1 // Copyright (c) 2017-2024, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 /// @file 9 /// Miscellaneous utility functions 10 11 #include <ceed.h> 12 #include <petscdm.h> 13 #include <petscsf.h> 14 #include <petscts.h> 15 16 #include "../navierstokes.h" 17 #include "../qfunctions/mass.h" 18 19 PetscErrorCode ICs_FixMultiplicity(DM dm, CeedData ceed_data, User user, Vec Q_loc, Vec Q, CeedScalar time) { 20 Ceed ceed = user->ceed; 21 CeedVector mult_vec; 22 PetscMemType m_mem_type; 23 Vec Multiplicity, Multiplicity_loc; 24 25 PetscFunctionBeginUser; 26 if (user->phys->ics_time_label) PetscCallCeed(ceed, CeedOperatorSetContextDouble(ceed_data->op_ics_ctx->op, user->phys->ics_time_label, &time)); 27 PetscCall(ApplyCeedOperatorLocalToGlobal(NULL, Q, ceed_data->op_ics_ctx)); 28 29 PetscCallCeed(ceed, CeedElemRestrictionCreateVector(ceed_data->elem_restr_q, &mult_vec, NULL)); 30 31 // -- Get multiplicity 32 PetscCall(DMGetLocalVector(dm, &Multiplicity_loc)); 33 PetscCall(VecPetscToCeed(Multiplicity_loc, &m_mem_type, mult_vec)); 34 PetscCallCeed(ceed, CeedElemRestrictionGetMultiplicity(ceed_data->elem_restr_q, mult_vec)); 35 PetscCall(VecCeedToPetsc(mult_vec, m_mem_type, Multiplicity_loc)); 36 37 PetscCall(DMGetGlobalVector(dm, &Multiplicity)); 38 PetscCall(VecZeroEntries(Multiplicity)); 39 PetscCall(DMLocalToGlobal(dm, Multiplicity_loc, ADD_VALUES, Multiplicity)); 40 41 // -- Fix multiplicity 42 PetscCall(VecPointwiseDivide(Q, Q, Multiplicity)); 43 PetscCall(VecPointwiseDivide(Q_loc, Q_loc, Multiplicity_loc)); 44 45 PetscCall(DMRestoreLocalVector(dm, &Multiplicity_loc)); 46 PetscCall(DMRestoreGlobalVector(dm, &Multiplicity)); 47 PetscCallCeed(ceed, CeedVectorDestroy(&mult_vec)); 48 PetscFunctionReturn(PETSC_SUCCESS); 49 } 50 51 // Record boundary values from initial condition 52 PetscErrorCode SetBCsFromICs(DM dm, Vec Q, Vec Q_loc) { 53 Vec Qbc, boundary_mask; 54 55 PetscFunctionBeginUser; 56 PetscCall(DMGetNamedLocalVector(dm, "Qbc", &Qbc)); 57 PetscCall(VecCopy(Q_loc, Qbc)); 58 PetscCall(VecZeroEntries(Q_loc)); 59 PetscCall(DMGlobalToLocal(dm, Q, INSERT_VALUES, Q_loc)); 60 PetscCall(VecAXPY(Qbc, -1., Q_loc)); 61 PetscCall(DMRestoreNamedLocalVector(dm, "Qbc", &Qbc)); 62 PetscCall(PetscObjectComposeFunction((PetscObject)dm, "DMPlexInsertBoundaryValues_C", DMPlexInsertBoundaryValues_FromICs)); 63 64 PetscCall(DMGetNamedLocalVector(dm, "boundary mask", &boundary_mask)); 65 PetscCall(DMGetGlobalVector(dm, &Q)); 66 PetscCall(VecZeroEntries(boundary_mask)); 67 PetscCall(VecSet(Q, 1.0)); 68 PetscCall(DMGlobalToLocal(dm, Q, INSERT_VALUES, boundary_mask)); 69 PetscCall(DMRestoreNamedLocalVector(dm, "boundary mask", &boundary_mask)); 70 PetscFunctionReturn(PETSC_SUCCESS); 71 } 72 73 PetscErrorCode DMPlexInsertBoundaryValues_FromICs(DM dm, PetscBool insert_essential, Vec Q_loc, PetscReal time, Vec face_geom_FVM, Vec cell_geom_FVM, 74 Vec grad_FVM) { 75 Vec Qbc, boundary_mask; 76 77 PetscFunctionBeginUser; 78 // Mask (zero) Strong BC entries 79 PetscCall(DMGetNamedLocalVector(dm, "boundary mask", &boundary_mask)); 80 PetscCall(VecPointwiseMult(Q_loc, Q_loc, boundary_mask)); 81 PetscCall(DMRestoreNamedLocalVector(dm, "boundary