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 PetscFunctionBeginUser; 54 { // Capture initial condition values in Qbc 55 Vec Qbc; 56 57 PetscCall(DMGetNamedLocalVector(dm, "Qbc", &Qbc)); 58 PetscCall(VecCopy(Q_loc, Qbc)); 59 PetscCall(VecZeroEntries(Q_loc)); 60 PetscCall(DMGlobalToLocal(dm, Q, INSERT_VALUES, Q_loc)); 61 PetscCall(VecAXPY(Qbc, -1., Q_loc)); 62 PetscCall(DMRestoreNamedLocalVector(dm, "Qbc", &Qbc)); 63 } 64 PetscCall(PetscObjectComposeFunction((PetscObject)dm, "DMPlexInsertBoundaryValues_C", DMPlexInsertBoundaryValues_FromICs)); 65 66 { // Set boundary mask to zero out essential BCs 67 Vec boundary_mask, ones; 68 69 PetscCall(DMGetNamedLocalVector(dm, "boundary mask", &boundary_mask)); 70 PetscCall(DMGetGlobalVector(dm, &ones)); 71 PetscCall(VecZeroEntries(boundary_mask)); 72 PetscCall(VecSet(ones, 1.0)); 73 PetscCall(DMGlobalToLocal(dm, ones, INSERT_VALUES, boundary_mask)); 74 PetscCall(DMRestoreNamedLocalVector(dm, "boundary mask", &boundary_mask)); 75 PetscCall(DMRestoreGlobalVector(dm, &ones)); 76 } 77 PetscFunctionReturn(PETSC_SUCCESS); 78 } 79 80 PetscErrorCode DMPlexInsertBoundaryValues_FromICs(DM dm, PetscBool insert_essential, Vec Q_loc, PetscReal time, Vec face_geom_FVM, Vec cell_geom_FVM, 81 Vec grad_FVM) { 82 Vec Qbc, boundary_mask; 83 84 PetscFunctionBeginUser; 85 // Mask (zero) Strong BC entries 86 PetscCall(DMGetNamedLocalVector(dm, "boundary mask", &boundary_mask)); 87 PetscCall(VecPointwiseMult(Q_loc, Q_loc, boundary_mask)); 88 PetscCall(DMRestoreNamedLocalVector(dm, "boundary mask", &boundary_mask)); 89 90 PetscCall(DMGetNamedLocalVector(dm, "Qbc", &Qbc)); 91 PetscCall(VecAXPY(Q_loc, 1., Qbc)); 92 PetscCall(DMRestoreNamedLocalVector(dm, "Qbc", &Qbc)); 93 PetscFunctionReturn(PETSC_SUCCESS); 94 } 95 96 static PetscErrorCode BinaryReadIntoInt(PetscViewer viewer, PetscInt *out, PetscDataType file_type) { 97 PetscFunctionBeginUser; 98 *out = -13; // appease the overzealous GCC compiler warning Gods 99 if (file_type == PETSC_INT32) { 100 PetscInt32 val; 101 PetscCall(PetscViewerBinaryRead(viewer, &val, 1, NULL, PETSC_INT32)); 102 *out = val; 103 } else if (file_type == PETSC_INT64) { 104 PetscInt64 val; 105 PetscCall(PetscViewerBinaryRead(viewer, &val, 1, NULL, PETSC_INT64)); 106 *out = val; 107 } else { 108 PetscCall(PetscViewerBinaryRead(viewer, out, 1, NULL, PETSC_INT)); 109 } 110 PetscFunctionReturn(PETSC_SUCCESS); 111 } 112 113 // @brief Load vector from binary file, possibly with embedded solution time and step number 114 PetscErrorCode LoadFluidsBinaryVec(MPI_Comm comm, PetscViewer viewer, Vec Q, PetscReal *time, PetscInt *step_number) { 115 PetscInt file_step_number; 116 PetscInt32 token; 117 PetscReal file_time; 118 PetscDataType file_type = PETSC_INT32; 119 120 PetscFunctionBeginUser; 121 PetscCall(PetscViewerBinaryRead(viewer, &token, 1, NULL, PETSC_INT32)); 122 if (token == FLUIDS_FILE_TOKEN_32 || token == FLUIDS_FILE_TOKEN_64 || 123 token == FLUIDS_FILE_TOKEN) { // New style format; we're reading a file with step number and time in the header 124 if (token == FLUIDS_FILE_TOKEN_32) file_type = PETSC_INT32; 125 else if (token == FLUIDS_FILE_TOKEN_64) file_type = PETSC_INT64; 126 