1 // Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 2 // the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 3 // reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 /// @file 18 /// Public header for backend components of libCEED 19 #ifndef _ceed_backend_h 20 #define _ceed_backend_h 21 22 #include <ceed/ceed.h> 23 #include <limits.h> 24 #include <stdbool.h> 25 26 #define CEED_INTERN CEED_EXTERN __attribute__((visibility ("hidden"))) 27 #define CEED_UNUSED __attribute__((unused)) 28 29 #define CEED_MAX_RESOURCE_LEN 1024 30 #define CEED_MAX_BACKEND_PRIORITY UINT_MAX 31 #define CEED_ALIGN 64 32 #define CEED_COMPOSITE_MAX 16 33 34 /** 35 @ingroup Ceed 36 This macro provides the ability to disable optimization flags for functions that 37 are sensitive to floting point optimizations. 38 **/ 39 #ifndef CeedPragmaOptimizeOff 40 # if defined(__clang__) 41 # define CeedPragmaOptimizeOff _Pragma("clang optimize off") 42 # elif defined(__GNUC__) 43 # define CeedPragmaOptimizeOff _Pragma("GCC push_options") _Pragma("GCC optimize 0") 44 # elif defined(__INTEL_COMPILER) || defined(__INTEL_LLVM_COMPILER) 45 # define CeedPragmaOptimizeOff _Pragma("optimize('', off)") 46 # else 47 # define CeedPragmaOptimizeOff 48 # endif 49 #endif 50 51 /** 52 @ingroup Ceed 53 This macro restores previously set optimization flags after CeedPragmaOptimizeOff. 54 **/ 55 #ifndef CeedPragmaOptimizeOn 56 # if defined(__clang__) 57 # define CeedPragmaOptimizeOn _Pragma("clang optimize on") 58 # elif defined(__GNUC__) 59 # define CeedPragmaOptimizeOn _Pragma("GCC pop_options") 60 # elif defined(__INTEL_COMPILER) || defined(__INTEL_LLVM_COMPILER) 61 # define CeedPragmaOptimizeOff _Pragma("optimize('', on)") 62 # else 63 # define CeedPragmaOptimizeOn 64 # endif 65 #endif 66 67 /// CEED_DEBUG_COLOR default value, forward CeedDebug* declarations & macros 68 #ifndef CEED_DEBUG_COLOR 69 #define CEED_DEBUG_COLOR 0 70 #endif 71 CEED_EXTERN void CeedDebugImpl(const Ceed,const char *,...); 72 CEED_EXTERN void CeedDebugImpl256(const Ceed,const unsigned char,const char *, 73 ...); 74 #define CeedDebug1(ceed,format, ...) CeedDebugImpl(ceed,format, ## __VA_ARGS__) 75 #define CeedDebug256(ceed,color, ...) CeedDebugImpl256(ceed,color, ## __VA_ARGS__) 76 #define CeedDebug(...) CeedDebug256(ceed,(unsigned char)CEED_DEBUG_COLOR, ## __VA_ARGS__) 77 78 /// Handle for object handling TensorContraction 79 /// @ingroup CeedBasis 80 typedef struct CeedTensorContract_private *CeedTensorContract; 81 82 /* In the next 3 functions, p has to be the address of a pointer type, i.e. p 83 has to be a pointer to a pointer. */ 84 CEED_INTERN int CeedMallocArray(size_t n, size_t unit, void *p); 85 CEED_INTERN int CeedCallocArray(size_t n, size_t unit, void *p); 86 CEED_INTERN int CeedReallocArray(size_t n, size_t unit, void *p); 87 CEED_INTERN int CeedFree(void *p); 88 89 #define CeedChk(ierr) do { int ierr_ = ierr; if (ierr_) return ierr_; } while (0) 90 #define CeedChkBackend(ierr) do { int ierr_ = ierr; if (ierr_) { if (ierr_ > CEED_ERROR_SUCCESS) return CEED_ERROR_BACKEND; else