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 <string.h> 12 13 #ifdef CEED_MAGMA_USE_HIP 14 #include "../hip/ceed-hip-common.h" 15 #include "../hip/ceed-hip-compile.h" 16 #else 17 #include "../cuda/ceed-cuda-common.h" 18 #include "../cuda/ceed-cuda-compile.h" 19 #endif 20 #include "ceed-magma-common.h" 21 #include "ceed-magma.h" 22 23 #include "ceed-magma-gemm-nontensor.h" 24 #include "ceed-magma-gemm-selector.h" 25 26 //------------------------------------------------------------------------------ 27 // Basis apply - tensor 28 //------------------------------------------------------------------------------ 29 static int CeedBasisApply_Magma(CeedBasis basis, CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode e_mode, CeedVector u, CeedVector v) { 30 Ceed ceed; 31 Ceed_Magma *data; 32 CeedInt dim, num_comp, num_nodes, P_1d, Q_1d, P, Q; 33 const CeedScalar *d_u; 34 CeedScalar *d_v; 35 CeedBasis_Magma *impl; 36 37 CeedCallBackend(CeedBasisGetCeed(basis, &ceed)); 38 CeedCallBackend(CeedGetData(ceed, &data)); 39 CeedCallBackend(CeedBasisGetData(basis, &impl)); 40 CeedCallBackend(CeedBasisGetDimension(basis, &dim)); 41 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 42 CeedCallBackend(CeedBasisGetNumNodes(basis, &num_nodes)); 43 CeedCallBackend(CeedBasisGetNumNodes1D(basis, &P_1d)); 44 CeedCallBackend(CeedBasisGetNumQuadraturePoints1D(basis, &Q_1d)); 45 P = P_1d; 46 Q = Q_1d; 47 if (t_mode == CEED_TRANSPOSE) { 48 P = Q_1d; 49 Q = P_1d; 50 } 51 52 // Read vectors 53 if (u != CEED_VECTOR_NONE) CeedCallBackend(CeedVectorGetArrayRead(u, CEED_MEM_DEVICE, &d_u)); 54 else CeedCheck(e_mode == CEED_EVAL_WEIGHT, ceed, CEED_ERROR_BACKEND, "An input vector is required for this CeedEvalMode"); 55 CeedCallBackend(CeedVectorGetArrayWrite(v, CEED_MEM_DEVICE, &d_v)); 56 57 // Apply basis operation 58 switch (e_mode) { 59 case CEED_EVAL_INTERP: { 60 // Define element sizes for dofs/quad 61 CeedInt elem_qpts_size = CeedIntPow(Q_1d, dim); 62 CeedInt elem_dofs_size = CeedIntPow(P_1d, dim); 63 64 // E-vector ordering -------------- Q-vector ordering 65 // component component 66 // elem elem 67 // node node 68 69 // --- Define strides for NOTRANSPOSE mode: --- 70 // Input (d_u) is E-vector, output (d_v) is Q-vector 71 72 // Element strides 73 CeedInt u_elem_stride = elem_dofs_size; 74 CeedInt v_elem_stride = elem_qpts_size; 75 // Component strides 76 CeedInt u_comp_stride = num_elem * elem_dofs_size; 77 CeedInt v_comp_stride = num_elem * elem_qpts_size; 78 if (t_mode == CEED_TRANSPOSE) { 79 // Input (d_u) is Q-vector, output (d_v) is E-vector 80 // Element strides 81 v_elem_stride = elem_dofs_size; 82 u_elem_stride = elem_qpts_size; 83 // Component strides 84 v_comp_stride = num_elem * elem_dofs_size; 85 u_comp_stride = num_elem * elem_qpts_size; 86 } 87 CeedInt num_threads = 1; 88 CeedInt num_t_col = 1; 89 CeedInt shared_mem = 0; 90 CeedInt max_P_Q = CeedIntMax(P, Q); 91 92 switch (dim) { 93 case 1: 94 num_threads = max_P_Q; 95 num_t_col = MAGMA_BASIS_NTCOL(num_threads, MAGMA_MAXTHREADS_1D); 96 shared_mem += sizeof(CeedScalar) * num_t_col * (num_comp * (1 * P + 1 * Q)); 97 shared_mem += sizeof(CeedScalar) * (P * Q); 98 break; 99 case 2: 100 num_threads = max_P_Q; 101 num_t_col = MAGMA_BASIS_NTCOL(num_threads, MAGMA_MAXTHREADS_2D); 102 shared_mem += P * Q * sizeof(CeedScalar); // for sT 103 // for reforming rU we need P x P, and for the intermediate output we need P x Q 104 shared_mem += num_t_col * (P * max_P_Q * sizeof(CeedScalar)); 105 break; 106 case 3: 107 num_threads = max_P_Q * max_P_Q; 108 num_t_col = MAGMA_BASIS_NTCOL(num_threads, MAGMA_MAXTHREADS_3D); 109 shared_mem += sizeof(CeedScalar) * (P * Q); // for sT 110 // rU needs P^2 x P, the intermediate output needs max(P^2 x Q, P x Q^2) 111 shared_mem += sizeof(CeedScalar) * num_t_col * (CeedIntMax(P * P * max_P_Q, P * Q * Q)); 112 break; 113 } 114 CeedInt grid = CeedDivUpInt(num_elem, num_t_col); 115 void *args[] = {&impl->d_interp_1d, &d_u, &u_elem_stride, &u_comp_stride, &d_v, &v_elem_stride, &v_comp_stride, &num_elem}; 116 117 if (t_mode == CEED_TRANSPOSE) { 118 CeedCallBackend(CeedRunKernelDimSharedMagma(ceed, impl->InterpTranspose, grid, num_threads, num_t_col, 1, shared_mem, args)); 119 } else { 120 CeedCallBackend(CeedRunKernelDimSharedMagma(ceed, impl->Interp, grid, num_threads, num_t_col, 1, shared_mem, args)); 121 } 122 } break; 123 case CEED_EVAL_GRAD: { 124 // Define element sizes for dofs/quad 125 CeedInt elem_qpts_size = CeedIntPow(Q_1d, dim); 126 CeedInt elem_dofs_size = CeedIntPow(P_1d, dim); 127 128 // In CEED_NOTRANSPOSE mode: 129 // d_u is (P^dim x nc), column-major layout (nc = num_comp) 130 // d_v is (Q^dim x nc x dim), column-major layout (nc = num_comp) 131 // In CEED_TRANSPOSE mode, the sizes of d_u and d_v are switched. 