xref: /libCEED/backends/hip-ref/ceed-hip-ref-basis.c (revision bcbe1c99be4be6e5341a66695d3b47170158a1bf)
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     case CEED_EVAL_DIV:
70     case CEED_EVAL_CURL:
71       return CeedError(ceed, CEED_ERROR_BACKEND, "%s not supported", CeedEvalModes[eval_mode]);
72     case CEED_EVAL_NONE:
73       return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_NONE does not make sense in this context");
74       // LCOV_EXCL_STOP
75   }
76 
77   // Restore vectors
78   if (eval_mode != CEED_EVAL_WEIGHT) {
79     CeedCallBackend(CeedVectorRestoreArrayRead(u, &d_u));
80   }
81   CeedCallBackend(CeedVectorRestoreArray(v, &d_v));
82   return CEED_ERROR_SUCCESS;
83 }
84 
85 //------------------------------------------------------------------------------
86 // Basis apply - non-tensor
87 //------------------------------------------------------------------------------
88 int CeedBasisApplyNonTensor_Hip(CeedBasis basis, const CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode eval_mode, CeedVector u,
89                                 CeedVector v) {
90   Ceed                    ceed;
91   CeedInt                 num_nodes, num_qpts;
92   const CeedInt           transpose       = t_mode == CEED_TRANSPOSE;
93   const int               elems_per_block = 1;
94   const int               grid            = CeedDivUpInt(num_elem, elems_per_block);
95   const CeedScalar       *d_u;
96   CeedScalar             *d_v;
97   CeedBasisNonTensor_Hip *data;
98 
99   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
100   CeedCallBackend(CeedBasisGetData(basis, &data));
101   CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis, &num_qpts));
102   CeedCallBackend(CeedBasisGetNumNodes(basis, &num_nodes));
103 
104   // Read vectors
105   if (eval_mode != CEED_EVAL_WEIGHT) {
106     CeedCallBackend(CeedVectorGetArrayRead(u, CEED_MEM_DEVICE, &d_u));
107   }
108   CeedCallBackend(CeedVectorGetArrayWrite(v, CEED_MEM_DEVICE, &d_v));
109 
110   // Clear v for transpose operation
111   if (transpose) {
112     CeedSize length;
113 
114     CeedCallBackend(CeedVectorGetLength(v, &length));
115     CeedCallHip(ceed, hipMemset(d_v, 0, length * sizeof(CeedScalar)));
116   }
117 
118   // Apply basis operation
119   switch (eval_mode) {
120     case CEED_EVAL_INTERP: {
121       void     *interp_args[] = {(void *)&num_elem, &data->d_interp, &d_u, &d_v};
122       const int block_size_x  = transpose ? num_nodes : num_qpts;
123 
124       if (transpose) {
125         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->InterpTranspose, grid, block_size_x, 1, elems_per_block, interp_args));
126       } else {
127         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Interp, grid, block_size_x, 1, elems_per_block, interp_args));
128       }
129     } break;
130     case CEED_EVAL_GRAD: {
131       void     *grad_args[]  = {(void *)&num_elem, &data->d_grad, &d_u, &d_v};
132       const int block_size_x = transpose ? num_nodes : num_qpts;
133 
134       if (transpose) {
135         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->DerivTranspose, grid, block_size_x, 1, elems_per_block, grad_args));
136       } else {
137         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Deriv, grid, block_size_x, 1, elems_per_block, grad_args));
138       }
139     } break;
140     case CEED_EVAL_DIV: {
141       void     *div_args[]   = {(void *)&num_elem, &data->d_div, &d_u, &d_v};
142       const int block_size_x = transpose ? num_nodes : num_qpts;
143 
144       if (transpose) {
145         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->DerivTranspose, grid, block_size_x, 1, elems_per_block, div_args));
146       } else {
147         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Deriv, grid, block_size_x, 1, elems_per_block, div_args));
148       }
149     } break;
150     case CEED_EVAL_CURL: {
151       void     *curl_args[]  = {(void *)&num_elem, &data->d_curl, &d_u, &d_v};
152       const int block_size_x = transpose ? num_nodes : num_qpts;
153 
154       if (transpose) {
155         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->DerivTranspose, grid, block_size_x, 1, elems_per_block, curl_args));
156       } else {
157         CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Deriv, grid, block_size_x, 1, elems_per_block, curl_args));
158       }
159     } break;
160     case CEED_EVAL_WEIGHT: {
161       void *weight_args[] = {(void *)&num_elem, (void *)&data->d_q_weight, &d_v};
162 
163       CeedCallBackend(CeedRunKernelDim_Hip(ceed, data->Weight, grid, num_qpts, 1, elems_per_block, weight_args));
164     } break;
165     // LCOV_EXCL_START
166     case CEED_EVAL_NONE:
