xref: /libCEED/backends/hip-ref/ceed-hip-ref-basis.c (revision e910d748a62f7dc72f5d92cab9c4573e9fb2a9a0)
1 // Copyright (c) 2017-2022, 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 <hip/hip_runtime.h>
12 
13 #include "../hip/ceed-hip-common.h"
14 #include "../hip/ceed-hip-compile.h"
15 #include "ceed-hip-ref.h"
16 
17 //------------------------------------------------------------------------------
18 // Basis apply - tensor
19 //------------------------------------------------------------------------------
20 int CeedBasisApply_Hip(CeedBasis basis, const CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode eval_mode, CeedVector u, CeedVector v) {
21   Ceed              ceed;
22   CeedInt           Q_1d, dim;
23   const CeedInt     transpose      = t_mode == CEED_TRANSPOSE;
24   const int         max_block_size = 64;
25   const CeedScalar *d_u;
26   CeedScalar       *d_v;
27   CeedBasis_Hip    *data;
28 
29   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
30   CeedCallBackend(CeedBasisGetData(basis, &data));
31 
32   // Read vectors
33   if (u != CEED_VECTOR_NONE) CeedCallBackend(CeedVectorGetArrayRead(u, CEED_MEM_DEVICE, &d_u));
34   else CeedCheck(eval_mode == CEED_EVAL_WEIGHT, ceed, CEED_ERROR_BACKEND, "An input vector is required for this CeedEvalMode");
35   CeedCallBackend(CeedVectorGetArrayWrite(v, CEED_MEM_DEVICE, &d_v));
36 
37   // Clear v for transpose operation
38   if (transpose) {
39     CeedSize length;
40 
41     CeedCallBackend(CeedVectorGetLength(v, &length));
42     CeedCallHip(ceed, hipMemset(d_v, 0, length * sizeof(CeedScalar)));
43   }
44   CeedCallBackend(CeedBasisGetNumQuadraturePoints1D(basis, &Q_1d));
45   CeedCallBackend(CeedBasisGetDimension(basis, &dim));
46 
47   // Basis action
48   switch (eval_mode) {
49     case CEED_EVAL_INTERP: {
50       void         *interp_args[] = {(void *)&num_elem, (void *)&transpose, &data->d_interp_1d, &d_u, &d_v};
51       const CeedInt block_size    = CeedIntMin(CeedIntPow(Q_1d, dim), max_block_size);
52 
53       CeedCallBackend(CeedRunKernel_Hip(ceed, data->Interp, num_elem, block_size, interp_args));
54     } break;
55     case CEED_EVAL_GRAD: {
56       void         *grad_args[] = {(void *)&num_elem, (void *)&transpose, &data->d_interp_1d, &data->d_grad_1d, &d_u, &d_v};
57       const CeedInt block_size  = max_block_size;
58 
59       CeedCallBackend(CeedRunKernel_Hip(ceed, data->Grad, num_elem, block_size, grad_args));
60     } break;
61     case CEED_EVAL_WEIGHT: {
62       void     *weight_args[] = {(void *)&num_elem, (void *)&data->d_q_weight_1d, &d_v};
63       const int block_size_x  = Q_1d;
64       const int block_size_y  = dim >= 2 ? Q_1d : 1;
65 
66       CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Weight, num_elem, block_size_x, block_size_y, 1, weight_args));
67     } break;
68     // LCOV_EXCL_START
69     // Evaluate the divergence to/from the quadrature points
70     case CEED_EVAL_DIV:
71       return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_DIV not supported");
72     // Evaluate the curl to/from the quadrature points
73     case CEED_EVAL_CURL:
74       return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_CURL not supported");
75     // Take no action, BasisApply should not have been called
76     case CEED_EVAL_NONE:
77       return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_NONE does not make sense in this context");
78       // LCOV_EXCL_STOP
79   }
80 
81   // Restore vectors
82   if (eval_mode != CEED_EVAL_WEIGHT) {
83     CeedCallBackend(CeedVectorRestoreArrayRead(u, &d_u));
84   }
85   CeedCallBackend(CeedVectorRestoreArray(v, &d_v));
86   return CEED_ERROR_SUCCESS;
87 }
88 
89 //------------------------------------------------------------------------------
90 // Basis apply - non-tensor
91 //------------------------------------------------------------------------------
92 int CeedBasisApplyNonTensor_Hip(CeedBasis basis, const CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode eval_mode, CeedVector u,
93                                 CeedVector v) {
94   Ceed                    ceed;
95   CeedInt                 num_nodes, num_qpts;
96   const CeedInt           transpose       = t_mode == CEED_TRANSPOSE;
97   const int               elems_per_block = 1;
98   const int               grid            = CeedDivUpInt(num_elem, elems_per_block);