mask", &boundary_mask)); 82 83 PetscCall(DMGetNamedLocalVector(dm, "Qbc", &Qbc)); 84 PetscCall(VecAXPY(Q_loc, 1., Qbc)); 85 PetscCall(DMRestoreNamedLocalVector(dm, "Qbc", &Qbc)); 86 PetscFunctionReturn(PETSC_SUCCESS); 87 } 88 89 static PetscErrorCode BinaryReadIntoInt(PetscViewer viewer, PetscInt *out, PetscDataType file_type) { 90 PetscFunctionBeginUser; 91 if (file_type == PETSC_INT32) { 92 PetscInt32 val; 93 PetscCall(PetscViewerBinaryRead(viewer, &val, 1, NULL, PETSC_INT32)); 94 *out = val; 95 } else if (file_type == PETSC_INT64) { 96 PetscInt64 val; 97 PetscCall(PetscViewerBinaryRead(viewer, &val, 1, NULL, PETSC_INT64)); 98 *out = val; 99 } else { 100 PetscCall(PetscViewerBinaryRead(viewer, out, 1, NULL, PETSC_INT)); 101 } 102 PetscFunctionReturn(PETSC_SUCCESS); 103 } 104 105 // @brief Load vector from binary file, possibly with embedded solution time and step number 106 PetscErrorCode LoadFluidsBinaryVec(MPI_Comm comm, PetscViewer viewer, Vec Q, PetscReal *time, PetscInt *step_number) { 107 PetscInt file_step_number; 108 PetscInt32 token; 109 PetscReal file_time; 110 PetscDataType file_type = PETSC_INT32; 111 112 PetscFunctionBeginUser; 113 PetscCall(PetscViewerBinaryRead(viewer, &token, 1, NULL, PETSC_INT32)); 114 if (token == FLUIDS_FILE_TOKEN_32 || token == FLUIDS_FILE_TOKEN_64 || 115 token == FLUIDS_FILE_TOKEN) { // New style format; we're reading a file with step number and time in the header 116 if (token == FLUIDS_FILE_TOKEN_32) file_type = PETSC_INT32; 117 else if (token == FLUIDS_FILE_TOKEN_64) file_type = PETSC_INT64; 118 PetscCall(BinaryReadIntoInt(viewer, &file_step_number, file_type)); 119 PetscCall(PetscViewerBinaryRead(viewer, &file_time, 1, NULL, PETSC_REAL)); 120 if (time) *time = file_time; 121 if (step_number) *step_number = file_step_number; 122 } else if (token == VEC_FILE_CLASSID) { // Legacy format of just the vector, encoded as [VEC_FILE_CLASSID, length, ] 123 PetscInt length, N; 124 PetscCall(BinaryReadIntoInt(viewer, &length, file_type)); 125 PetscCall(VecGetSize(Q, &N)); 126 PetscCheck(length == N, comm, PETSC_ERR_ARG_INCOMP, "File Vec has length %" PetscInt_FMT " but DM has global Vec size %" PetscInt_FMT, length, N); 127 PetscCall(PetscViewerBinarySetSkipHeader(viewer, PETSC_TRUE)); 128 } else SETERRQ(comm, PETSC_ERR_FILE_UNEXPECTED, "Not a fluids header token or a PETSc Vec in file"); 129 130 PetscCall(VecLoad(Q, viewer)); 131 PetscFunctionReturn(PETSC_SUCCESS); 132 } 133 134 // Compare reference solution values with current test run for CI 135 PetscErrorCode RegressionTest(AppCtx app_ctx, Vec Q) { 136 Vec Qref; 137 PetscViewer viewer; 138 PetscReal error, Qrefnorm; 139 MPI_Comm comm = PetscObjectComm((PetscObject)Q); 140 141 PetscFunctionBeginUser; 142 // Read reference file 143 PetscCall(VecDuplicate(Q, &Qref)); 144 PetscCall(PetscViewerBinaryOpen(comm, app_ctx->test_file_path, FILE_MODE_READ, &viewer)); 145 PetscCall(LoadFluidsBinaryVec(comm, viewer, Qref, NULL, NULL)); 146 147 // Compute error with respect to reference solution 148 PetscCall(VecAXPY(Q, -1.0, Qref)); 149 PetscCall(VecNorm(Qref, NORM_MAX, &Qrefnorm)); 150 PetscCall(VecScale(Q, 1. / Qrefnorm)); 151 PetscCall(VecNorm(Q, NORM_MAX, &error)); 