167       return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_NONE does not make sense in this context");
168       // LCOV_EXCL_STOP
169   }
170 
171   // Restore vectors
172   if (eval_mode != CEED_EVAL_WEIGHT) {
173     CeedCallBackend(CeedVectorRestoreArrayRead(u, &d_u));
174   }
175   CeedCallBackend(CeedVectorRestoreArray(v, &d_v));
176   return CEED_ERROR_SUCCESS;
177 }
178 
179 //------------------------------------------------------------------------------
180 // Destroy tensor basis
181 //------------------------------------------------------------------------------
182 static int CeedBasisDestroy_Hip(CeedBasis basis) {
183   Ceed           ceed;
184   CeedBasis_Hip *data;
185 
186   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
187   CeedCallBackend(CeedBasisGetData(basis, &data));
188   CeedCallHip(ceed, hipModuleUnload(data->module));
189   CeedCallHip(ceed, hipFree(data->d_q_weight_1d));
190   CeedCallHip(ceed, hipFree(data->d_interp_1d));
191   CeedCallHip(ceed, hipFree(data->d_grad_1d));
192   CeedCallBackend(CeedFree(&data));
193   return CEED_ERROR_SUCCESS;
194 }
195 
196 //------------------------------------------------------------------------------
197 // Destroy non-tensor basis
198 //------------------------------------------------------------------------------
199 static int CeedBasisDestroyNonTensor_Hip(CeedBasis basis) {
200   Ceed                    ceed;
201   CeedBasisNonTensor_Hip *data;
202 
203   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
204   CeedCallBackend(CeedBasisGetData(basis, &data));
205   CeedCallHip(ceed, hipModuleUnload(data->module));
206   CeedCallHip(ceed, hipFree(data->d_q_weight));
207   CeedCallHip(ceed, hipFree(data->d_interp));
208   CeedCallHip(ceed, hipFree(data->d_grad));
209   CeedCallHip(ceed, hipFree(data->d_div));
210   CeedCallHip(ceed, hipFree(data->d_curl));
211   CeedCallBackend(CeedFree(&data));
212   return CEED_ERROR_SUCCESS;
213 }
214 
215 //------------------------------------------------------------------------------
216 // Create tensor
217 //------------------------------------------------------------------------------
218 int CeedBasisCreateTensorH1_Hip(CeedInt dim, CeedInt P_1d, CeedInt Q_1d, const CeedScalar *interp_1d, const CeedScalar *grad_1d,
219                                 const CeedScalar *q_ref_1d, const CeedScalar *q_weight_1d, CeedBasis basis) {
220   Ceed           ceed;
221   char          *basis_kernel_path, *basis_kernel_source;
222   CeedInt        num_comp;
223   const CeedInt  q_bytes      = Q_1d * sizeof(CeedScalar);
224   const CeedInt  interp_bytes = q_bytes * P_1d;
225   CeedBasis_Hip *data;
226 
227   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
228   CeedCallBackend(CeedCalloc(1, &data));
229 
230   // Copy data to GPU
231   CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight_1d, q_bytes));
232   CeedCallHip(ceed, hipMemcpy(data->d_q_weight_1d, q_weight_1d, q_bytes, hipMemcpyHostToDevice));
233   CeedCallHip(ceed, hipMalloc((void **)&data->d_interp_1d, interp_bytes));
234   CeedCallHip(ceed, hipMemcpy(data->d_interp_1d, interp_1d, interp_bytes, hipMemcpyHostToDevice));
235   CeedCallHip(ceed, hipMalloc((void **)&data->d_grad_1d, interp_bytes));
236   CeedCallHip(ceed, hipMemcpy(data->d_grad_1d, grad_1d, interp_bytes, hipMemcpyHostToDevice));
237 
238   // Compile basis kernels
239   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
240   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-tensor.h", &basis_kernel_path));
241   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
242   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
243   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
244   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 7, "BASIS_Q_1D", Q_1d, "BASIS_P_1D", P_1d, "BASIS_BUF_LEN",
245                                   num_comp * CeedIntPow(Q_1d > P_1d ? Q_1d : P_1d, dim), "BASIS_DIM", dim, "BASIS_NUM_COMP", num_comp,
246                                   "BASIS_NUM_NODES", CeedIntPow(P_1d, dim), "BASIS_NUM_QPTS", CeedIntPow(Q_1d, dim)));
247   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
248   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Grad", &data->Grad));
249   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
250   CeedCallBackend(CeedFree(&basis_kernel_path));
251   CeedCallBackend(CeedFree(&basis_kernel_source));
252 
253   CeedCallBackend(CeedBasisSetData(basis, data));
254 
255   // Register backend functions
256   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApply_Hip));
257   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroy_Hip));
258   return CEED_ERROR_SUCCESS;
259 }
260 
261 //------------------------------------------------------------------------------