132 133 // E-vector ordering -------------- Q-vector ordering 134 // dim 135 // component component 136 // elem elem 137 // node node 138 139 // --- Define strides for NOTRANSPOSE mode: --- 140 // Input (d_u) is E-vector, output (d_v) is Q-vector 141 142 // Element strides 143 CeedInt u_elem_stride = elem_dofs_size; 144 CeedInt v_elem_stride = elem_qpts_size; 145 // Component strides 146 CeedInt u_comp_stride = num_elem * elem_dofs_size; 147 CeedInt v_comp_stride = num_elem * elem_qpts_size; 148 // Dimension strides 149 CeedInt u_dim_stride = 0; 150 CeedInt v_dim_stride = num_elem * elem_qpts_size * num_comp; 151 if (t_mode == CEED_TRANSPOSE) { 152 // Input (d_u) is Q-vector, output (d_v) is E-vector 153 // Element strides 154 v_elem_stride = elem_dofs_size; 155 u_elem_stride = elem_qpts_size; 156 // Component strides 157 v_comp_stride = num_elem * elem_dofs_size; 158 u_comp_stride = num_elem * elem_qpts_size; 159 // Dimension strides 160 v_dim_stride = 0; 161 u_dim_stride = num_elem * elem_qpts_size * num_comp; 162 } 163 CeedInt num_threads = 1; 164 CeedInt num_t_col = 1; 165 CeedInt shared_mem = 0; 166 CeedInt max_P_Q = CeedIntMax(P, Q); 167 168 switch (dim) { 169 case 1: 170 num_threads = max_P_Q; 171 num_t_col = MAGMA_BASIS_NTCOL(num_threads, MAGMA_MAXTHREADS_1D); 172 shared_mem += sizeof(CeedScalar) * num_t_col * (num_comp * (1 * P + 1 * Q)); 173 shared_mem += sizeof(CeedScalar) * (P * Q); 174 break; 175 case 2: 176 num_threads = max_P_Q; 177 num_t_col = MAGMA_BASIS_NTCOL(num_threads, MAGMA_MAXTHREADS_2D); 178 shared_mem += sizeof(CeedScalar) * 2 * P * Q; // for sTinterp and sTgrad 179 // for reforming rU we need P x P, and for the intermediate output we need P x Q 180 shared_mem += sizeof(CeedScalar) * num_t_col * (P * max_P_Q); 181 break; 182 case 3: 183 num_threads = max_P_Q * max_P_Q; 184 num_t_col = MAGMA_BASIS_NTCOL(num_threads, MAGMA_MAXTHREADS_3D); 185 shared_mem += sizeof(CeedScalar) * 2 * P * Q; // for sTinterp and sTgrad 186 // rU needs P^2 x P, the intermediate outputs need (P^2 x Q + P x Q^2) 187 shared_mem += sizeof(CeedScalar) * num_t_col * CeedIntMax(P * P * P, (P * P * Q) + (P * Q * Q)); 188 break; 189 } 190 CeedInt grid = CeedDivUpInt(num_elem, num_t_col); 191 void *args[] = {&impl->d_interp_1d, &impl->d_grad_1d, &d_u, &u_elem_stride, &u_comp_stride, &u_dim_stride, &d_v, 192 &v_elem_stride, &v_comp_stride, &v_dim_stride, &num_elem}; 193 194 if (t_mode == CEED_TRANSPOSE) { 195 CeedCallBackend(CeedRunKernelDimSharedMagma(ceed, impl->GradTranspose, grid, num_threads, num_t_col, 1, shared_mem, args)); 196 } else { 197 CeedCallBackend(CeedRunKernelDimSharedMagma(ceed, impl->Grad, grid, num_threads, num_t_col, 1, shared_mem, args)); 198 } 199 } break; 200 case CEED_EVAL_WEIGHT: { 201 CeedCheck(t_mode != CEED_TRANSPOSE, ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT incompatible with CEED_TRANSPOSE"); 202 CeedInt elem_dofs_size = CeedIntPow(Q, dim); 203 CeedInt num_threads = 1; 204 CeedInt num_t_col = 1; 205 CeedInt shared_mem = 0; 206 207 switch (dim) { 208 case 1: 209 num_threads = Q; 210 num_t_col = MAGMA_BASIS_NTCOL(num_threads, MAGMA_MAXTHREADS_1D); 211 shared_mem += sizeof(CeedScalar) * Q; // for d_q_weight_1d 212 shared_mem += sizeof(CeedScalar) * num_t_col * Q; // for output 213 break; 214 case 2: 215 num_threads = Q; 216 num_t_col = MAGMA_BASIS_NTCOL(num_threads, MAGMA_MAXTHREADS_2D); 217 shared_mem += sizeof(CeedScalar) * Q; // for d_q_weight_1d 218 break; 219 case 3: 220 num_threads = Q * Q; 221 num_t_col = MAGMA_BASIS_NTCOL(num_threads, MAGMA_MAXTHREADS_3D); 222 shared_mem += sizeof(CeedScalar) * Q; // for d_q_weight_1d 223 break; 224 } 225 CeedInt grid = CeedDivUpInt(num_elem, num_t_col); 226 void *args[] = {&impl->d_q_weight_1d, &d_v, &elem_dofs_size, &num_elem}; 