99   const CeedScalar       *d_u;
100   CeedScalar             *d_v;
101   CeedBasisNonTensor_Hip *data;
102 
103   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
104   CeedCallBackend(CeedBasisGetData(basis, &data));
105   CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis, &num_qpts));
106   CeedCallBackend(CeedBasisGetNumNodes(basis, &num_nodes));
107 
108   // Read vectors
109   if (eval_mode != CEED_EVAL_WEIGHT) {
110     CeedCallBackend(CeedVectorGetArrayRead(u, CEED_MEM_DEVICE, &d_u));
111   }
112   CeedCallBackend(CeedVectorGetArrayWrite(v, CEED_MEM_DEVICE, &d_v));
113 
114   // Clear v for transpose operation
115   if (transpose) {
116     CeedSize length;
117 
118     CeedCallBackend(CeedVectorGetLength(v, &length));
119     CeedCallHip(ceed, hipMemset(d_v, 0, length * sizeof(CeedScalar)));
120   }
121 
122   // Apply basis operation
123   switch (eval_mode) {
124     case CEED_EVAL_INTERP: {
125       void     *interp_args[] = {(void *)&num_elem, &data->d_interp, &d_u, &d_v};
126       const int block_size_x  = transpose ? num_nodes : num_qpts;
127 
128       if (transpose) {
129         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->InterpTranspose, grid, block_size_x, 1, elems_per_block, interp_args));
130       } else {
131         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Interp, grid, block_size_x, 1, elems_per_block, interp_args));
132       }
133     } break;
134     case CEED_EVAL_GRAD: {
135       void     *grad_args[]  = {(void *)&num_elem, &data->d_grad, &d_u, &d_v};
136       const int block_size_x = transpose ? num_nodes : num_qpts;
137 
138       if (transpose) {
139         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->DerivTranspose, grid, block_size_x, 1, elems_per_block, grad_args));
140       } else {
141         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Deriv, grid, block_size_x, 1, elems_per_block, grad_args));
142       }
143     } break;
144     case CEED_EVAL_DIV: {
145       void     *div_args[]   = {(void *)&num_elem, &data->d_div, &d_u, &d_v};
146       const int block_size_x = transpose ? num_nodes : num_qpts;
147 
148       if (transpose) {
149         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->DerivTranspose, grid, block_size_x, 1, elems_per_block, div_args));
150       } else {
151         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Deriv, grid, block_size_x, 1, elems_per_block, div_args));
152       }
153     } break;
154     case CEED_EVAL_CURL: {
155       void     *curl_args[]  = {(void *)&num_elem, &data->d_curl, &d_u, &d_v};
156       const int block_size_x = transpose ? num_nodes : num_qpts;
157 
158       if (transpose) {
159         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->DerivTranspose, grid, block_size_x, 1, elems_per_block, curl_args));
160       } else {
161         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Deriv, grid, block_size_x, 1, elems_per_block, curl_args));
162       }
163     } break;
164     case CEED_EVAL_WEIGHT: {
165       void *weight_args[] = {(void *)&num_elem, (void *)&data->d_q_weight, &d_v};
166 
167       CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Weight, grid, num_qpts, 1, elems_per_block, weight_args));
168     } break;
169     // LCOV_EXCL_START
170     // Take no action, BasisApply should not have been called
171     case CEED_EVAL_NONE:
172       return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_NONE does not make sense in this context");
173       // LCOV_EXCL_STOP
174   }
175 
176   // Restore vectors
177   if (eval_mode != CEED_EVAL_WEIGHT) {
178     CeedCallBackend(CeedVectorRestoreArrayRead(u, &d_u));
179   }
180   CeedCallBackend(CeedVectorRestoreArray(v, &d_v));
181   return CEED_ERROR_SUCCESS;
182 }
183 
184 //------------------------------------------------------------------------------
185 // Destroy tensor basis
186 //------------------------------------------------------------------------------
187 static int CeedBasisDestroy_Hip(CeedBasis basis) {
188   Ceed           ceed;
189   CeedBasis_Hip *data;
190 
191   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
192   CeedCallBackend(CeedBasisGetData(basis, &data));
193   CeedCallHip(ceed, hipModuleUnload(data->module));
194   CeedCallHip(ceed, hipFree(data->d_q_weight_1d));
195   CeedCallHip(ceed, hipFree(data->d_interp_1d));