262 // Create non-tensor H^1
263 //------------------------------------------------------------------------------
264 int CeedBasisCreateH1_Hip(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp, const CeedScalar *grad,
265                           const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) {
266   Ceed                    ceed;
267   char                   *basis_kernel_path, *basis_kernel_source;
268   CeedInt                 num_comp, q_comp_interp, q_comp_grad;
269   const CeedInt           q_bytes = num_qpts * sizeof(CeedScalar);
270   CeedBasisNonTensor_Hip *data;
271 
272   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
273   CeedCallBackend(CeedCalloc(1, &data));
274 
275   // Copy basis data to GPU
276   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp));
277   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_GRAD, &q_comp_grad));
278   CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight, q_bytes));
279   CeedCallHip(ceed, hipMemcpy(data->d_q_weight, q_weight, q_bytes, hipMemcpyHostToDevice));
280   if (interp) {
281     const CeedInt interp_bytes = q_bytes * num_nodes * q_comp_interp;
282 
283     CeedCallHip(ceed, hipMalloc((void **)&data->d_interp, interp_bytes));
284     CeedCallHip(ceed, hipMemcpy(data->d_interp, interp, interp_bytes, hipMemcpyHostToDevice));
285   }
286   if (grad) {
287     const CeedInt grad_bytes = q_bytes * num_nodes * q_comp_grad;
288 
289     CeedCallHip(ceed, hipMalloc((void **)&data->d_grad, grad_bytes));
290     CeedCallHip(ceed, hipMemcpy(data->d_grad, grad, grad_bytes, hipMemcpyHostToDevice));
291   }
292 
293   // Compile basis kernels
294   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
295   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-nontensor.h", &basis_kernel_path));
296   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
297   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
298   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
299   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 5, "BASIS_Q", num_qpts, "BASIS_P", num_nodes, "BASIS_Q_COMP_INTERP",
300                                   q_comp_interp, "BASIS_Q_COMP_DERIV", q_comp_grad, "BASIS_NUM_COMP", num_comp));
301   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
302   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "InterpTranspose", &data->InterpTranspose));
303   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Deriv", &data->Deriv));
304   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "DerivTranspose", &data->DerivTranspose));
305   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
306   CeedCallBackend(CeedFree(&basis_kernel_path));
307   CeedCallBackend(CeedFree(&basis_kernel_source));
308 
309   CeedCallBackend(CeedBasisSetData(basis, data));
310 
311   // Register backend functions
312   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Hip));
313   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Hip));
314   return CEED_ERROR_SUCCESS;
315 }
316 
317 //------------------------------------------------------------------------------
318 // Create non-tensor H(div)
319 //------------------------------------------------------------------------------
320 int CeedBasisCreateHdiv_Hip(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp, const CeedScalar *div,
321                             const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) {
322   Ceed                    ceed;
323   char                   *basis_kernel_path, *basis_kernel_source;
324   CeedInt                 num_comp, q_comp_interp, q_comp_div;
325   const CeedInt           q_bytes = num_qpts * sizeof(CeedScalar);
326   CeedBasisNonTensor_Hip *data;
327 
328   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
329   CeedCallBackend(CeedCalloc(1, &data));
330 
331   // Copy basis data to GPU
332   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp));
333   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_DIV, &q_comp_div));
334   CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight, q_bytes));
335   CeedCallHip(ceed, hipMemcpy(data->d_q_weight, q_weight, q_bytes, hipMemcpyHostToDevice));
336   if (interp) {
337     const CeedInt interp_bytes = q_bytes * num_nodes * q_comp_interp;
338 
339     CeedCallHip(ceed, hipMalloc((void **)&data->d_interp, interp_bytes));
340     CeedCallHip(ceed, hipMemcpy(data->d_interp, interp, interp_bytes, hipMemcpyHostToDevice));
341   }
342   if (div) {
343     const CeedInt div_bytes = q_bytes * num_nodes * q_comp_div;
344 
345     CeedCallHip(ceed, hipMalloc((void **)&data->d_div, div_bytes));
346     CeedCallHip(ceed, hipMemcpy(data->d_div, div, div_bytes, hipMemcpyHostToDevice));