152 153 // Check error 154 if (error > app_ctx->test_tol) { 155 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test failed with error norm %g\n", (double)error)); 156 } 157 158 // Cleanup 159 PetscCall(PetscViewerDestroy(&viewer)); 160 PetscCall(VecDestroy(&Qref)); 161 PetscFunctionReturn(PETSC_SUCCESS); 162 } 163 164 // Get error for problems with exact solutions 165 PetscErrorCode PrintError(CeedData ceed_data, DM dm, User user, Vec Q, PetscScalar final_time) { 166 PetscInt loc_nodes; 167 Vec Q_exact, Q_exact_loc; 168 PetscReal rel_error, norm_error, norm_exact; 169 170 PetscFunctionBeginUser; 171 // Get exact solution at final time 172 PetscCall(DMGetGlobalVector(dm, &Q_exact)); 173 PetscCall(DMGetLocalVector(dm, &Q_exact_loc)); 174 PetscCall(VecGetSize(Q_exact_loc, &loc_nodes)); 175 PetscCall(ICs_FixMultiplicity(dm, ceed_data, user, Q_exact_loc, Q_exact, final_time)); 176 177 // Get |exact solution - obtained solution| 178 PetscCall(VecNorm(Q_exact, NORM_1, &norm_exact)); 179 PetscCall(VecAXPY(Q, -1.0, Q_exact)); 180 PetscCall(VecNorm(Q, NORM_1, &norm_error)); 181 182 rel_error = norm_error / norm_exact; 183 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Relative Error: %g\n", (double)rel_error)); 184 PetscCall(DMRestoreLocalVector(dm, &Q_exact_loc)); 185 PetscCall(DMRestoreGlobalVector(dm, &Q_exact)); 186 PetscFunctionReturn(PETSC_SUCCESS); 187 } 188 189 // Post-processing 190 PetscErrorCode PostProcess(TS ts, CeedData ceed_data, DM dm, ProblemData *problem, User user, Vec Q, PetscScalar final_time) { 191 PetscInt steps; 192 TSConvergedReason reason; 193 194 PetscFunctionBeginUser; 195 // Print relative error 196 if (problem->non_zero_time && user->app_ctx->test_type == TESTTYPE_NONE) { 197 PetscCall(PrintError(ceed_data, dm, user, Q, final_time)); 198 } 199 200 // Print final time and number of steps 201 PetscCall(TSGetStepNumber(ts, &steps)); 202 PetscCall(TSGetConvergedReason(ts, &reason)); 203 if (user->app_ctx->test_type == TESTTYPE_NONE) { 204 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Time integrator %s on time step %" PetscInt_FMT " with final time %g\n", TSConvergedReasons[reason], 205 steps, (double)final_time)); 206 } 207 208 // Output numerical values from command line 209 PetscCall(VecViewFromOptions(Q, NULL, "-vec_view")); 210 211 // Compare reference solution values with current test run for CI 212 if (user->app_ctx->test_type == TESTTYPE_SOLVER) { 213 PetscCall(RegressionTest(user->app_ctx, Q)); 214 } 215 PetscFunctionReturn(PETSC_SUCCESS); 216 } 217 218 const PetscInt32 FLUIDS_FILE_TOKEN = 0xceedf00; // for backwards compatibility 219 const PetscInt32 FLUIDS_FILE_TOKEN_32 = 0xceedf32; 220 const PetscInt32 FLUIDS_FILE_TOKEN_64 = 0xceedf64; 221 222 // Gather initial Q values in case of continuation of simulation 223 PetscErrorCode SetupICsFromBinary(MPI_Comm comm, AppCtx app_ctx, Vec Q) { 224 PetscViewer viewer; 225 226 PetscFunctionBeginUser; 227 PetscCall(PetscViewerBinaryOpen(comm, app_ctx->cont_file, FILE_MODE_READ, &viewer)); 228 PetscCall(LoadFluidsBinaryVec(comm, viewer, Q, &app_ctx->cont_time, &app_ctx->cont_steps)); 229 PetscCall(PetscViewerDestroy(&viewer)); 