196   CeedCallHip(ceed, hipFree(data->d_grad_1d));
197   CeedCallBackend(CeedFree(&data));
198   return CEED_ERROR_SUCCESS;
199 }
200 
201 //------------------------------------------------------------------------------
202 // Destroy non-tensor basis
203 //------------------------------------------------------------------------------
204 static int CeedBasisDestroyNonTensor_Hip(CeedBasis basis) {
205   Ceed                    ceed;
206   CeedBasisNonTensor_Hip *data;
207 
208   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
209   CeedCallBackend(CeedBasisGetData(basis, &data));
210   CeedCallHip(ceed, hipModuleUnload(data->module));
211   CeedCallHip(ceed, hipFree(data->d_q_weight));
212   CeedCallHip(ceed, hipFree(data->d_interp));
213   CeedCallHip(ceed, hipFree(data->d_grad));
214   CeedCallHip(ceed, hipFree(data->d_div));
215   CeedCallHip(ceed, hipFree(data->d_curl));
216   CeedCallBackend(CeedFree(&data));
217   return CEED_ERROR_SUCCESS;
218 }
219 
220 //------------------------------------------------------------------------------
221 // Create tensor
222 //------------------------------------------------------------------------------
223 int CeedBasisCreateTensorH1_Hip(CeedInt dim, CeedInt P_1d, CeedInt Q_1d, const CeedScalar *interp_1d, const CeedScalar *grad_1d,
224                                 const CeedScalar *q_ref_1d, const CeedScalar *q_weight_1d, CeedBasis basis) {
225   Ceed           ceed;
226   char          *basis_kernel_path, *basis_kernel_source;
227   CeedInt        num_comp;
228   const CeedInt  q_bytes      = Q_1d * sizeof(CeedScalar);
229   const CeedInt  interp_bytes = q_bytes * P_1d;
230   CeedBasis_Hip *data;
231 
232   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
233   CeedCallBackend(CeedCalloc(1, &data));
234 
235   // Copy data to GPU
236   CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight_1d, q_bytes));
237   CeedCallHip(ceed, hipMemcpy(data->d_q_weight_1d, q_weight_1d, q_bytes, hipMemcpyHostToDevice));
238   CeedCallHip(ceed, hipMalloc((void **)&data->d_interp_1d, interp_bytes));
239   CeedCallHip(ceed, hipMemcpy(data->d_interp_1d, interp_1d, interp_bytes, hipMemcpyHostToDevice));
240   CeedCallHip(ceed, hipMalloc((void **)&data->d_grad_1d, interp_bytes));
241   CeedCallHip(ceed, hipMemcpy(data->d_grad_1d, grad_1d, interp_bytes, hipMemcpyHostToDevice));
242 
243   // Compile basis kernels
244   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
245   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-tensor.h", &basis_kernel_path));
246   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
247   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
248   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
249   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 7, "BASIS_Q_1D", Q_1d, "BASIS_P_1D", P_1d, "BASIS_BUF_LEN",
250                                   num_comp * CeedIntPow(Q_1d > P_1d ? Q_1d : P_1d, dim), "BASIS_DIM", dim, "BASIS_NUM_COMP", num_comp,
251                                   "BASIS_NUM_NODES", CeedIntPow(P_1d, dim), "BASIS_NUM_QPTS", CeedIntPow(Q_1d, dim)));
252   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
253   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Grad", &data->Grad));
254   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
255   CeedCallBackend(CeedFree(&basis_kernel_path));
256   CeedCallBackend(CeedFree(&basis_kernel_source));
257 
258   CeedCallBackend(CeedBasisSetData(basis, data));
259 
260   // Register backend functions
261   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApply_Hip));
262   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroy_Hip));
263   return CEED_ERROR_SUCCESS;
264 }
265 
266 //------------------------------------------------------------------------------
267 // Create non-tensor H^1
268 //------------------------------------------------------------------------------
269 int CeedBasisCreateH1_Hip(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp, const CeedScalar *grad,
270                           const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) {
271   Ceed                    ceed;
272   char                   *basis_kernel_path, *basis_kernel_source;
273   CeedInt                 num_comp, q_comp_interp, q_comp_grad;
274   const CeedInt           q_bytes = num_qpts * sizeof(CeedScalar);
275   CeedBasisNonTensor_Hip *data;