PetscCall(BinaryReadIntoInt(viewer, &file_step_number, file_type)); 127 PetscCall(PetscViewerBinaryRead(viewer, &file_time, 1, NULL, PETSC_REAL)); 128 if (time) *time = file_time; 129 if (step_number) *step_number = file_step_number; 130 } else if (token == VEC_FILE_CLASSID) { // Legacy format of just the vector, encoded as [VEC_FILE_CLASSID, length, ] 131 PetscInt length, N; 132 PetscCall(BinaryReadIntoInt(viewer, &length, file_type)); 133 PetscCall(VecGetSize(Q, &N)); 134 PetscCheck(length == N, comm, PETSC_ERR_ARG_INCOMP, "File Vec has length %" PetscInt_FMT " but DM has global Vec size %" PetscInt_FMT, length, N); 135 PetscCall(PetscViewerBinarySetSkipHeader(viewer, PETSC_TRUE)); 136 } else SETERRQ(comm, PETSC_ERR_FILE_UNEXPECTED, "Not a fluids header token or a PETSc Vec in file"); 137 138 PetscCall(VecLoad(Q, viewer)); 139 PetscFunctionReturn(PETSC_SUCCESS); 140 } 141 142 // Compare reference solution values with current test run for CI 143 PetscErrorCode RegressionTest(AppCtx app_ctx, Vec Q) { 144 Vec Qref; 145 PetscViewer viewer; 146 PetscReal error, Qrefnorm; 147 MPI_Comm comm = PetscObjectComm((PetscObject)Q); 148 149 PetscFunctionBeginUser; 150 // Read reference file 151 PetscCall(VecDuplicate(Q, &Qref)); 152 PetscCheck(strcmp(app_ctx->test_file_path, "") != 0, comm, PETSC_ERR_FILE_READ, "File for regression test not given"); 153 PetscCall(PetscViewerBinaryOpen(comm, app_ctx->test_file_path, FILE_MODE_READ, &viewer)); 154 PetscCall(LoadFluidsBinaryVec(comm, viewer, Qref, NULL, NULL)); 155 156 // Compute error with respect to reference solution 157 PetscCall(VecAXPY(Q, -1.0, Qref)); 158 PetscCall(VecNorm(Qref, NORM_MAX, &Qrefnorm)); 159 PetscCall(VecScale(Q, 1. / Qrefnorm)); 160 PetscCall(VecNorm(Q, NORM_MAX, &error)); 161 162 // Check error 163 if (error > app_ctx->test_tol) { 164 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test failed with error norm %g\n", (double)error)); 165 } 166 167 // Cleanup 168 PetscCall(PetscViewerDestroy(&viewer)); 169 PetscCall(VecDestroy(&Qref)); 170 PetscFunctionReturn(PETSC_SUCCESS); 171 } 172 173 // Get error for problems with exact solutions 174 PetscErrorCode PrintError(CeedData ceed_data, DM dm, User user, Vec Q, PetscScalar final_time) { 175 PetscInt loc_nodes; 176 Vec Q_exact, Q_exact_loc; 177 PetscReal rel_error, norm_error, norm_exact; 178 179 PetscFunctionBeginUser; 180 // Get exact solution at final time 181 PetscCall(DMGetGlobalVector(dm, &Q_exact)); 182 PetscCall(DMGetLocalVector(dm, &Q_exact_loc)); 183 PetscCall(VecGetSize(Q_exact_loc, &loc_nodes)); 184 PetscCall(ICs_FixMultiplicity(dm, ceed_data, user, Q_exact_loc, Q_exact, final_time)); 185 186 // Get |exact solution - obtained solution| 187 PetscCall(VecNorm(Q_exact, NORM_1, &norm_exact)); 188 PetscCall(VecAXPY(Q, -1.0, Q_exact)); 189 PetscCall(VecNorm(Q, NORM_1, &norm_error)); 190 191 rel_error = norm_error / norm_exact; 192 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Relative Error: %g\n", (double)rel_error)); 193 PetscCall(DMRestoreLocalVector(dm, &Q_exact_loc)); 194 PetscCall(DMRestoreGlobalVector(dm, &Q_exact)); 195 PetscFunctionReturn(PETSC_SUCCESS); 196 } 197 198 // Post-processing 199 PetscErrorCode PostProcess(TS ts, CeedData