED_EVAL_NONE) CeedCallBackend(CeedVectorSetArray(v, CEED_MEM_DEVICE, CEED_COPY_VALUES, (CeedScalar *)d_u));
251   if (eval_mode != CEED_EVAL_WEIGHT) CeedCallBackend(CeedVectorRestoreArrayRead(u, &d_u));
252   return CEED_ERROR_SUCCESS;
253 }
254 
255 static int CeedBasisApplyAtPoints_Hip(CeedBasis basis, const CeedInt num_elem, const CeedInt *num_points, CeedTransposeMode t_mode,
256                                       CeedEvalMode eval_mode, CeedVector x_ref, CeedVector u, CeedVector v) {
257   CeedCallBackend(CeedBasisApplyAtPointsCore_Hip(basis, false, num_elem, num_points, t_mode, eval_mode, x_ref, u, v));
258   return CEED_ERROR_SUCCESS;
259 }
260 
261 static int CeedBasisApplyAddAtPoints_Hip(CeedBasis basis, const CeedInt num_elem, const CeedInt *num_points, CeedTransposeMode t_mode,
262                                          CeedEvalMode eval_mode, CeedVector x_ref, CeedVector u, CeedVector v) {
263   CeedCallBackend(CeedBasisApplyAtPointsCore_Hip(basis, true, num_elem, num_points, t_mode, eval_mode, x_ref, u, v));
264   return CEED_ERROR_SUCCESS;
265 }
266 
267 //------------------------------------------------------------------------------
268 // Basis apply - non-tensor
269 //------------------------------------------------------------------------------
270 static int CeedBasisApplyNonTensorCore_Hip(CeedBasis basis, bool apply_add, const CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode eval_mode,
271                                            CeedVector u, CeedVector v) {
272   Ceed                    ceed;
273   CeedInt                 num_nodes, num_qpts;
274   const CeedInt           is_transpose    = t_mode == CEED_TRANSPOSE;
275   const int               elems_per_block = 1;
276   const int               grid            = CeedDivUpInt(num_elem, elems_per_block);
277   const CeedScalar       *d_u;
278   CeedScalar             *d_v;
279   CeedBasisNonTensor_Hip *data;
280 
281   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
282   CeedCallBackend(CeedBasisGetData(basis, &data));
283   CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis, &num_qpts));
284   CeedCallBackend(CeedBasisGetNumNodes(basis, &num_nodes));
285 
286   // Get read/write access to u, v
287   if (u != CEED_VECTOR_NONE) CeedCallBackend(CeedVectorGetArrayRead(u, CEED_MEM_DEVICE, &d_u));
288   else CeedCheck(eval_mode == CEED_EVAL_WEIGHT, ceed, CEED_ERROR_BACKEND, "An input vector is required for this CeedEvalMode");
289   if (apply_add) CeedCallBackend(CeedVectorGetArray(v, CEED_MEM_DEVICE, &d_v));
290   else CeedCallBackend(CeedVectorGetArrayWrite(v, CEED_MEM_DEVICE, &d_v));
291 
292   // Clear v for transpose operation
293   if (is_transpose && !apply_add) {
294     CeedSize length;
295 
296     CeedCallBackend(CeedVectorGetLength(v, &length));
297     CeedCallHip(ceed, hipMemset(d_v, 0, length * sizeof(CeedScalar)));
298   }
299 
300   // Apply basis operation
301   switch (eval_mode) {
302     case CEED_EVAL_INTERP: {
303       void     *interp_args[] = {(void *)&num_elem, &data->d_interp, &d_u, &d_v};
304       const int block_size_x  = is_transpose ? num_nodes : num_qpts;
305 
306       if (is_transpose) {
307         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->InterpTranspose, grid, block_size_x, 1, elems_per_block, interp_args));
308       } else {
309         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Interp, grid, block_size_x, 1, elems_per_block, interp_args));
310       }
311     } break;
312     case CEED_EVAL_GRAD: {
313       void     *grad_args[]  = {(void *)&num_elem, &data->d_grad, &d_u, &d_v};
314       const int block_size_x = is_transpose ? num_nodes : num_qpts;
315 
316       if (is_transpose) {
317         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->DerivTranspose, grid, block_size_x, 1, elems_per_block, grad_args));
318       } else {
319         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Deriv, grid, block_size_x, 1, elems_per_block, grad_args));
320       }
321     } break;
322     case CEED_EVAL_DIV: {
323       void     *div_args[]   = {(void *)&num_elem, &data->d_div, &d_u, &d_v};
324       const int block_size_x = is_transpose ? num_nodes : num_qpts;
325 
326       if (is_transpose) {
327         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->DerivTranspose, grid, block_size_x, 1, elems_per_block, div_args));