return ierr_; } } while (0) 91 /* Note that CeedMalloc and CeedCalloc will, generally, return pointers with 92 different memory alignments: CeedMalloc returns pointers aligned at 93 CEED_ALIGN bytes, while CeedCalloc uses the alignment of calloc. */ 94 #define CeedMalloc(n, p) CeedMallocArray((n), sizeof(**(p)), p) 95 #define CeedCalloc(n, p) CeedCallocArray((n), sizeof(**(p)), p) 96 #define CeedRealloc(n, p) CeedReallocArray((n), sizeof(**(p)), p) 97 98 /// Handle for object describing CeedQFunction fields 99 /// @ingroup CeedQFunctionBackend 100 typedef struct CeedQFunctionField_private *CeedQFunctionField; 101 /// Handle for object describing CeedOperator fields 102 /// @ingroup CeedOperatorBackend 103 typedef struct CeedOperatorField_private *CeedOperatorField; 104 105 CEED_EXTERN int CeedRegister(const char *prefix, 106 int (*init)(const char *, Ceed), 107 unsigned int priority); 108 109 CEED_EXTERN int CeedIsDebug(Ceed ceed, bool *is_debug); 110 CEED_EXTERN int CeedGetParent(Ceed ceed, Ceed *parent); 111 CEED_EXTERN int CeedGetDelegate(Ceed ceed, Ceed *delegate); 112 CEED_EXTERN int CeedSetDelegate(Ceed ceed, Ceed delegate); 113 CEED_EXTERN int CeedGetObjectDelegate(Ceed ceed, Ceed *delegate, 114 const char *obj_name); 115 CEED_EXTERN int CeedSetObjectDelegate(Ceed ceed, Ceed delegate, 116 const char *obj_name); 117 CEED_EXTERN int CeedOperatorCheckReady(CeedOperator op); 118 CEED_EXTERN int CeedOperatorGetActiveBasis(CeedOperator op, 119 CeedBasis *active_basis); 120 CEED_EXTERN int CeedOperatorGetActiveElemRestriction(CeedOperator op, CeedElemRestriction *active_rstr); 121 CEED_EXTERN int CeedGetOperatorFallbackResource(Ceed ceed, 122 const char **resource); 123 CEED_EXTERN int CeedSetOperatorFallbackResource(Ceed ceed, 124 const char *resource); 125 CEED_EXTERN int CeedGetOperatorFallbackParentCeed(Ceed ceed, Ceed *parent); 126 CEED_EXTERN int CeedSetDeterministic(Ceed ceed, bool is_deterministic); 127 CEED_EXTERN int CeedSetBackendFunction(Ceed ceed, 128 const char *type, void *object, 129 const char *func_name, int (*f)()); 130 CEED_EXTERN int CeedGetData(Ceed ceed, void *data); 131 CEED_EXTERN int CeedSetData(Ceed ceed, void *data); 132 CEED_EXTERN int CeedReference(Ceed ceed); 133 134 CEED_EXTERN int CeedVectorGetCeed(CeedVector vec, Ceed *ceed); 135 CEED_EXTERN int CeedVectorGetState(CeedVector vec, uint64_t *state); 136 CEED_EXTERN int CeedVectorAddReference(CeedVector vec); 137 CEED_EXTERN int CeedVectorGetData(CeedVector vec, void *data); 138 CEED_EXTERN int CeedVectorSetData(CeedVector vec, void *data); 139 CEED_EXTERN int CeedVectorReference(CeedVector vec); 140 141 CEED_EXTERN int CeedElemRestrictionGetCeed(CeedElemRestriction rstr, 142 Ceed *ceed); 143 CEED_EXTERN int CeedElemRestrictionGetStrides(CeedElemRestriction rstr, 144 CeedInt (*strides)[3]); 145 CEED_EXTERN int CeedElemRestrictionGetOffsets(CeedElemRestriction rstr, 146 CeedMemType mem_type, const CeedInt **offsets); 147 CEED_EXTERN int CeedElemRestrictionRestoreOffsets(CeedElemRestriction rstr, 148 const CeedInt **offsets); 149 CEED_EXTERN