276 
277   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
278   CeedCallBackend(CeedCalloc(1, &data));
279 
280   // Copy basis data to GPU
281   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp));
282   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_GRAD, &q_comp_grad));
283   CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight, q_bytes));
284   CeedCallHip(ceed, hipMemcpy(data->d_q_weight, q_weight, q_bytes, hipMemcpyHostToDevice));
285   if (interp) {
286     const CeedInt interp_bytes = q_bytes * num_nodes * q_comp_interp;
287 
288     CeedCallHip(ceed, hipMalloc((void **)&data->d_interp, interp_bytes));
289     CeedCallHip(ceed, hipMemcpy(data->d_interp, interp, interp_bytes, hipMemcpyHostToDevice));
290   }
291   if (grad) {
292     const CeedInt grad_bytes = q_bytes * num_nodes * q_comp_grad;
293 
294     CeedCallHip(ceed, hipMalloc((void **)&data->d_grad, grad_bytes));
295     CeedCallHip(ceed, hipMemcpy(data->d_grad, grad, grad_bytes, hipMemcpyHostToDevice));
296   }
297 
298   // Compile basis kernels
299   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
300   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-nontensor.h", &basis_kernel_path));
301   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
302   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
303   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
304   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 5, "BASIS_Q", num_qpts, "BASIS_P", num_nodes, "BASIS_Q_COMP_INTERP",
305                                   q_comp_interp, "BASIS_Q_COMP_DERIV", q_comp_grad, "BASIS_NUM_COMP", num_comp));
306   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
307   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "InterpTranspose", &data->InterpTranspose));
308   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Deriv", &data->Deriv));
309   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "DerivTranspose", &data->DerivTranspose));
310   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
311   CeedCallBackend(CeedFree(&basis_kernel_path));
312   CeedCallBackend(CeedFree(&basis_kernel_source));
313 
314   CeedCallBackend(CeedBasisSetData(basis, data));
315 
316   // Register backend functions
317   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Hip));
318   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Hip));
319   return CEED_ERROR_SUCCESS;
320 }
321 
322 //------------------------------------------------------------------------------
323 // Create non-tensor H(div)
324 //------------------------------------------------------------------------------
325 int CeedBasisCreateHdiv_Hip(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp, const CeedScalar *div,
326                             const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) {
327   Ceed                    ceed;
328   char                   *basis_kernel_path, *basis_kernel_source;
329   CeedInt                 num_comp, q_comp_interp, q_comp_div;
330   const CeedInt           q_bytes = num_qpts * sizeof(CeedScalar);
331   CeedBasisNonTensor_Hip *data;
332 
333   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
334   CeedCallBackend(CeedCalloc(1, &data));
335 
336   // Copy basis data to GPU
337   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp));
338   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_DIV, &q_comp_div));
339   CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight, q_bytes));
340   CeedCallHip(ceed, hipMemcpy(data->d_q_weight, q_weight, q_bytes, hipMemcpyHostToDevice));
341   if (interp) {
342     const CeedInt interp_bytes = q_bytes * num_nodes * q_comp_interp;
343 
344     CeedCallHip(ceed, hipMalloc((void **)&data->d_interp, interp_bytes));
345     CeedCallHip(ceed, hipMemcpy(data->d_interp, interp, interp_bytes, hipMemcpyHostToDevice));
346   }
347   if (div) {
348     const CeedInt div_bytes = q_bytes * num_nodes * q_comp_div;
349 
350     CeedCallHip(ceed, hipMalloc((void **)&data->d_div, div_bytes));
351     CeedCallHip(ceed, hipMemcpy(data->d_div, div, div_bytes, hipMemcpyHostToDevice));
352   }
353 
354   // Compile basis kernels
355   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
356   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-nontensor.h", &basis_kernel_path));
357   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