227 228 CeedCallBackend(CeedRunKernelDimSharedMagma(ceed, impl->Weight, grid, num_threads, num_t_col, 1, shared_mem, args)); 229 } break; 230 // LCOV_EXCL_START 231 case CEED_EVAL_DIV: 232 case CEED_EVAL_CURL: 233 return CeedError(ceed, CEED_ERROR_BACKEND, "%s not supported", CeedEvalModes[e_mode]); 234 case CEED_EVAL_NONE: 235 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_NONE does not make sense in this context"); 236 // LCOV_EXCL_STOP 237 } 238 239 // Must sync to ensure completeness 240 ceed_magma_queue_sync(data->queue); 241 242 // Restore vectors 243 if (e_mode != CEED_EVAL_WEIGHT) { 244 CeedCallBackend(CeedVectorRestoreArrayRead(u, &d_u)); 245 } 246 CeedCallBackend(CeedVectorRestoreArray(v, &d_v)); 247 return CEED_ERROR_SUCCESS; 248 } 249 250 //------------------------------------------------------------------------------ 251 // Basis apply - non-tensor 252 //------------------------------------------------------------------------------ 253 static int CeedBasisApplyNonTensor_Magma(CeedBasis basis, CeedInt num_elem, CeedTransposeMode t_mode, CeedEvalMode e_mode, CeedVector u, 254 CeedVector v) { 255 Ceed ceed; 256 Ceed_Magma *data; 257 CeedInt num_comp, num_nodes, num_qpts, P, Q, N; 258 const CeedScalar *d_u; 259 CeedScalar *d_v; 260 CeedBasisNonTensor_Magma *impl; 261 262 CeedCallBackend(CeedBasisGetCeed(basis, &ceed)); 263 CeedCallBackend(CeedGetData(ceed, &data)); 264 CeedCallBackend(CeedBasisGetData(basis, &impl)); 265 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 266 CeedCallBackend(CeedBasisGetNumNodes(basis, &num_nodes)); 267 CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis, &num_qpts)); 268 P = num_nodes; 269 Q = num_qpts; 270 N = num_elem * num_comp; 271 272 // Read vectors 273 if (u != CEED_VECTOR_NONE) CeedCallBackend(CeedVectorGetArrayRead(u, CEED_MEM_DEVICE, &d_u)); 274 else CeedCheck(e_mode == CEED_EVAL_WEIGHT, ceed, CEED_ERROR_BACKEND, "An input vector is required for this CeedEvalMode"); 275 CeedCallBackend(CeedVectorGetArrayWrite(v, CEED_MEM_DEVICE, &d_v)); 276 277 // Compile kernels for N as needed 278 CeedInt iN = 0; 279 if (P <= MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_P && Q <= MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_Q && (e_mode != CEED_EVAL_WEIGHT || !impl->Weight)) { 280 CeedInt n_array[MAGMA_NONTENSOR_KERNEL_INSTANCES] = {MAGMA_NONTENSOR_KERNEL_N_VALUES}; 281 CeedInt diff = abs(n_array[iN] - N), idiff; 282 283 for (CeedInt in = iN + 1; in < MAGMA_NONTENSOR_KERNEL_INSTANCES; in++) { 284 idiff = abs(n_array[in] - N); 285 if (idiff < diff) { 286 iN = in; 287 diff = idiff; 288 } 289 } 290 291 if (!impl->NB_interp[iN]) { 292 CeedFESpace fe_space; 293 CeedInt q_comp_interp, q_comp_deriv; 294 Ceed ceed_delegate; 295 char *basis_kernel_path, *weight_kernel_path, *basis_kernel_source; 296 magma_int_t arch = magma_getdevice_arch(); 297 298 // Tuning parameters for NB 299 CeedCallBackend(CeedBasisGetFESpace(basis, &fe_space)); 300 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 301 switch (fe_space) { 302 case CEED_FE_SPACE_H1: 303 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_GRAD, &q_comp_deriv)); 304 break; 305 case CEED_FE_SPACE_HDIV: 306 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_DIV, &q_comp_deriv)); 307 break; 308 case CEED_FE_SPACE_HCURL: 309 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_CURL, &q_comp_deriv)); 310 break; 311 } 312 impl->NB_interp[iN] = nontensor_rtc_get_nb(arch, 'n', q_comp_interp, P, Q, n_array[iN]); 313 impl->NB_interp_t[iN] = nontensor_rtc_get_nb(arch, 't', q_comp_interp, P, Q, n_array[iN]); 314 impl->NB_deriv[iN] = nontensor_rtc_get_nb(arch, 'n', q_comp_deriv, P, Q, n_array[iN]); 315 impl->NB_deriv_t[iN] = nontensor_rtc_get_nb(arch, 't', q_comp_deriv, P, Q, n_array[iN]); 316 317 // The RTC compilation code expects a Ceed with the common Ceed_Cuda or Ceed_Hip data 318 CeedCallBackend(CeedGetDelegate(ceed, &ceed_delegate)); 319 320 // Compile kernels 321 CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/magma/magma-basis-interp-deriv-nontensor.h", &basis_kernel_path)); 322 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n"); 323 CeedCallBackend(CeedLoadSourceToBuffer(ceed, basis_kernel_path, &basis_kernel_source)); 324 if (!impl->Weight) { 325 CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/magma/magma-basis-weight-nontensor.h", &weight_kernel_path)); 326 CeedCallBackend(CeedLoadSourceToInitializedBuffer(ceed, weight_kernel_path, &basis_kernel_source)); 327 } 328 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n"); 329 CeedCallBackend(CeedCompileMagma(ceed_delegate, basis_kernel_source, &impl->module[iN], 8, "BASIS_Q_COMP_INTERP", q_comp_interp, 330 "BASIS_Q_COMP_DERIV", q_comp_deriv, "BASIS_P", P, "BASIS_Q", Q, "BASIS_NB_INTERP_N", impl->NB_interp[iN], 331 "BASIS_NB_INTERP_T", impl->NB_interp_t[iN], "BASIS_NB_DERIV_N", impl->NB_deriv[iN], "BASIS_NB_DERIV_T", 332 impl->NB_deriv_t[iN])); 333 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module[iN], "magma_interp_nontensor_n", &impl->Interp[iN])); 334 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module[iN], "magma_interp_nontensor_t", &impl->InterpTranspose[iN])); 335 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module[iN], "magma_deriv_nontensor_n", &impl->Deriv[iN])); 336 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module[iN], "magma_deriv_nontensor_t", &impl->DerivTranspose[iN])); 337 if (!impl->Weight) { 338 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module[iN], "magma_weight_nontensor", &impl->Weight)); 339 CeedCallBackend(CeedFree(&weight_kernel_path)); 340 } 341 CeedCallBackend(CeedFree(&basis_kernel_path)); 342 CeedCallBackend(CeedFree(&basis_kernel_source)); 343 } 344 } 345 346 // Apply basis operation 347 if (e_mode != CEED_EVAL_WEIGHT) { 348 const CeedScalar *d_b = NULL; 349 CeedInt q_comp, NB, M, K; 350 CeedMagmaFunction Kernel; 351 352 switch (e_mode) { 353 case CEED_EVAL_INTERP: 354 d_b = impl->d_interp; 355 break; 356 case CEED_EVAL_GRAD: 357 d_b = impl->d_grad; 358 break; 359 case CEED_EVAL_DIV: 360 d_b = impl->d_div; 361 break; 362 case CEED_EVAL_CURL: 363 d_b = impl->d_curl; 364 break; 365 // LCOV_EXCL_START 366 case CEED_EVAL_WEIGHT: 367 case CEED_EVAL_NONE: 368 return CeedError(ceed, CEED_ERROR_BACKEND, "%s does not make sense in this context", CeedEvalModes[e_mode]); 369 // LCOV_EXCL_STOP 370 } 371 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, e_mode, &q_comp)); 372 M = (t_mode == CEED_TRANSPOSE) ? P : Q, K = (t_mode == CEED_TRANSPOSE) ? Q : P; 373 374 if (P <= MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_P && Q <= MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_Q) { 375 if (e_mode == CEED_EVAL_INTERP) { 376 if (t_mode == CEED_TRANSPOSE) { 377 Kernel = impl->InterpTranspose[iN]; 378 NB = impl->NB_interp_t[iN]; 379 } else { 380 Kernel = impl->Interp[iN]; 381 NB = impl->NB_interp[iN]; 382 } 383 } else { 384 if (t_mode == CEED_TRANSPOSE) { 385 Kernel = impl->DerivTranspose[iN]; 386 NB = impl->NB_deriv_t[iN]; 387 } else { 388 Kernel = impl->Deriv[iN]; 389 NB = impl->NB_deriv[iN]; 390 } 391 } 392 CeedInt num_t_col = MAGMA_BASIS_NTCOL(M, MAGMA_MAXTHREADS_1D); 393 CeedInt grid = CeedDivUpInt(N, num_t_col * NB); 394 CeedInt shared_mem_A = P * Q * sizeof(CeedScalar); 395 CeedInt shared_mem_B = num_t_col * K * NB * sizeof(CeedScalar); 396 CeedInt shared_mem = (t_mode != CEED_TRANSPOSE && q_comp > 1) ? (shared_mem_A + shared_mem_B) : CeedIntMax(shared_mem_A, shared_mem_B); 397 void *args[] = {&N, &d_b, &d_u, &d_v}; 398 399 CeedCallBackend(CeedRunKernelDimSharedMagma(ceed, Kernel, grid, M, num_t_col, 1, shared_mem, args)); 400 } else { 401 for (CeedInt d = 0; d < q_comp; d++) { 402 if (t_mode == CEED_TRANSPOSE) { 403 const CeedScalar beta = (d > 0) ? 1.0 : 0.0; 404 magma_gemm_nontensor(MagmaNoTrans, MagmaNoTrans, P, N, Q, 1.0, d_b + d * P * Q, P, d_u + d * N * Q, Q, beta, d_v, P, data->queue); 405 } else { 406 magma_gemm_nontensor(MagmaTrans, MagmaNoTrans, Q, N, P, 1.0, d_b + d * P * Q, P, d_u, P, 0.0, d_v + d * N * Q, Q, data->queue); 407 } 408 } 409 } 410 } else { 411 CeedCheck(t_mode != CEED_TRANSPOSE, ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT incompatible with CEED_TRANSPOSE"); 412 CeedInt num_t_col = MAGMA_BASIS_NTCOL(Q, MAGMA_MAXTHREADS_1D); 413 CeedInt grid = CeedDivUpInt(num_elem, num_t_col); 414 CeedInt shared_mem = Q * sizeof(CeedScalar) + num_t_col * Q * sizeof(CeedScalar); 415 void *args[] = {&num_elem, &impl->d_q_weight, &d_v}; 416 417 CeedCallBackend(CeedRunKernelDimSharedMagma(ceed, impl->Weight, grid, Q, num_t_col, 