230 PetscFunctionReturn(PETSC_SUCCESS); 231 } 232 233 // Free a plain data context that was allocated using PETSc; returning libCEED error codes 234 int FreeContextPetsc(void *data) { 235 if (PetscFree(data)) return CeedError(NULL, CEED_ERROR_ACCESS, "PetscFree failed"); 236 return CEED_ERROR_SUCCESS; 237 } 238 239 // Return mass qfunction specification for number of components N 240 PetscErrorCode CreateMassQFunction(Ceed ceed, CeedInt N, CeedInt q_data_size, CeedQFunction *qf) { 241 PetscFunctionBeginUser; 242 switch (N) { 243 case 1: 244 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, Mass_1, Mass_1_loc, qf)); 245 break; 246 case 5: 247 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, Mass_5, Mass_5_loc, qf)); 248 break; 249 case 7: 250 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, Mass_7, Mass_7_loc, qf)); 251 break; 252 case 9: 253 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, Mass_9, Mass_9_loc, qf)); 254 break; 255 case 22: 256 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, Mass_22, Mass_22_loc, qf)); 257 break; 258 default: 259 SETERRQ(PETSC_COMM_WORLD, PETSC_ERR_SUP, "Could not find mass qfunction of size %d", N); 260 } 261 262 PetscCallCeed(ceed, CeedQFunctionAddInput(*qf, "u", N, CEED_EVAL_INTERP)); 263 PetscCallCeed(ceed, CeedQFunctionAddInput(*qf, "qdata", q_data_size, CEED_EVAL_NONE)); 264 PetscCallCeed(ceed, CeedQFunctionAddOutput(*qf, "v", N, CEED_EVAL_INTERP)); 265 PetscCallCeed(ceed, CeedQFunctionSetUserFlopsEstimate(*qf, N)); 266 PetscFunctionReturn(PETSC_SUCCESS); 267 } 268 269 PetscErrorCode NodalProjectionDataDestroy(NodalProjectionData context) { 270 PetscFunctionBeginUser; 271 if (context == NULL) PetscFunctionReturn(PETSC_SUCCESS); 272 273 PetscCall(DMDestroy(&context->dm)); 274 PetscCall(KSPDestroy(&context->ksp)); 275 276 PetscCall(OperatorApplyContextDestroy(context->l2_rhs_ctx)); 277 278 PetscCall(PetscFree(context)); 279 PetscFunctionReturn(PETSC_SUCCESS); 280 } 281 282 /* 283 * @brief Open a PHASTA *.dat file, grabbing dimensions and file pointer 284 * 285 * This function opens the file specified by `path` using `PetscFOpen` and passes the file pointer in `fp`. 286 * It is not closed in this function, thus `fp` must be closed sometime after this function has been called (using `PetscFClose` for example). 287 * 288 * Assumes that the first line of the file has the number of rows and columns as the only two entries, separated by a single space. 289 * 290 * @param[in] comm MPI_Comm for the program 291 * @param[in] path Path to the file 292 * @param[in] char_array_len Length of the character array that should contain each line 293 * @param[out] dims Dimensions of the file, taken from the first line of the file 294 * @param[out] fp File pointer to the opened file 295 */ 296 PetscErrorCode PhastaDatFileOpen(const MPI_Comm comm, const char path[PETSC_MAX_PATH_LEN], const PetscInt char_array_len, PetscInt dims[2], 297 FILE **fp) { 298 int ndims; 299 char line[char_array_len]; 300 char **array; 301 302 PetscFunctionBeginUser; 303 PetscCall(PetscFOpen(comm, path, "r", fp)); 304 PetscCall(PetscSynchronizedFGets(comm, *fp, char_array_len, line)); 305 