int CeedElemRestrictionIsStrided(CeedElemRestriction rstr, 150 bool *is_strided); 151 CEED_EXTERN int CeedElemRestrictionHasBackendStrides(CeedElemRestriction rstr, 152 bool *has_backend_strides); 153 CEED_EXTERN int CeedElemRestrictionGetELayout(CeedElemRestriction rstr, 154 CeedInt (*layout)[3]); 155 CEED_EXTERN int CeedElemRestrictionSetELayout(CeedElemRestriction rstr, 156 CeedInt layout[3]); 157 CEED_EXTERN int CeedElemRestrictionGetData(CeedElemRestriction rstr, 158 void *data); 159 CEED_EXTERN int CeedElemRestrictionSetData(CeedElemRestriction rstr, 160 void *data); 161 CEED_EXTERN int CeedElemRestrictionReference(CeedElemRestriction rstr); 162 163 CEED_EXTERN int CeedBasisGetCollocatedGrad(CeedBasis basis, 164 CeedScalar *colo_grad_1d); 165 CEED_EXTERN int CeedHouseholderApplyQ(CeedScalar *A, const CeedScalar *Q, 166 const CeedScalar *tau, CeedTransposeMode t_mode, CeedInt m, CeedInt n, 167 CeedInt k, CeedInt row, CeedInt col); 168 CEED_EXTERN int CeedBasisGetCeed(CeedBasis basis, Ceed *ceed); 169 CEED_EXTERN int CeedBasisIsTensor(CeedBasis basis, bool *is_tensor); 170 CEED_EXTERN int CeedBasisGetData(CeedBasis basis, void *data); 171 CEED_EXTERN int CeedBasisSetData(CeedBasis basis, void *data); 172 CEED_EXTERN int CeedBasisReference(CeedBasis basis); 173 174 CEED_EXTERN int CeedBasisGetTopologyDimension(CeedElemTopology topo, 175 CeedInt *dim); 176 177 CEED_EXTERN int CeedBasisGetTensorContract(CeedBasis basis, 178 CeedTensorContract *contract); 179 CEED_EXTERN int CeedBasisSetTensorContract(CeedBasis basis, 180 CeedTensorContract contract); 181 CEED_EXTERN int CeedTensorContractCreate(Ceed ceed, CeedBasis basis, 182 CeedTensorContract *contract); 183 CEED_EXTERN int CeedTensorContractApply(CeedTensorContract contract, CeedInt A, 184 CeedInt B, CeedInt C, CeedInt J, 185 const CeedScalar *__restrict__ t, 186 CeedTransposeMode t_mode, 187 const CeedInt Add, 188 const CeedScalar *__restrict__ u, 189 CeedScalar *__restrict__ v); 190 CEED_EXTERN int CeedTensorContractGetCeed(CeedTensorContract contract, 191 Ceed *ceed); 192 CEED_EXTERN int CeedTensorContractGetData(CeedTensorContract contract, 193 void *data); 194 CEED_EXTERN int CeedTensorContractSetData(CeedTensorContract contract, 195 void *data); 196 CEED_EXTERN int CeedTensorContractReference(CeedTensorContract contract); 197 CEED_EXTERN int CeedTensorContractDestroy(CeedTensorContract *contract); 198 199 CEED_EXTERN int CeedQFunctionRegister(const char *, const char *, CeedInt, 200 CeedQFunctionUser, int (*init)(Ceed, const char *, CeedQFunction)); 201 CEED_EXTERN int CeedQFunctionSetFortranStatus(CeedQFunction qf, bool status); 202 CEED_EXTERN int CeedQFunctionGetCeed(CeedQFunction qf, Ceed *ceed); 203 CEED_EXTERN int CeedQFunctionGetVectorLength(CeedQFunction qf, 204 CeedInt *vec_length); 205 CEED_EXTERN int CeedQFunctionGetNumArgs(CeedQFunction qf, 206 CeedInt *num_input_fields, 207 CeedInt *num_output_fields); 208 CEED_EXTERN int CeedQFunctionGetSourcePath(CeedQFunction qf, char **source); 209 CEED_EXTERN int CeedQFunctionGetUserFunction(CeedQFunction qf, 