328       } else {
329         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Deriv, grid, block_size_x, 1, elems_per_block, div_args));
330       }
331     } break;
332     case CEED_EVAL_CURL: {
333       void     *curl_args[]  = {(void *)&num_elem, &data->d_curl, &d_u, &d_v};
334       const int block_size_x = is_transpose ? num_nodes : num_qpts;
335 
336       if (is_transpose) {
337         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->DerivTranspose, grid, block_size_x, 1, elems_per_block, curl_args));
338       } else {
339         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Deriv, grid, block_size_x, 1, elems_per_block, curl_args));
340       }
341     } break;
342     case CEED_EVAL_WEIGHT: {
343       CeedCheck(data->d_q_weight, ceed, CEED_ERROR_BACKEND, "%s not supported; q_weights not set", CeedEvalModes[eval_mode]);
344       void *weight_args[] = {(void *)&num_elem, (void *)&data->d_q_weight, &d_v};
345 
346       CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Weight, grid, num_qpts, 1, elems_per_block, weight_args));
347     } break;
348     case CEED_EVAL_NONE: /* handled separately below */
349       break;
350   }
351 
352   // Restore vectors, cover CEED_EVAL_NONE
353   CeedCallBackend(CeedVectorRestoreArray(v, &d_v));
354   if (eval_mode == CEED_EVAL_NONE) CeedCallBackend(CeedVectorSetArray(v, CEED_MEM_DEVICE, CEED_COPY_VALUES, (CeedScalar *)d_u));
355   if (eval_mode != CEED_EVAL_WEIGHT) CeedCallBackend(CeedVectorRestoreArrayRead(u, &d_u));
356   return CEED_ERROR_SUCCESS;
357 }
358 
359 static int CeedBasisApplyNonTensor_Hip(CeedBasis basis, const CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode eval_mode, CeedVector u,
360                                        CeedVector v) {
361   CeedCallBackend(CeedBasisApplyNonTensorCore_Hip(basis, false, num_elem, t_mode, eval_mode, u, v));
362   return CEED_ERROR_SUCCESS;
363 }
364 
365 static int CeedBasisApplyAddNonTensor_Hip(CeedBasis basis, const CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode eval_mode, CeedVector u,
366                                           CeedVector v) {
367   CeedCallBackend(CeedBasisApplyNonTensorCore_Hip(basis, true, num_elem, t_mode, eval_mode, u, v));
368   return CEED_ERROR_SUCCESS;
369 }
370 
371 //------------------------------------------------------------------------------
372 // Destroy tensor basis
373 //------------------------------------------------------------------------------
374 static int CeedBasisDestroy_Hip(CeedBasis basis) {
375   Ceed           ceed;
376   CeedBasis_Hip *data;
377 
378   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
379   CeedCallBackend(CeedBasisGetData(basis, &data));
380   CeedCallHip(ceed, hipModuleUnload(data->module));
381   if (data->moduleAtPoints) CeedCallHip(ceed, hipModuleUnload(data->moduleAtPoints));
382   if (data->d_q_weight_1d) CeedCallHip(ceed, hipFree(data->d_q_weight_1d));
383   CeedCallBackend(CeedFree(&data->h_points_per_elem));
384   if (data->d_points_per_elem) CeedCallHip(ceed, hipFree(data->d_points_per_elem));
385   CeedCallHip(ceed, hipFree(data->d_interp_1d));
386   CeedCallHip(ceed, hipFree(data->d_grad_1d));
387   CeedCallHip(ceed, hipFree(data->d_chebyshev_interp_1d));
388   CeedCallBackend(CeedFree(&data));
389   return CEED_ERROR_SUCCESS;
390 }
391 
392 //------------------------------------------------------------------------------
393 // Destroy non-tensor basis
394 //------------------------------------------------------------------------------
395 static int CeedBasisDestroyNonTensor_Hip(CeedBasis basis) {
396   Ceed                    ceed;
397   CeedBasisNonTensor_Hip *data;
398 
399   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
400   CeedCallBackend(CeedBasisGetData(basis, &data));
401   CeedCallHip(ceed, hipModuleUnload(data->module));
402   if (data->d_q_weight) CeedCallHip(ceed, hipFree(data->d_q_weight));
403   CeedCallHip(ceed, hipFree(data->d_interp));
404   CeedCallHip(ceed, hipFree(data->d_grad));
405   CeedCallHip(ceed, hipFree(data->d_div));
406   CeedCallHip(ceed, hipFree(data->d_curl));
407   CeedCallBackend(CeedFree(&data));
408   return CEED_ERROR_SUCCESS;
409 }
410 
411 //------------------------------------------------------------------------------