PetscCall(PetscStrToArray(line, ' ', &ndims, &array)); 306 PetscCheck(ndims == 2, comm, PETSC_ERR_FILE_UNEXPECTED, "Found %d dimensions instead of 2 on the first line of %s", ndims, path); 307 308 for (PetscInt i = 0; i < ndims; i++) dims[i] = atoi(array[i]); 309 PetscCall(PetscStrToArrayDestroy(ndims, array)); 310 PetscFunctionReturn(PETSC_SUCCESS); 311 } 312 313 /* 314 * @brief Get the number of rows for the PHASTA file at path. 315 * 316 * Assumes that the first line of the file has the number of rows and columns as the only two entries, separated by a single space. 317 * 318 * @param[in] comm MPI_Comm for the program 319 * @param[in] path Path to the file 320 * @param[out] nrows Number of rows 321 */ 322 PetscErrorCode PhastaDatFileGetNRows(const MPI_Comm comm, const char path[PETSC_MAX_PATH_LEN], PetscInt *nrows) { 323 const PetscInt char_array_len = 512; 324 PetscInt dims[2]; 325 FILE *fp; 326 327 PetscFunctionBeginUser; 328 PetscCall(PhastaDatFileOpen(comm, path, char_array_len, dims, &fp)); 329 *nrows = dims[0]; 330 PetscCall(PetscFClose(comm, fp)); 331 PetscFunctionReturn(PETSC_SUCCESS); 332 } 333 334 PetscErrorCode PhastaDatFileReadToArrayReal(MPI_Comm comm, const char path[PETSC_MAX_PATH_LEN], PetscReal array[]) { 335 PetscInt dims[2]; 336 int ndims; 337 FILE *fp; 338 const PetscInt char_array_len = 512; 339 char line[char_array_len]; 340 char **row_array; 341 342 PetscFunctionBeginUser; 343 PetscCall(PhastaDatFileOpen(comm, path, char_array_len, dims, &fp)); 344 345 for (PetscInt i = 0; i < dims[0]; i++) { 346 PetscCall(PetscSynchronizedFGets(comm, fp, char_array_len, line)); 347 PetscCall(PetscStrToArray(line, ' ', &ndims, &row_array)); 348 PetscCheck(ndims == dims[1], comm, PETSC_ERR_FILE_UNEXPECTED, 349 "Line %" PetscInt_FMT " of %s does not contain enough columns (%d instead of %" PetscInt_FMT ")", i, path, ndims, dims[1]); 350 351 for (PetscInt j = 0; j < dims[1]; j++) { 352 array[i * dims[1] + j] = (PetscReal)atof(row_array[j]); 353 } 354 } 355 356 PetscCall(PetscFClose(comm, fp)); 357 PetscFunctionReturn(PETSC_SUCCESS); 358 } 359 360 PetscLogEvent FLUIDS_CeedOperatorApply; 361 PetscLogEvent FLUIDS_CeedOperatorAssemble; 362 PetscLogEvent FLUIDS_CeedOperatorAssembleDiagonal; 363 PetscLogEvent FLUIDS_CeedOperatorAssemblePointBlockDiagonal; 364 PetscLogEvent FLUIDS_SmartRedis_Init; 365 PetscLogEvent FLUIDS_SmartRedis_Meta; 366 PetscLogEvent FLUIDS_SmartRedis_Train; 367 PetscLogEvent FLUIDS_TrainDataCompute; 368 PetscLogEvent FLUIDS_DifferentialFilter; 369 PetscLogEvent FLUIDS_VelocityGradientProjection; 370 static PetscClassId libCEED_classid, onlineTrain_classid, misc_classid; 371 372 PetscErrorCode RegisterLogEvents() { 373 PetscFunctionBeginUser; 374 PetscCall(PetscClassIdRegister("libCEED", &libCEED_classid)); 375 PetscCall(PetscLogEventRegister("CeedOpApply", libCEED_classid, &FLUIDS_CeedOperatorApply)); 376 PetscCall(PetscLogEventRegister("CeedOpAsm", libCEED_classid, &FLUIDS_CeedOperatorAssemble)); 377 PetscCall(PetscLogEventRegister("CeedOpAsmD", libCEED_classid, &FLUIDS_CeedOperatorAssembleDiagonal)); 378 PetscCall(PetscLogEventRegister("CeedOpAsmPBD", libCEED_classid, &FLUIDS_CeedOperatorAssemblePointBlockDiagonal)); 