1, shared_mem, args)); 418 } 419 420 // Must sync to ensure completeness 421 ceed_magma_queue_sync(data->queue); 422 423 // Restore vectors 424 if (e_mode != CEED_EVAL_WEIGHT) { 425 CeedCallBackend(CeedVectorRestoreArrayRead(u, &d_u)); 426 } 427 CeedCallBackend(CeedVectorRestoreArray(v, &d_v)); 428 return CEED_ERROR_SUCCESS; 429 } 430 431 //------------------------------------------------------------------------------ 432 // Destroy tensor basis 433 //------------------------------------------------------------------------------ 434 static int CeedBasisDestroy_Magma(CeedBasis basis) { 435 Ceed ceed; 436 CeedBasis_Magma *impl; 437 438 CeedCallBackend(CeedBasisGetCeed(basis, &ceed)); 439 CeedCallBackend(CeedBasisGetData(basis, &impl)); 440 #ifdef CEED_MAGMA_USE_HIP 441 CeedCallHip(ceed, hipModuleUnload(impl->module)); 442 #else 443 CeedCallCuda(ceed, cuModuleUnload(impl->module)); 444 #endif 445 CeedCallBackend(magma_free(impl->d_interp_1d)); 446 CeedCallBackend(magma_free(impl->d_grad_1d)); 447 CeedCallBackend(magma_free(impl->d_q_weight_1d)); 448 CeedCallBackend(CeedFree(&impl)); 449 return CEED_ERROR_SUCCESS; 450 } 451 452 //------------------------------------------------------------------------------ 453 // Destroy non-tensor basis 454 //------------------------------------------------------------------------------ 455 static int CeedBasisDestroyNonTensor_Magma(CeedBasis basis) { 456 Ceed ceed; 457 CeedBasisNonTensor_Magma *impl; 458 459 CeedCallBackend(CeedBasisGetCeed(basis, &ceed)); 460 CeedCallBackend(CeedBasisGetData(basis, &impl)); 461 for (CeedInt in = 0; in < MAGMA_NONTENSOR_KERNEL_INSTANCES; in++) { 462 if (impl->module[in]) { 463 #ifdef CEED_MAGMA_USE_HIP 464 CeedCallHip(ceed, hipModuleUnload(impl->module[in])); 465 #else 466 CeedCallCuda(ceed, cuModuleUnload(impl->module[in])); 467 #endif 468 } 469 } 470 CeedCallBackend(magma_free(impl->d_interp)); 471 CeedCallBackend(magma_free(impl->d_grad)); 472 CeedCallBackend(magma_free(impl->d_div)); 473 CeedCallBackend(magma_free(impl->d_curl)); 474 CeedCallBackend(magma_free(impl->d_q_weight)); 475 CeedCallBackend(CeedFree(&impl)); 476 return CEED_ERROR_SUCCESS; 477 } 478 479 //------------------------------------------------------------------------------ 480 // Create tensor 481 //------------------------------------------------------------------------------ 482 int CeedBasisCreateTensorH1_Magma(CeedInt dim, CeedInt P_1d, CeedInt Q_1d, const CeedScalar *interp_1d, const CeedScalar *grad_1d, 483 const CeedScalar *q_ref_1d, const CeedScalar *q_weight_1d, CeedBasis basis) { 484 Ceed ceed, ceed_delegate; 485 Ceed_Magma *data; 486 char *interp_kernel_path, *grad_kernel_path, *weight_kernel_path, *basis_kernel_source; 487 CeedInt num_comp; 488 CeedBasis_Magma *impl; 489 490 CeedCallBackend(CeedBasisGetCeed(basis, &ceed)); 491 CeedCallBackend(CeedGetData(ceed, &data)); 492 CeedCallBackend(CeedCalloc(1, &impl)); 493 494 // Copy basis data to GPU 495 CeedCallBackend(magma_malloc((void **)&impl->d_q_weight_1d, Q_1d * sizeof(q_weight_1d[0]))); 496 magma_setvector(Q_1d, sizeof(q_weight_1d[0]), q_weight_1d, 1, impl->d_q_weight_1d, 1, data->queue); 497 CeedCallBackend(magma_malloc((void **)&impl->d_interp_1d, Q_1d * P_1d * sizeof(interp_1d[0]))); 498 magma_setvector(Q_1d * P_1d, sizeof(interp_1d[0]), interp_1d, 1, impl->d_interp_1d, 1, data->queue); 499 CeedCallBackend(magma_malloc((void **)&impl->d_grad_1d, Q_1d * P_1d * sizeof(grad_1d[0]))); 500 magma_setvector(Q_1d * P_1d, sizeof(grad_1d[0]), grad_1d, 1, impl->d_grad_1d, 1, data->queue); 501 502 // The RTC compilation code expects a Ceed with the common Ceed_Cuda or Ceed_Hip data 503 CeedCallBackend(CeedGetDelegate(ceed, &ceed_delegate)); 504 505 // Compile kernels 506 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 507 { 508 char *interp_kernel_name_base = "ceed/jit-source/magma/magma-basis-interp"; 509 CeedInt interp_kernel_name_len = strlen(interp_kernel_name_base) + 6; 510 char interp_kernel_name[interp_kernel_name_len]; 511 512 snprintf(interp_kernel_name, interp_kernel_name_len, "%s-%" CeedInt_FMT "d.h", interp_kernel_name_base, dim); 513 CeedCallBackend(CeedGetJitAbsolutePath(ceed, interp_kernel_name, &interp_kernel_path)); 514 } 515 