412 // Create tensor
413 //------------------------------------------------------------------------------
414 int CeedBasisCreateTensorH1_Hip(CeedInt dim, CeedInt P_1d, CeedInt Q_1d, const CeedScalar *interp_1d, const CeedScalar *grad_1d,
415                                 const CeedScalar *q_ref_1d, const CeedScalar *q_weight_1d, CeedBasis basis) {
416   Ceed           ceed;
417   char          *basis_kernel_source;
418   const char    *basis_kernel_path;
419   CeedInt        num_comp;
420   const CeedInt  q_bytes      = Q_1d * sizeof(CeedScalar);
421   const CeedInt  interp_bytes = q_bytes * P_1d;
422   CeedBasis_Hip *data;
423 
424   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
425   CeedCallBackend(CeedCalloc(1, &data));
426 
427   // Copy data to GPU
428   if (q_weight_1d) {
429     CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight_1d, q_bytes));
430     CeedCallHip(ceed, hipMemcpy(data->d_q_weight_1d, q_weight_1d, q_bytes, hipMemcpyHostToDevice));
431   }
432   CeedCallHip(ceed, hipMalloc((void **)&data->d_interp_1d, interp_bytes));
433   CeedCallHip(ceed, hipMemcpy(data->d_interp_1d, interp_1d, interp_bytes, hipMemcpyHostToDevice));
434   CeedCallHip(ceed, hipMalloc((void **)&data->d_grad_1d, interp_bytes));
435   CeedCallHip(ceed, hipMemcpy(data->d_grad_1d, grad_1d, interp_bytes, hipMemcpyHostToDevice));
436 
437   // Compile basis kernels
438   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
439   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-tensor.h", &basis_kernel_path));
440   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
441   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
442   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
443   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 7, "BASIS_Q_1D", Q_1d, "BASIS_P_1D", P_1d, "BASIS_BUF_LEN",
444                                   Q_1d * CeedIntPow(Q_1d > P_1d ? Q_1d : P_1d, dim - 1), "BASIS_DIM", dim, "BASIS_NUM_COMP", num_comp,
445                                   "BASIS_NUM_NODES", CeedIntPow(P_1d, dim), "BASIS_NUM_QPTS", CeedIntPow(Q_1d, dim)));
446   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
447   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Grad", &data->Grad));
448   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
449   CeedCallBackend(CeedFree(&basis_kernel_path));
450   CeedCallBackend(CeedFree(&basis_kernel_source));
451 
452   CeedCallBackend(CeedBasisSetData(basis, data));
453 
454   // Register backend functions
455   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApply_Hip));
456   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "ApplyAdd", CeedBasisApplyAdd_Hip));
457   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "ApplyAtPoints", CeedBasisApplyAtPoints_Hip));
458   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "ApplyAddAtPoints", CeedBasisApplyAddAtPoints_Hip));
459   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroy_Hip));
460   return CEED_ERROR_SUCCESS;
461 }
462 
463 //------------------------------------------------------------------------------
464 // Create non-tensor H^1
465 //------------------------------------------------------------------------------
466 int CeedBasisCreateH1_Hip(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp, const CeedScalar *grad,
467                           const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) {
468   Ceed                    ceed;
469   char                   *basis_kernel_source;
470   const char             *basis_kernel_path;
471   CeedInt                 num_comp, q_comp_interp, q_comp_grad;
472   const CeedInt           q_bytes = num_qpts * sizeof(CeedScalar);
473   CeedBasisNonTensor_Hip *data;
474 
475   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
476   CeedCallBackend(CeedCalloc(1, &data));
477 
478   // Copy basis data to GPU
479   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp));
480   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_GRAD, &q_comp_grad));
481   if (q_weight) {
482     CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight, q_bytes));
483     CeedCallHip(ceed, hipMemcpy(data->d_q_weight, q_weight, q_bytes, hipMemcpyHostToDevice));
484   }
485   if (interp) {
486     const CeedInt interp_bytes = q_bytes * num_nodes * q_comp_interp;