379 380 PetscCall(PetscClassIdRegister("onlineTrain", &onlineTrain_classid)); 381 PetscCall(PetscLogEventRegister("SmartRedis_Init", onlineTrain_classid, &FLUIDS_SmartRedis_Init)); 382 PetscCall(PetscLogEventRegister("SmartRedis_Meta", onlineTrain_classid, &FLUIDS_SmartRedis_Meta)); 383 PetscCall(PetscLogEventRegister("SmartRedis_Train", onlineTrain_classid, &FLUIDS_SmartRedis_Train)); 384 PetscCall(PetscLogEventRegister("TrainDataCompute", onlineTrain_classid, &FLUIDS_TrainDataCompute)); 385 386 PetscCall(PetscClassIdRegister("Miscellaneous", &misc_classid)); 387 PetscCall(PetscLogEventRegister("DiffFilter", misc_classid, &FLUIDS_DifferentialFilter)); 388 PetscCall(PetscLogEventRegister("VeloGradProj", misc_classid, &FLUIDS_VelocityGradientProjection)); 389 PetscFunctionReturn(PETSC_SUCCESS); 390 } 391 392 // Print information about the given simulation run 393 PetscErrorCode PrintRunInfo(User user, Physics phys_ctx, ProblemData *problem, MPI_Comm comm) { 394 Ceed ceed = user->ceed; 395 PetscFunctionBeginUser; 396 // Header and rank 397 char host_name[PETSC_MAX_PATH_LEN]; 398 PetscMPIInt rank, comm_size; 399 PetscCall(PetscGetHostName(host_name, sizeof host_name)); 400 PetscCallMPI(MPI_Comm_rank(comm, &rank)); 401 PetscCallMPI(MPI_Comm_size(comm, &comm_size)); 402 PetscCall(PetscPrintf(comm, 403 "\n-- Navier-Stokes solver - libCEED + PETSc --\n" 404 " MPI:\n" 405 " Host Name : %s\n" 406 " Total ranks : %d\n", 407 host_name, comm_size)); 408 409 // Problem specific info 410 PetscCall(problem->print_info(user, problem, user->app_ctx)); 411 412 // libCEED 413 const char *used_resource; 414 CeedMemType mem_type_backend; 415 PetscCallCeed(ceed, CeedGetResource(user->ceed, &used_resource)); 416 PetscCallCeed(ceed, CeedGetPreferredMemType(user->ceed, &mem_type_backend)); 417 PetscCall(PetscPrintf(comm, 418 " libCEED:\n" 419 " libCEED Backend : %s\n" 420 " libCEED Backend MemType : %s\n", 421 used_resource, CeedMemTypes[mem_type_backend])); 422 // PETSc 423 char box_faces_str[PETSC_MAX_PATH_LEN] = "3,3,3"; 424 if (problem->dim == 2) box_faces_str[3] = '\0'; 425 PetscCall(PetscOptionsGetString(NULL, NULL, "-dm_plex_box_faces", box_faces_str, sizeof(box_faces_str), NULL)); 426 MatType amat_type = user->app_ctx->amat_type, pmat_type; 427 VecType vec_type; 428 PetscCall(DMGetMatType(user->dm, &pmat_type)); 429 if (!amat_type) amat_type = pmat_type; 430 PetscCall(DMGetVecType(user->dm, &vec_type)); 431 PetscCall(PetscPrintf(comm, 432 " PETSc:\n" 433 " Box Faces : %s\n" 434 " A MatType : %s\n" 435 " P MatType : %s\n" 436 " DM VecType : %s\n" 437 " Time Stepping Scheme : %s\n", 438 box_faces_str, amat_type, pmat_type, vec_type, phys_ctx->implicit ? "implicit" : "explicit")); 439 if (user->app_ctx->cont_steps) { 440 PetscCall(PetscPrintf(comm, 441 " Continue:\n" 442 " Filename: : %s\n" 443 " Step: : %" PetscInt_FMT "\n" 444 " Time: : %g\n", 445 user->app_ctx->cont_file, user->app_ctx->cont_steps, user->app_ctx->cont_time)); 446 } 447 // Mesh 448 const PetscInt num_comp_q = 5; 449 PetscInt glob_dofs, owned_dofs, local_dofs; 450 const CeedInt num_P = user->app_ctx->degree + 1, num_Q = num_P + user->app_ctx->q_extra; 451 