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n"); 516 CeedCallBackend(CeedLoadSourceToBuffer(ceed, interp_kernel_path, &basis_kernel_source)); 517 { 518 char *grad_kernel_name_base = "ceed/jit-source/magma/magma-basis-grad"; 519 CeedInt grad_kernel_name_len = strlen(grad_kernel_name_base) + 6; 520 char grad_kernel_name[grad_kernel_name_len]; 521 522 snprintf(grad_kernel_name, grad_kernel_name_len, "%s-%" CeedInt_FMT "d.h", grad_kernel_name_base, dim); 523 CeedCallBackend(CeedGetJitAbsolutePath(ceed, grad_kernel_name, &grad_kernel_path)); 524 } 525 CeedCallBackend(CeedLoadSourceToInitializedBuffer(ceed, grad_kernel_path, &basis_kernel_source)); 526 { 527 char *weight_kernel_name_base = "ceed/jit-source/magma/magma-basis-weight"; 528 CeedInt weight_kernel_name_len = strlen(weight_kernel_name_base) + 6; 529 char weight_kernel_name[weight_kernel_name_len]; 530 531 snprintf(weight_kernel_name, weight_kernel_name_len, "%s-%" CeedInt_FMT "d.h", weight_kernel_name_base, dim); 532 CeedCallBackend(CeedGetJitAbsolutePath(ceed, weight_kernel_name, &weight_kernel_path)); 533 } 534 CeedCallBackend(CeedLoadSourceToInitializedBuffer(ceed, weight_kernel_path, &basis_kernel_source)); 535 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n"); 536 CeedCallBackend(CeedCompileMagma(ceed_delegate, basis_kernel_source, &impl->module, 5, "BASIS_DIM", dim, "BASIS_NUM_COMP", num_comp, "BASIS_P", 537 P_1d, "BASIS_Q", Q_1d, "BASIS_MAX_P_Q", CeedIntMax(P_1d, Q_1d))); 538 switch (dim) { 539 case 1: 540 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_interpn_1d_kernel", &impl->Interp)); 541 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_interpt_1d_kernel", &impl->InterpTranspose)); 542 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_gradn_1d_kernel", &impl->Grad)); 543 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_gradt_1d_kernel", &impl->GradTranspose)); 544 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_weight_1d_kernel", &impl->Weight)); 545 break; 546 case 2: 547 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_interpn_2d_kernel", &impl->Interp)); 548 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_interpt_2d_kernel", &impl->InterpTranspose)); 549 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_gradn_2d_kernel", &impl->Grad)); 550 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_gradt_2d_kernel", &impl->GradTranspose)); 551 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_weight_2d_kernel", &impl->Weight)); 552 break; 553 case 3: 554 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_interpn_3d_kernel", &impl->Interp)); 555 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_interpt_3d_kernel", &impl->InterpTranspose)); 556 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_gradn_3d_kernel", &impl->Grad)); 557 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_gradt_3d_kernel", &impl->GradTranspose)); 558 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module, "magma_weight_3d_kernel", &impl->Weight)); 559 break; 560 } 561 CeedCallBackend(CeedFree(&interp_kernel_path)); 562 CeedCallBackend(CeedFree(&grad_kernel_path)); 563 CeedCallBackend(CeedFree(&weight_kernel_path)); 564 CeedCallBackend(CeedFree(&basis_kernel_source)); 565 566 CeedCallBackend(CeedBasisSetData(basis, impl)); 567 568 CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApply_Magma)); 569 CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroy_Magma)); 570 return CEED_ERROR_SUCCESS; 571 } 572 573 //------------------------------------------------------------------------------ 574 // Create non-tensor H^1 575 //------------------------------------------------------------------------------ 576 int CeedBasisCreateH1_Magma(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp, const CeedScalar *grad, 577 const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) { 578 Ceed ceed; 579 Ceed_Magma *data; 580 CeedBasisNonTensor_Magma *impl; 581 582 CeedCallBackend(CeedBasisGetCeed(basis, &ceed)); 583 CeedCallBackend(CeedGetData(ceed, &data)); 584 CeedCallBackend(CeedCalloc(1, &impl)); 585 586 // Copy basis data to GPU 587 CeedCallBackend(magma_malloc((void **)&impl->d_q_weight, num_qpts * sizeof(q_weight[0]))); 588 magma_setvector(num_qpts, sizeof(q_weight[0]), q_weight, 1, impl->d_q_weight, 