358   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
359   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
360   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 5, "BASIS_Q", num_qpts, "BASIS_P", num_nodes, "BASIS_Q_COMP_INTERP",
361                                   q_comp_interp, "BASIS_Q_COMP_DERIV", q_comp_div, "BASIS_NUM_COMP", num_comp));
362   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
363   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "InterpTranspose", &data->InterpTranspose));
364   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Deriv", &data->Deriv));
365   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "DerivTranspose", &data->DerivTranspose));
366   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
367   CeedCallBackend(CeedFree(&basis_kernel_path));
368   CeedCallBackend(CeedFree(&basis_kernel_source));
369 
370   CeedCallBackend(CeedBasisSetData(basis, data));
371 
372   // Register backend functions
373   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Hip));
374   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Hip));
375   return CEED_ERROR_SUCCESS;
376 }
377 
378 //------------------------------------------------------------------------------
379 // Create non-tensor H(curl)
380 //------------------------------------------------------------------------------
381 int CeedBasisCreateHcurl_Hip(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp,
382                              const CeedScalar *curl, const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) {
383   Ceed                    ceed;
384   char                   *basis_kernel_path, *basis_kernel_source;
385   CeedInt                 num_comp, q_comp_interp, q_comp_curl;
386   const CeedInt           q_bytes = num_qpts * sizeof(CeedScalar);
387   CeedBasisNonTensor_Hip *data;
388 
389   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
390   CeedCallBackend(CeedCalloc(1, &data));
391 
392   // Copy basis data to GPU
393   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp));
394   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_CURL, &q_comp_curl));
395   CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight, q_bytes));
396   CeedCallHip(ceed, hipMemcpy(data->d_q_weight, q_weight, q_bytes, hipMemcpyHostToDevice));
397   if (interp) {
398     const CeedInt interp_bytes = q_bytes * num_nodes * q_comp_interp;
399 
400     CeedCallHip(ceed, hipMalloc((void **)&data->d_interp, interp_bytes));
401     CeedCallHip(ceed, hipMemcpy(data->d_interp, interp, interp_bytes, hipMemcpyHostToDevice));
402   }
403   if (curl) {
404     const CeedInt curl_bytes = q_bytes * num_nodes * q_comp_curl;
405 
406     CeedCallHip(ceed, hipMalloc((void **)&data->d_curl, curl_bytes));
407     CeedCallHip(ceed, hipMemcpy(data->d_curl, curl, curl_bytes, hipMemcpyHostToDevice));
408   }
409 
410   // Compile basis kernels
411   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
412   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-nontensor.h", &basis_kernel_path));
413   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
414   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
415   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
416   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 5, "BASIS_Q", num_qpts, "BASIS_P", num_nodes, "BASIS_Q_COMP_INTERP",
417                                   q_comp_interp, "BASIS_Q_COMP_DERIV", q_comp_curl, "BASIS_NUM_COMP", num_comp));
418   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
419   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "InterpTranspose", &data->InterpTranspose));
420   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Deriv", &data->Deriv));
421   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "DerivTranspose", &data->DerivTranspose));
422   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
423   CeedCallBackend(CeedFree(&basis_kernel_path));
424   CeedCallBackend(CeedFree(&basis_kernel_source));
425 
426   CeedCallBackend(CeedBasisSetData(basis, data));
427 
428   // Register backend functions
429   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Hip));
430   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Hip));
431   return CEED_ERROR_SUCCESS;
432 }
433 
434 //------------------------------------------------------------------------------
435