347   }
348 
349   // Compile basis kernels
350   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
351   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-nontensor.h", &basis_kernel_path));
352   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
353   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
354   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
355   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 5, "BASIS_Q", num_qpts, "BASIS_P", num_nodes, "BASIS_Q_COMP_INTERP",
356                                   q_comp_interp, "BASIS_Q_COMP_DERIV", q_comp_div, "BASIS_NUM_COMP", num_comp));
357   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
358   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "InterpTranspose", &data->InterpTranspose));
359   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Deriv", &data->Deriv));
360   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "DerivTranspose", &data->DerivTranspose));
361   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
362   CeedCallBackend(CeedFree(&basis_kernel_path));
363   CeedCallBackend(CeedFree(&basis_kernel_source));
364 
365   CeedCallBackend(CeedBasisSetData(basis, data));
366 
367   // Register backend functions
368   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Hip));
369   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Hip));
370   return CEED_ERROR_SUCCESS;
371 }
372 
373 //------------------------------------------------------------------------------
374 // Create non-tensor H(curl)
375 //------------------------------------------------------------------------------
376 int CeedBasisCreateHcurl_Hip(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp,
377                              const CeedScalar *curl, const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) {
378   Ceed                    ceed;
379   char                   *basis_kernel_path, *basis_kernel_source;
380   CeedInt                 num_comp, q_comp_interp, q_comp_curl;
381   const CeedInt           q_bytes = num_qpts * sizeof(CeedScalar);
382   CeedBasisNonTensor_Hip *data;
383 
384   CeedCallBackend(CeedBasisGetCeed(basis, &ceed));
385   CeedCallBackend(CeedCalloc(1, &data));
386 
387   // Copy basis data to GPU
388   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp));
389   CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_CURL, &q_comp_curl));
390   CeedCallHip(ceed, hipMalloc((void **)&data->d_q_weight, q_bytes));
391   CeedCallHip(ceed, hipMemcpy(data->d_q_weight, q_weight, q_bytes, hipMemcpyHostToDevice));
392   if (interp) {
393     const CeedInt interp_bytes = q_bytes * num_nodes * q_comp_interp;
394 
395     CeedCallHip(ceed, hipMalloc((void **)&data->d_interp, interp_bytes));
396     CeedCallHip(ceed, hipMemcpy(data->d_interp, interp, interp_bytes, hipMemcpyHostToDevice));
397   }
398   if (curl) {
399     const CeedInt curl_bytes = q_bytes * num_nodes * q_comp_curl;
400 
401     CeedCallHip(ceed, hipMalloc((void **)&data->d_curl, curl_bytes));
402     CeedCallHip(ceed, hipMemcpy(data->d_curl, curl, curl_bytes, hipMemcpyHostToDevice));
403   }
404 
405   // Compile basis kernels
406   CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp));
407   CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/hip/hip-ref-basis-nontensor.h", &basis_kernel_path));
408   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n");
409   CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source));
410   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n");
411   CeedCallBackend(CeedCompile_Hip(ceed, basis_kernel_source, &data->module, 5, "BASIS_Q", num_qpts, "BASIS_P", num_nodes, "BASIS_Q_COMP_INTERP",
412                                   q_comp_interp, "BASIS_Q_COMP_DERIV", q_comp_curl, "BASIS_NUM_COMP", num_comp));
413   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Interp", &data->Interp));
414   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "InterpTranspose", &data->InterpTranspose));
415   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Deriv", &data->Deriv));
416   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "DerivTranspose", &data->DerivTranspose));
417   CeedCallBackend(CeedGetKernel_Hip(ceed, data->module, "Weight", &data->Weight));
418   CeedCallBackend(CeedFree(&basis_kernel_path));
419   CeedCallBackend(CeedFree(&basis_kernel_source));
420 
421   CeedCallBackend(CeedBasisSetData(basis, data));
422 
423   // Register backend functions
424   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Hip));
425   CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Hip));
426   return CEED_ERROR_SUCCESS;
427 }
428 
429 //------------------------------------------------------------------------------
430