487 
488     CeedCallHip(ceed, hipMalloc((void **)&data->d_interp, interp_bytes));
489     CeedCallHip(ceed, hipMemcpy(data->d_interp, interp, interp_bytes, hipMemcpyHostToDevice));
490   }
491   if (grad) {
492     const CeedInt grad_bytes = q_bytes * num_nodes * q_comp_grad;
493 
494     CeedCallHip(ceed, hipMalloc((void **)&data->d_grad, grad_bytes));
495     CeedCallHip(ceed, hipMemcpy(data->d_grad, grad, grad_bytes, hipMemcpyHostToDevice));
496   }
497 
498   // Compile basis kernels
499   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
500   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-nontensor.h", &basis_kernel_path));
501   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
502   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
503   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
504   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 5, "BASIS_Q", num_qpts, "BASIS_P", num_nodes, "BASIS_Q_COMP_INTERP",
505                                   q_comp_interp, "BASIS_Q_COMP_DERIV", q_comp_grad, "BASIS_NUM_COMP", num_comp));
506   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
507   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "InterpTranspose", &data->InterpTranspose));
508   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Deriv", &data->Deriv));
509   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "DerivTranspose", &data->DerivTranspose));
510   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
511   CeedCallBackend(CeedFree(&basis_kernel_path));
512   CeedCallBackend(CeedFree(&basis_kernel_source));
513 
514   CeedCallBackend(CeedBasisSetData(basis, data));
515 
516   // Register backend functions
517   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Hip));
518   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "ApplyAdd", CeedBasisApplyAddNonTensor_Hip));
519   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Hip));
520   return CEED_ERROR_SUCCESS;
521 }
522 
523 //------------------------------------------------------------------------------
524 // Create non-tensor H(div)
525 //------------------------------------------------------------------------------
526 int CeedBasisCreateHdiv_Hip(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp, const CeedScalar *div,
527                             const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) {
528   Ceed                    ceed;
529   char                   *basis_kernel_source;
530   const char             *basis_kernel_path;
531   CeedInt                 num_comp, q_comp_interp, q_comp_div;
532   const CeedInt           q_bytes = num_qpts * sizeof(CeedScalar);
533   CeedBasisNonTensor_Hip *data;
534 
535   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
536   CeedCallBackend(CeedCalloc(1, &data));
537 
538   // Copy basis data to GPU
539   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp));
540   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_DIV, &q_comp_div));
541   if (q_weight) {
542     CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight, q_bytes));
543     CeedCallHip(ceed, hipMemcpy(data->d_q_weight, q_weight, q_bytes, hipMemcpyHostToDevice));
544   }
545   if (interp) {
546     const CeedInt interp_bytes = q_bytes * num_nodes * q_comp_interp;
547 
548     CeedCallHip(ceed, hipMalloc((void **)&data->d_interp, interp_bytes));
549     CeedCallHip(ceed, hipMemcpy(data->d_interp, interp, interp_bytes, hipMemcpyHostToDevice));
550   }
551   if (div) {
552     const CeedInt div_bytes = q_bytes * num_nodes * q_comp_div;
553 
554     CeedCallHip(ceed, hipMalloc((void **)&data->d_div, div_bytes));
555     CeedCallHip(ceed, hipMemcpy(data->d_div, div, div_bytes, hipMemcpyHostToDevice));
556   }
557 
558   // Compile basis kernels
559   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
560   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-nontensor.h", &basis_kernel_path));
561   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
562   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
563   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
564   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 5, "BASIS_Q", num_qpts, "BASIS_P", num_nodes, "BASIS_Q_COMP_INTERP",
565                                   q_comp_interp, "BASIS_Q_COMP_DERIV", q_comp_div, "BASIS_NUM_COMP", num_comp));