210 CeedQFunctionUser *f); 211 CEED_EXTERN int CeedQFunctionGetContext(CeedQFunction qf, 212 CeedQFunctionContext *ctx); 213 CEED_EXTERN int CeedQFunctionGetInnerContext(CeedQFunction qf, 214 CeedQFunctionContext *ctx); 215 CEED_EXTERN int CeedQFunctionIsIdentity(CeedQFunction qf, bool *is_identity); 216 CEED_EXTERN int CeedQFunctionGetData(CeedQFunction qf, void *data); 217 CEED_EXTERN int CeedQFunctionSetData(CeedQFunction qf, void *data); 218 CEED_EXTERN int CeedQFunctionReference(CeedQFunction qf); 219 CEED_EXTERN int CeedQFunctionGetFields(CeedQFunction qf, 220 CeedQFunctionField **input_fields, 221 CeedQFunctionField **output_fields); 222 CEED_EXTERN int CeedQFunctionFieldGetName(CeedQFunctionField qf_field, 223 char **field_name); 224 CEED_EXTERN int CeedQFunctionFieldGetSize(CeedQFunctionField qf_field, 225 CeedInt *size); 226 CEED_EXTERN int CeedQFunctionFieldGetEvalMode(CeedQFunctionField qf_field, 227 CeedEvalMode *eval_mode); 228 229 CEED_EXTERN int CeedQFunctionContextGetCeed(CeedQFunctionContext cxt, 230 Ceed *ceed); 231 CEED_EXTERN int CeedQFunctionContextGetState(CeedQFunctionContext ctx, 232 uint64_t *state); 233 CEED_EXTERN int CeedQFunctionContextGetBackendData(CeedQFunctionContext ctx, 234 void *data); 235 CEED_EXTERN int CeedQFunctionContextSetBackendData(CeedQFunctionContext ctx, 236 void *data); 237 CEED_EXTERN int CeedQFunctionContextReference(CeedQFunctionContext ctx); 238 239 CEED_EXTERN int CeedOperatorGetCeed(CeedOperator op, Ceed *ceed); 240 CEED_EXTERN int CeedOperatorGetNumElements(CeedOperator op, CeedInt *num_elem); 241 CEED_EXTERN int CeedOperatorGetNumQuadraturePoints(CeedOperator op, 242 CeedInt *num_qpts); 243 CEED_EXTERN int CeedOperatorGetNumArgs(CeedOperator op, CeedInt *num_args); 244 CEED_EXTERN int CeedOperatorIsSetupDone(CeedOperator op, bool *is_setup_done); 245 CEED_EXTERN int CeedOperatorGetQFunction(CeedOperator op, CeedQFunction *qf); 246 CEED_EXTERN int CeedOperatorIsComposite(CeedOperator op, bool *is_composite); 247 CEED_EXTERN int CeedOperatorGetNumSub(CeedOperator op, CeedInt *num_suboperators); 248 CEED_EXTERN int CeedOperatorGetSubList(CeedOperator op, 249 CeedOperator **sub_operators); 250 CEED_EXTERN int CeedOperatorGetData(CeedOperator op, void *data); 251 CEED_EXTERN int CeedOperatorSetData(CeedOperator op, void *data); 252 CEED_EXTERN int CeedOperatorReference(CeedOperator op); 253 CEED_EXTERN int CeedOperatorSetSetupDone(CeedOperator op); 254 255 CEED_EXTERN int CeedOperatorGetFields(CeedOperator op, 256 CeedOperatorField **input_fields, 257 CeedOperatorField **output_fields); 258 CEED_EXTERN int CeedOperatorFieldGetElemRestriction(CeedOperatorField op_field, 259 CeedElemRestriction *rstr); 260 CEED_EXTERN int CeedOperatorFieldGetBasis(CeedOperatorField op_field, 261 CeedBasis *basis); 262 CEED_EXTERN int CeedOperatorFieldGetVector(CeedOperatorField op_field, 263 CeedVector *vec); 264 265 CEED_INTERN int CeedMatrixMultiply(Ceed ceed, const CeedScalar *mat_A, 266 const CeedScalar *mat_B, CeedScalar *mat_C, 267 CeedInt m, CeedInt n, CeedInt kk); 268 269 #endif 270