1, data->queue); 589 if (interp) { 590 CeedInt q_comp_interp; 591 592 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 593 CeedCallBackend(magma_malloc((void **)&impl->d_interp, num_qpts * num_nodes * q_comp_interp * sizeof(interp[0]))); 594 magma_setvector(num_qpts * num_nodes * q_comp_interp, sizeof(interp[0]), interp, 1, impl->d_interp, 1, data->queue); 595 } 596 if (grad) { 597 CeedInt q_comp_grad; 598 599 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_GRAD, &q_comp_grad)); 600 CeedCallBackend(magma_malloc((void **)&impl->d_grad, num_qpts * num_nodes * q_comp_grad * sizeof(grad[0]))); 601 magma_setvector(num_qpts * num_nodes * q_comp_grad, sizeof(grad[0]), grad, 1, impl->d_grad, 1, data->queue); 602 } 603 604 // Compile the weight kernel if it won't be compiled later on 605 if (num_nodes > MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_P || num_qpts > MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_Q) { 606 Ceed ceed_delegate; 607 char *weight_kernel_path, *basis_kernel_source; 608 609 // The RTC compilation code expects a Ceed with the common Ceed_Cuda or Ceed_Hip data 610 CeedCallBackend(CeedGetDelegate(ceed, &ceed_delegate)); 611 612 // Compile weight kernel (the remainder of kernel compilation happens at first call to CeedBasisApply) 613 CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/magma/magma-basis-weight-nontensor.h", &weight_kernel_path)); 614 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n"); 615 CeedCallBackend(CeedLoadSourceToBuffer(ceed, weight_kernel_path, &basis_kernel_source)); 616 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n"); 617 CeedCallBackend(CeedCompileMagma(ceed_delegate, basis_kernel_source, &impl->module[0], 1, "BASIS_Q", num_qpts)); 618 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module[0], "magma_weight_nontensor", &impl->Weight)); 619 CeedCallBackend(CeedFree(&weight_kernel_path)); 620 CeedCallBackend(CeedFree(&basis_kernel_source)); 621 } 622 623 CeedCallBackend(CeedBasisSetData(basis, impl)); 624 625 // Register backend functions 626 CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Magma)); 627 CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Magma)); 628 return CEED_ERROR_SUCCESS; 629 } 630 631 //------------------------------------------------------------------------------ 632 // Create non-tensor H(div) 633 //------------------------------------------------------------------------------ 634 int CeedBasisCreateHdiv_Magma(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp, 635 const CeedScalar *div, const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) { 636 Ceed ceed; 637 Ceed_Magma *data; 638 CeedBasisNonTensor_Magma *impl; 639 640 CeedCallBackend(CeedBasisGetCeed(basis, &ceed)); 641 CeedCallBackend(CeedGetData(ceed, &data)); 642 CeedCallBackend(CeedCalloc(1, &impl)); 643 644 // Copy basis data to GPU 645 CeedCallBackend(magma_malloc((void **)&impl->d_q_weight, num_qpts * sizeof(q_weight[0]))); 646 magma_setvector(num_qpts, sizeof(q_weight[0]), q_weight, 1, impl->d_q_weight, 1, data->queue); 647 if (interp) { 648 CeedInt q_comp_interp; 649 650 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 651 CeedCallBackend(magma_malloc((void **)&impl->d_interp, num_qpts * num_nodes * q_comp_interp * sizeof(interp[0]))); 652 magma_setvector(num_qpts * num_nodes * q_comp_interp, sizeof(interp[0]), interp, 1, impl->d_interp, 1, data->queue); 653 } 654 if (div) { 655 CeedInt q_comp_div; 656 657 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_DIV, &q_comp_div)); 658 CeedCallBackend(magma_malloc((void **)&impl->d_div, num_qpts * num_nodes * q_comp_div * sizeof(div[0]))); 659 magma_setvector(num_qpts * num_nodes * q_comp_div, sizeof(div[0]), div, 1, impl->d_div, 1, data->queue); 660 } 661 662 // Compile the weight kernel if it won't be compiled later on 663 if (num_nodes > MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_P || num_qpts > MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_Q) { 664 Ceed ceed_delegate; 665 char *weight_kernel_path, *basis_kernel_source; 666 667 // The RTC compilation code expects a Ceed with the common Ceed_Cuda or Ceed_Hip data 668 CeedCallBackend(CeedGetDelegate(ceed, &ceed_delegate)); 669 670 // Compile weight kernel (the remainder of kernel compilation