566   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
567   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "InterpTranspose", &data->InterpTranspose));
568   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Deriv", &data->Deriv));
569   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "DerivTranspose", &data->DerivTranspose));
570   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
571   CeedCallBackend(CeedFree(&basis_kernel_path));
572   CeedCallBackend(CeedFree(&basis_kernel_source));
573 
574   CeedCallBackend(CeedBasisSetData(basis, data));
575 
576   // Register backend functions
577   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Hip));
578   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "ApplyAdd", CeedBasisApplyAddNonTensor_Hip));
579   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Hip));
580   return CEED_ERROR_SUCCESS;
581 }
582 
583 //------------------------------------------------------------------------------
584 // Create non-tensor H(curl)
585 //------------------------------------------------------------------------------
586 int CeedBasisCreateHcurl_Hip(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp,
587                              const CeedScalar *curl, const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) {
588   Ceed                    ceed;
589   char                   *basis_kernel_source;
590   const char             *basis_kernel_path;
591   CeedInt                 num_comp, q_comp_interp, q_comp_curl;
592   const CeedInt           q_bytes = num_qpts * sizeof(CeedScalar);
593   CeedBasisNonTensor_Hip *data;
594 
595   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
596   CeedCallBackend(CeedCalloc(1, &data));
597 
598   // Copy basis data to GPU
599   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp));
600   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_CURL, &q_comp_curl));
601   if (q_weight) {
602     CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight, q_bytes));
603     CeedCallHip(ceed, hipMemcpy(data->d_q_weight, q_weight, q_bytes, hipMemcpyHostToDevice));
604   }
605   if (interp) {
606     const CeedInt interp_bytes = q_bytes * num_nodes * q_comp_interp;
607 
608     CeedCallHip(ceed, hipMalloc((void **)&data->d_interp, interp_bytes));
609     CeedCallHip(ceed, hipMemcpy(data->d_interp, interp, interp_bytes, hipMemcpyHostToDevice));
610   }
611   if (curl) {
612     const CeedInt curl_bytes = q_bytes * num_nodes * q_comp_curl;
613 
614     CeedCallHip(ceed, hipMalloc((void **)&data->d_curl, curl_bytes));
615     CeedCallHip(ceed, hipMemcpy(data->d_curl, curl, curl_bytes, hipMemcpyHostToDevice));
616   }
617 
618   // Compile basis kernels
619   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
620   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-nontensor.h", &basis_kernel_path));
621   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
622   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
623   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
624   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 5, "BASIS_Q", num_qpts, "BASIS_P", num_nodes, "BASIS_Q_COMP_INTERP",
625                                   q_comp_interp, "BASIS_Q_COMP_DERIV", q_comp_curl, "BASIS_NUM_COMP", num_comp));
626   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
627   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "InterpTranspose", &data->InterpTranspose));
628   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Deriv", &data->Deriv));
629   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "DerivTranspose", &data->DerivTranspose));
630   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
631   CeedCallBackend(CeedFree(&basis_kernel_path));
632   CeedCallBackend(CeedFree(&basis_kernel_source));
633 
634   CeedCallBackend(CeedBasisSetData(basis, data));
635 
636   // Register backend functions
637   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Hip));
638   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "ApplyAdd", CeedBasisApplyAddNonTensor_Hip));
639   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Hip));
640   return CEED_ERROR_SUCCESS;
641 }
642 
643 //------------------------------------------------------------------------------
644