ceed_data, DM dm, ProblemData problem, User user, Vec Q, PetscScalar final_time) { 200 PetscInt steps; 201 TSConvergedReason reason; 202 203 PetscFunctionBeginUser; 204 // Print relative error 205 if (problem->compute_exact_solution_error && user->app_ctx->test_type == TESTTYPE_NONE) { 206 PetscCall(PrintError(ceed_data, dm, user, Q, final_time)); 207 } 208 209 // Print final time and number of steps 210 PetscCall(TSGetStepNumber(ts, &steps)); 211 PetscCall(TSGetConvergedReason(ts, &reason)); 212 if (user->app_ctx->test_type == TESTTYPE_NONE) { 213 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Time integrator %s on time step %" PetscInt_FMT " with final time %g\n", TSConvergedReasons[reason], 214 steps, (double)final_time)); 215 } 216 217 // Output numerical values from command line 218 PetscCall(VecViewFromOptions(Q, NULL, "-vec_view")); 219 220 // Compare reference solution values with current test run for CI 221 if (user->app_ctx->test_type == TESTTYPE_SOLVER) { 222 PetscCall(RegressionTest(user->app_ctx, Q)); 223 } 224 PetscFunctionReturn(PETSC_SUCCESS); 225 } 226 227 const PetscInt32 FLUIDS_FILE_TOKEN = 0xceedf00; // for backwards compatibility 228 const PetscInt32 FLUIDS_FILE_TOKEN_32 = 0xceedf32; 229 const PetscInt32 FLUIDS_FILE_TOKEN_64 = 0xceedf64; 230 231 // Gather initial Q values in case of continuation of simulation 232 PetscErrorCode SetupICsFromBinary(MPI_Comm comm, AppCtx app_ctx, Vec Q) { 233 PetscViewer viewer; 234 235 PetscFunctionBeginUser; 236 PetscCall(PetscViewerBinaryOpen(comm, app_ctx->cont_file, FILE_MODE_READ, &viewer)); 237 PetscCall(LoadFluidsBinaryVec(comm, viewer, Q, &app_ctx->cont_time, &app_ctx->cont_steps)); 238 PetscCall(PetscViewerDestroy(&viewer)); 239 PetscFunctionReturn(PETSC_SUCCESS); 240 } 241 242 // Free a plain data context that was allocated using PETSc; returning libCEED error codes 243 int FreeContextPetsc(void *data) { 244 if (PetscFree(data)) return CeedError(NULL, CEED_ERROR_ACCESS, "PetscFree failed"); 245 return CEED_ERROR_SUCCESS; 246 } 247 248 // Return mass qfunction specification for number of components N 249 PetscErrorCode CreateMassQFunction(Ceed ceed, CeedInt N, CeedInt q_data_size, CeedQFunction *qf) { 250 PetscFunctionBeginUser; 251 switch (N) { 252 case 1: 253 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, Mass_1, Mass_1_loc, qf)); 254 break; 255 case 5: 256 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, Mass_5, Mass_5_loc, qf)); 257 break; 258 case 7: 259 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, Mass_7, Mass_7_loc, qf)); 260 break; 261 case 9: 262 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, Mass_9, Mass_9_loc, qf)); 263 break; 264 case 22: 265 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, Mass_22, Mass_22_loc, qf)); 266 break; 267 default: 268 SETERRQ(PETSC_COMM_WORLD, PETSC_ERR_SUP, "Could not find mass qfunction of size %d", N); 269 } 270 271 PetscCallCeed(ceed, CeedQFunctionAddInput(*qf, "u", N, CEED_EVAL_INTERP)); 272 PetscCallCeed(ceed, CeedQFunctionAddInput(*qf, "qdata", q_data_size, CEED_EVAL_NONE)); 273 PetscCallCeed(ceed, CeedQFunctionAddOutput(*qf, "v", N, CEED_EVAL_INTERP)); 274 