happens at first call to CeedBasisApply) 671 CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/magma/magma-basis-weight-nontensor.h", &weight_kernel_path)); 672 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n"); 673 CeedCallBackend(CeedLoadSourceToBuffer(ceed, weight_kernel_path, &basis_kernel_source)); 674 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n"); 675 CeedCallBackend(CeedCompileMagma(ceed_delegate, basis_kernel_source, &impl->module[0], 1, "BASIS_Q", num_qpts)); 676 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module[0], "magma_weight_nontensor", &impl->Weight)); 677 CeedCallBackend(CeedFree(&weight_kernel_path)); 678 CeedCallBackend(CeedFree(&basis_kernel_source)); 679 } 680 681 CeedCallBackend(CeedBasisSetData(basis, impl)); 682 683 // Register backend functions 684 CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Magma)); 685 CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Magma)); 686 return CEED_ERROR_SUCCESS; 687 } 688 689 //------------------------------------------------------------------------------ 690 // Create non-tensor H(curl) 691 //------------------------------------------------------------------------------ 692 int CeedBasisCreateHcurl_Magma(CeedElemTopology topo, CeedInt dim, CeedInt num_nodes, CeedInt num_qpts, const CeedScalar *interp, 693 const CeedScalar *curl, const CeedScalar *q_ref, const CeedScalar *q_weight, CeedBasis basis) { 694 Ceed ceed; 695 Ceed_Magma *data; 696 CeedBasisNonTensor_Magma *impl; 697 698 CeedCallBackend(CeedBasisGetCeed(basis, &ceed)); 699 CeedCallBackend(CeedGetData(ceed, &data)); 700 CeedCallBackend(CeedCalloc(1, &impl)); 701 702 // Copy basis data to GPU 703 CeedCallBackend(magma_malloc((void **)&impl->d_q_weight, num_qpts * sizeof(q_weight[0]))); 704 magma_setvector(num_qpts, sizeof(q_weight[0]), q_weight, 1, impl->d_q_weight, 1, data->queue); 705 if (interp) { 706 CeedInt q_comp_interp; 707 708 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 709 CeedCallBackend(magma_malloc((void **)&impl->d_interp, num_qpts * num_nodes * q_comp_interp * sizeof(interp[0]))); 710 magma_setvector(num_qpts * num_nodes * q_comp_interp, sizeof(interp[0]), interp, 1, impl->d_interp, 1, data->queue); 711 } 712 if (curl) { 713 CeedInt q_comp_curl; 714 715 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_CURL, &q_comp_curl)); 716 CeedCallBackend(magma_malloc((void **)&impl->d_curl, num_qpts * num_nodes * q_comp_curl * sizeof(curl[0]))); 717 magma_setvector(num_qpts * num_nodes * q_comp_curl, sizeof(curl[0]), curl, 1, impl->d_curl, 1, data->queue); 718 } 719 720 // Compile the weight kernel if it won't be compiled later on 721 if (num_nodes > MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_P || num_qpts > MAGMA_NONTENSOR_CUSTOM_KERNEL_MAX_Q) { 722 Ceed ceed_delegate; 723 char *weight_kernel_path, *basis_kernel_source; 724 725 // The RTC compilation code expects a Ceed with the common Ceed_Cuda or Ceed_Hip data 726 CeedCallBackend(CeedGetDelegate(ceed, &ceed_delegate)); 727 728 // Compile weight kernel (the remainder of kernel compilation happens at first call to CeedBasisApply) 729 CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/magma/magma-basis-weight-nontensor.h", &weight_kernel_path)); 730 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source -----\n"); 731 CeedCallBackend(CeedLoadSourceToBuffer(ceed, weight_kernel_path, &basis_kernel_source)); 732 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Basis Kernel Source Complete! -----\n"); 733 CeedCallBackend(CeedCompileMagma(ceed_delegate, basis_kernel_source, &impl->module[0], 1, "BASIS_Q", num_qpts)); 734 CeedCallBackend(CeedGetKernelMagma(ceed, impl->module[0], "magma_weight_nontensor", &impl->Weight)); 735 CeedCallBackend(CeedFree(&weight_kernel_path)); 736 CeedCallBackend(CeedFree(&basis_kernel_source)); 737 } 738 739 CeedCallBackend(CeedBasisSetData(basis, impl)); 740 741 // Register backend functions 742 CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Apply", CeedBasisApplyNonTensor_Magma)); 743 CeedCallBackend(CeedSetBackendFunction(ceed, "Basis", basis, "Destroy", CeedBasisDestroyNonTensor_Magma)); 744 return CEED_ERROR_SUCCESS; 745 } 746 747 //------------------------------------------------------------------------------ 748