PetscCall(DMGetGlobalVectorInfo(user->dm, &owned_dofs, &glob_dofs, NULL)); 452 PetscCall(DMGetLocalVectorInfo(user->dm, &local_dofs, NULL, NULL)); 453 PetscCall(PetscPrintf(comm, 454 " Mesh:\n" 455 " Number of 1D Basis Nodes (P) : %" CeedInt_FMT "\n" 456 " Number of 1D Quadrature Points (Q) : %" CeedInt_FMT "\n" 457 " Global DoFs : %" PetscInt_FMT "\n" 458 " DoFs per node : %" PetscInt_FMT "\n" 459 " Global %" PetscInt_FMT "-DoF nodes : %" PetscInt_FMT "\n", 460 num_P, num_Q, glob_dofs, num_comp_q, num_comp_q, glob_dofs / num_comp_q)); 461 // -- Get Partition Statistics 462 PetscCall(PetscPrintf(comm, " Partition: (min,max,median,max/median)\n")); 463 { 464 PetscInt *gather_buffer = NULL; 465 PetscInt part_owned_dofs[3], part_local_dofs[3], part_boundary_dofs[3], part_neighbors[3]; 466 PetscInt median_index = comm_size % 2 ? comm_size / 2 : comm_size / 2 - 1; 467 if (!rank) PetscCall(PetscMalloc1(comm_size, &gather_buffer)); 468 469 PetscCallMPI(MPI_Gather(&owned_dofs, 1, MPIU_INT, gather_buffer, 1, MPIU_INT, 0, comm)); 470 if (!rank) { 471 PetscCall(PetscSortInt(comm_size, gather_buffer)); 472 part_owned_dofs[0] = gather_buffer[0]; // min 473 part_owned_dofs[1] = gather_buffer[comm_size - 1]; // max 474 part_owned_dofs[2] = gather_buffer[median_index]; // median 475 PetscReal part_owned_dof_ratio = (PetscReal)part_owned_dofs[1] / (PetscReal)part_owned_dofs[2]; 476 PetscCall(PetscPrintf( 477 comm, " Global Vector %" PetscInt_FMT "-DoF nodes : %" PetscInt_FMT ", %" PetscInt_FMT ", %" PetscInt_FMT ", %f\n", num_comp_q, 478 part_owned_dofs[0] / num_comp_q, part_owned_dofs[1] / num_comp_q, part_owned_dofs[2] / num_comp_q, part_owned_dof_ratio)); 479 } 480 481 PetscCallMPI(MPI_Gather(&local_dofs, 1, MPIU_INT, gather_buffer, 1, MPIU_INT, 0, comm)); 482 if (!rank) { 483 PetscCall(PetscSortInt(comm_size, gather_buffer)); 484 part_local_dofs[0] = gather_buffer[0]; // min 485 part_local_dofs[1] = gather_buffer[comm_size - 1]; // max 486 part_local_dofs[2] = gather_buffer[median_index]; // median 487 PetscReal part_local_dof_ratio = (PetscReal)part_local_dofs[1] / (PetscReal)part_local_dofs[2]; 488 PetscCall(PetscPrintf( 489 comm, " Local Vector %" PetscInt_FMT "-DoF nodes : %" PetscInt_FMT ", %" PetscInt_FMT ", %" PetscInt_FMT ", %f\n", num_comp_q, 490 part_local_dofs[0] / num_comp_q, part_local_dofs[1] / num_comp_q, part_local_dofs[2] / num_comp_q, part_local_dof_ratio)); 491 } 492 493 if (comm_size != 1) { 494 PetscInt num_remote_roots_total = 0, num_remote_leaves_total = 0, num_ghost_interface_ranks = 0, num_owned_interface_ranks = 0; 495 { 496 PetscSF sf; 497 PetscInt nrranks, niranks; 498 const PetscInt *roffset, *rmine, *rremote, *ioffset, *irootloc; 499 const PetscMPIInt *rranks, *iranks; 500 PetscCall(DMGetSectionSF(user->dm, &sf)); 501 PetscCall(PetscSFGetRootRanks(sf, &nrranks, &rranks, &roffset, &rmine, &rremote)); 502 PetscCall(PetscSFGetLeafRanks(sf, &niranks, &iranks, &ioffset, &irootloc)); 503 for (PetscInt i = 0; i < nrranks; i++) { 504 if (rranks[i] == rank) continue; // Ignore same-part global->local transfers 505 num_remote_roots_total += roffset[i + 1] - roffset[i]; 506 num_ghost_interface_ranks++; 507 } 508 for (PetscInt i = 0; i < niranks; i++) { 509 if (iranks[i] == rank) continue; 510 num_remote_leaves_total += ioffset[i + 1] - ioffset[i]; 511 num_owned_interface_ranks++; 512 } 513 } 514 PetscCallMPI(MPI_Gather(&num_remote_roots_total, 1, MPIU_INT, gather_buffer, 1, MPIU_INT, 0, comm)); 515 if (!rank) { 516 PetscCall(PetscSortInt(comm_size, gather_buffer)); 517 part_boundary_dofs[0] = gather_buffer[0]; // min 518 part_boundary_dofs[1] = gather_buffer[comm_size - 1]; // max 519 part_boundary_dofs[2] = gather_buffer[median_index]; // median 520 PetscReal part_shared_dof_ratio = (PetscReal)part_boundary_dofs[1] / (PetscReal)part_boundary_dofs[2]; 521 PetscCall(PetscPrintf( 522 comm, " Ghost Interface %" PetscInt_FMT "-DoF nodes : %" PetscInt_FMT ", %" PetscInt_FMT ", %" PetscInt_FMT ", %f\n", 523 num_comp_q, part_boundary_dofs[0] / num_comp_q, part_boundary_dofs[1] / num_comp_q, part_boundary_dofs[2] / num_comp_q, 524 part_shared_dof_ratio)); 525 } 526 527 PetscCallMPI(MPI_Gather(&num_ghost_interface_ranks, 1, MPIU_INT, gather_buffer, 1, MPIU_INT, 0, comm)); 528 if (!rank) { 529 PetscCall(PetscSortInt(comm_size, gather_buffer)); 530 part_neighbors[0] = gather_buffer[0]; // min 531 part_neighbors[1] = gather_buffer[comm_size - 1]; // max 532 part_neighbors[2] = gather_buffer[median_index]; // median 533 PetscReal part_neighbors_ratio = (PetscReal)part_neighbors[1] / (PetscReal)part_neighbors[2]; 534 PetscCall(PetscPrintf(comm, " Ghost Interface Ranks : %" PetscInt_FMT ", %" PetscInt_FMT ", %" PetscInt_FMT ", %f\n", 535 part_neighbors[0], part_neighbors[1], part_neighbors[2], part_neighbors_ratio)); 536 } 537 538 PetscCallMPI(MPI_Gather(&num_remote_leaves_total, 1, MPIU_INT, gather_buffer, 1, MPIU_INT, 0, comm)); 539 if (!rank) { 540 PetscCall(PetscSortInt(comm_size, gather_buffer)); 541 part_boundary_dofs[0] = gather_buffer[0]; // min 542 part_boundary_dofs[1] = gather_buffer[comm_size - 1]; // max 543 part_boundary_dofs[2] = gather_buffer[median_index]; // median 544 PetscReal part_shared_dof_ratio = (PetscReal)part_boundary_dofs[1] / (PetscReal)part_boundary_dofs[2]; 545 PetscCall(PetscPrintf( 546 comm, " Owned Interface %" PetscInt_FMT "-DoF nodes : %" PetscInt_FMT ", %" PetscInt_FMT ", %" PetscInt_FMT ", %f\n", 547 num_comp_q, part_boundary_dofs[0] / num_comp_q, part_boundary_dofs[1] / num_comp_q, part_boundary_dofs[2] / num_comp_q, 548 part_shared_dof_ratio)); 549 } 550 551 PetscCallMPI(MPI_Gather(&num_owned_interface_ranks, 1, MPIU_INT, gather_buffer, 1, MPIU_INT, 0, comm)); 552 if (!rank) { 553 PetscCall(PetscSortInt(comm_size, gather_buffer)); 554 part_neighbors[0] = gather_buffer[0]; // min 555 part_neighbors[1] = gather_buffer[comm_size - 1]; // max 556 part_neighbors[2] = gather_buffer[median_index]; // median 557 PetscReal part_neighbors_ratio = (PetscReal)part_neighbors[1] / (PetscReal)part_neighbors[2]; 558 PetscCall(PetscPrintf(comm, " Owned Interface Ranks : %" PetscInt_FMT ", %" PetscInt_FMT ", %" PetscInt_FMT ", %f\n", 559 part_neighbors[0], part_neighbors[1], part_neighbors[2], part_neighbors_ratio)); 560 } 561 } 562 563 if (!rank) PetscCall(PetscFree(gather_buffer)); 564 } 565 PetscFunctionReturn(PETSC_SUCCESS); 566 } 567