PetscCallCeed(ceed, CeedQFunctionSetUserFlopsEstimate(*qf, N)); 275 PetscFunctionReturn(PETSC_SUCCESS); 276 } 277 278 PetscErrorCode NodalProjectionDataDestroy(NodalProjectionData context) { 279 PetscFunctionBeginUser; 280 if (context == NULL) PetscFunctionReturn(PETSC_SUCCESS); 281 282 PetscCall(DMDestroy(&context->dm)); 283 PetscCall(KSPDestroy(&context->ksp)); 284 285 PetscCall(OperatorApplyContextDestroy(context->l2_rhs_ctx)); 286 287 PetscCall(PetscFree(context)); 288 PetscFunctionReturn(PETSC_SUCCESS); 289 } 290 291 /* 292 * @brief Open a PHASTA *.dat file, grabbing dimensions and file pointer 293 * 294 * This function opens the file specified by `path` using `PetscFOpen` and passes the file pointer in `fp`. 295 * It is not closed in this function, thus `fp` must be closed sometime after this function has been called (using `PetscFClose` for example). 296 * 297 * 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. 298 * 299 * @param[in] comm MPI_Comm for the program 300 * @param[in] path Path to the file 301 * @param[in] char_array_len Length of the character array that should contain each line 302 * @param[out] dims Dimensions of the file, taken from the first line of the file 303 * @param[out] fp File pointer to the opened file 304 */ 305 PetscErrorCode PhastaDatFileOpen(const MPI_Comm comm, const char path[PETSC_MAX_PATH_LEN], const PetscInt char_array_len, PetscInt dims[2], 306 FILE **fp) { 307 int ndims; 308 char line[char_array_len]; 309 char **array; 310 311 PetscFunctionBeginUser; 312 PetscCall(PetscFOpen(comm, path, "r", fp)); 313 PetscCall(PetscSynchronizedFGets(comm, *fp, char_array_len, line)); 314 PetscCall(PetscStrToArray(line, ' ', &ndims, &array)); 315 PetscCheck(ndims == 2, comm, PETSC_ERR_FILE_UNEXPECTED, "Found %d dimensions instead of 2 on the first line of %s", ndims, path); 316 317 for (PetscInt i = 0; i < ndims; i++) dims[i] = atoi(array[i]); 318 PetscCall(PetscStrToArrayDestroy(ndims, array)); 319 PetscFunctionReturn(PETSC_SUCCESS); 320 } 321 322 /* 323 * @brief Get the number of rows for the PHASTA file at path. 324 * 325 * 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. 326 * 327 * @param[in] comm MPI_Comm for the program 328 * @param[in] path Path to the file 329 * @param[out] nrows Number of rows 330 */ 331 PetscErrorCode PhastaDatFileGetNRows(const MPI_Comm comm, const char path[PETSC_MAX_PATH_LEN], PetscInt *nrows) { 332 const PetscInt char_array_len = 512; 333 PetscInt dims[2]; 334 FILE *fp; 335 336 PetscFunctionBeginUser; 337 PetscCall(PhastaDatFileOpen(comm, path, char_array_len, dims, &fp)); 338 *nrows = dims[0]; 339 PetscCall(PetscFClose(comm, fp)); 340 PetscFunctionReturn(PETSC_SUCCESS); 341 } 342 343 PetscErrorCode PhastaDatFileReadToArrayReal(MPI_Comm comm, const char path[PETSC_MAX_PATH_LEN], PetscReal array[]) { 344 PetscInt dims[2]; 345 FILE *fp; 346 const PetscInt char_array_len = 512; 347 char line[char_array_len]; 348 349 PetscFunctionBeginUser; 350 PetscCall(PhastaDatFileOpen(comm, path, char_array_len, dims, &fp)); 351 352 for (PetscInt i = 0; i < dims[0]; i++) { 353 int ndims; 354 char **row_array; 355 356 PetscCall(PetscSynchronizedFGets(comm, fp, char_array_len, line)); 357 PetscCall(PetscStrToArray(line, ' ', &ndims, &row_array)); 358 PetscCheck(ndims == dims[1], comm, PETSC_ERR_FILE_UNEXPECTED, 359 "Line %" PetscInt_FMT " of %s does not contain enough columns (%d instead of %" PetscInt_FMT ")", i, path, ndims, dims[1]); 360 361 for (PetscInt j = 0; j < dims[1]; j++) array[i * dims[1] + j] = (PetscReal)atof(row_array[j]); 362 PetscCall(PetscStrToArrayDestroy(ndims, row_array)); 363 } 364 365 PetscCall(PetscFClose(comm, fp)); 366 PetscFunctionReturn(PETSC_SUCCESS); 367 } 368 369 // Print information about the given simulation run 370 PetscErrorCode PrintRunInfo(User user, Physics phys_ctx, ProblemData problem, TS ts) { 371 Ceed ceed = user->ceed; 372 MPI_Comm comm = PetscObjectComm((PetscObject)ts); 373 374 PetscFunctionBeginUser; 375 // Header and rank 376 char host_name[PETSC_MAX_PATH_LEN]; 377 PetscMPIInt rank, comm_size; 378 PetscCall(PetscGetHostName(host_name, sizeof host_name)); 379 PetscCallMPI(MPI_Comm_rank(comm, &rank)); 380 PetscCallMPI(MPI_Comm_size(comm, &comm_size)); 381 PetscCall(PetscPrintf(comm, 382 "\n-- Navier-Stokes solver - libCEED + PETSc --\n" 383 " MPI:\n" 384 " Host Name : %s\n" 385 " Total ranks : %d\n", 386 host_name, comm_size)); 387 388 // Problem specific info 389 PetscCall(problem->print_info(user, problem, user->app_ctx)); 390 391 // libCEED 392 const char *used_resource; 393 CeedMemType mem_type_backend; 394 PetscCallCeed(ceed, CeedGetResource(user->ceed, &used_resource)); 395 PetscCallCeed(ceed, CeedGetPreferredMemType(user->ceed, &mem_type_backend)); 396 PetscCall(PetscPrintf(comm, 397 " libCEED:\n" 398 " libCEED Backend : %s\n" 399 " libCEED Backend MemType : %s\n", 400 used_resource, CeedMemTypes[mem_type_backend])); 401 // PETSc 402 VecType vec_type; 403 char box_faces_str[PETSC_MAX_PATH_LEN] = "3,3,3"; 404 if (problem->dim == 2) box_faces_str[3] = '\0'; 405 PetscCall(PetscOptionsGetString(NULL, NULL, "-dm_plex_box_faces", box_faces_str, sizeof(box_faces_str), NULL)); 406 PetscCall(DMGetVecType(user->dm, &vec_type)); 407 PetscCall(PetscPrintf(comm, 408 " PETSc:\n" 409 " Box Faces : %s\n" 410 " DM VecType : %s\n" 411 " Time Stepping Scheme : %s\n", 412 box_faces_str, vec_type, phys_ctx->implicit ? "implicit" : "explicit")); 413 { 414 char pmat_type_str[PETSC_MAX_PATH_LEN]; 415 MatType amat_type, pmat_type; 416 Mat Amat, Pmat; 417 TSIJacobianFn *ijacob_function; 418 419 PetscCall(TSGetIJacobian(ts, &Amat, &Pmat, &ijacob_function, NULL)); 420 PetscCall(MatGetType(Amat, &amat_type)); 421 PetscCall(MatGetType(Pmat, &pmat_type)); 422 423 PetscCall(PetscStrncpy(pmat_type_str, pmat_type, sizeof(pmat_type_str))); 424 if (!strcmp(pmat_type, MATCEED)) { 425 MatType pmat_coo_type; 426 char pmat_coo_type_str[PETSC_MAX_PATH_LEN]; 427 428 PetscCall(MatCeedGetCOOMatType(Pmat, &pmat_coo_type)); 429 PetscCall(PetscSNPrintf(pmat_coo_type_str, sizeof(pmat_coo_type_str), " (COO MatType: %s)", pmat_coo_type)); 430 PetscCall(PetscStrlcat(pmat_type_str, pmat_coo_type_str, sizeof(pmat_type_str))); 431 } 432 if (ijacob_function) { 433 PetscCall(PetscPrintf(comm, 434 " IJacobian A MatType : %s\n" 435 " IJacobian P MatType : %s\n", 436 amat_type, pmat_type_str)); 437 } 438 } 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