xref: /honee/src/cloptions.c (revision 481d14cbe61cedfaf9e39a526b7a6439011a8661)
1 // SPDX-FileCopyrightText: Copyright (c) 2017-2024, HONEE contributors.
2 // SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause
3 
4 /// @file
5 /// Command line option processing for Navier-Stokes example using PETSc
6 
7 #include <petscdevice.h>
8 #include <petscsys.h>
9 
10 #include <navierstokes.h>
11 
12 // Register problems to be available on the command line
13 PetscErrorCode RegisterProblems_NS(AppCtx app_ctx) {
14   app_ctx->problems = NULL;
15 
16   PetscFunctionBeginUser;
17   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "density_current", NS_DENSITY_CURRENT));
18   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "euler_vortex", NS_EULER_VORTEX));
19   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "shocktube", NS_SHOCKTUBE));
20   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "advection", NS_ADVECTION));
21   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "blasius", NS_BLASIUS));
22   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "channel", NS_CHANNEL));
23   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "gaussian_wave", NS_GAUSSIAN_WAVE));
24   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "newtonian", NS_NEWTONIAN_IG));
25   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "taylor_green", NS_TAYLOR_GREEN));
26   PetscFunctionReturn(PETSC_SUCCESS);
27 }
28 
29 // Process general command line options
30 PetscErrorCode ProcessCommandLineOptions(MPI_Comm comm, AppCtx app_ctx, SimpleBC bc) {
31   PetscBool ceed_flag    = PETSC_FALSE;
32   PetscBool problem_flag = PETSC_FALSE;
33   PetscBool option_set   = PETSC_FALSE;
34 
35   PetscFunctionBeginUser;
36   {
37     PetscInt num_options;
38 
39     PetscCall(PetscOptionsLeftGet(NULL, &num_options, NULL, NULL));
40     PetscCheck(num_options > 0, comm, PETSC_ERR_USER_INPUT,
41                "Command line options required."
42                " Please consult the documentation to see which options are required.");
43     PetscCall(PetscOptionsLeftRestore(NULL, &num_options, NULL, NULL));
44   }
45 
46   PetscOptionsBegin(comm, NULL, "Navier-Stokes in PETSc with libCEED", NULL);
47 
48   PetscCall(PetscOptionsString("-ceed", "CEED resource specifier", NULL, app_ctx->ceed_resource, app_ctx->ceed_resource,
49                                sizeof(app_ctx->ceed_resource), &ceed_flag));
50 
51   app_ctx->test_type = TESTTYPE_NONE;
52   PetscCall(PetscOptionsEnum("-test_type", "Type of test to run", NULL, TestTypes, (PetscEnum)(app_ctx->test_type), (PetscEnum *)&app_ctx->test_type,
53                              NULL));
54 
55   app_ctx->test_tol = 1E-11;
56   PetscCall(PetscOptionsScalar("-compare_final_state_atol", "Test absolute tolerance", NULL, app_ctx->test_tol, &app_ctx->test_tol, NULL));
57 
58   PetscCall(PetscOptionsString("-compare_final_state_filename", "Test filename", NULL, app_ctx->test_file_path, app_ctx->test_file_path,
59                                sizeof(app_ctx->test_file_path), NULL));
60 
61   PetscCall(PetscOptionsFList("-problem", "Problem to solve", NULL, app_ctx->problems, app_ctx->problem_name, app_ctx->problem_name,
62                               sizeof(app_ctx->problem_name), &problem_flag));
63 
64   app_ctx->viz_refine = 0;
65   PetscCall(PetscOptionsInt("-viz_refine", "Regular refinement levels for visualization", NULL, app_ctx->viz_refine, &app_ctx->viz_refine, NULL));
66 
67   app_ctx->checkpoint_interval = 10;
68   app_ctx->checkpoint_vtk      = PETSC_FALSE;
69   PetscCall(PetscOptionsDeprecated("-output_freq", "-checkpoint_interval", "libCEED 0.11.1", "Use -checkpoint_vtk true to include VTK output"));
70   PetscCall(PetscOptionsInt("-output_freq", "Frequency of output, in number of steps", NULL, app_ctx->checkpoint_interval,
71                             &app_ctx->checkpoint_interval, &option_set));
72   if (option_set) app_ctx->checkpoint_vtk = PETSC_TRUE;
73   PetscCall(PetscOptionsInt("-checkpoint_interval", "Frequency of output, in number of steps", NULL, app_ctx->checkpoint_interval,
74                             &app_ctx->checkpoint_interval, NULL));
75   PetscCall(PetscOptionsBool("-checkpoint_vtk", "Include VTK (*.vtu) output at each binary checkpoint", NULL, app_ctx->checkpoint_vtk,
76                              &app_ctx->checkpoint_vtk, NULL));
77 
78   PetscCall(PetscOptionsBool("-output_add_stepnum2bin", "Add step number to the binary outputs", NULL, app_ctx->add_stepnum2bin,
79                              &app_ctx->add_stepnum2bin, NULL));
80 
81   PetscCall(PetscStrncpy(app_ctx->output_dir, ".", 2));
82   PetscCall(PetscOptionsString("-output_dir", "Output directory", NULL, app_ctx->output_dir, app_ctx->output_dir, sizeof(app_ctx->output_dir), NULL));
83 
84   PetscCall(PetscOptionsString("-continue_filename", "Filename to get initial condition from", NULL, app_ctx->cont_file, app_ctx->cont_file,
85                                sizeof(app_ctx->cont_file), NULL));
86   if (app_ctx->cont_file[0] != '\0') app_ctx->use_continue_file = PETSC_TRUE;
87 
88   PetscCall(
89       PetscOptionsDeprecated("-continue", NULL, "HONEE 0.0.0", "Set -continue_filename to non-empty string to continue from previous solution"));
90   PetscCall(
91       PetscOptionsDeprecated("-continue_time_filename", NULL, "HONEE 0.0.0", "HONEE no longer supports reading in solution times from binary file"));
92 
93   app_ctx->degree = 1;
94   PetscCall(PetscOptionsInt("-degree", "Polynomial degree of finite elements", NULL, app_ctx->degree, &app_ctx->degree, NULL));
95 
96   app_ctx->q_extra = 0;
97   PetscCall(PetscOptionsInt("-q_extra", "Number of extra quadrature points", NULL, app_ctx->q_extra, &app_ctx->q_extra, NULL));
98 
99   {
100     PetscBool option_set;
101     char      amat_type[256] = "";
102     PetscCall(PetscOptionsFList("-amat_type", "Set the type of Amat distinct from Pmat (-dm_mat_type)", NULL, MatList, amat_type, amat_type,
103                                 sizeof(amat_type), &option_set));
104     if (option_set) PetscCall(PetscStrallocpy(amat_type, (char **)&app_ctx->amat_type));
105   }
106   {
107     PetscBool option_set;
108     PetscCall(PetscOptionsHasName(NULL, NULL, "-pmat_pbdiagonal", &option_set));
109     if (option_set) PetscCall(PetscPrintf(comm, "Warning! -pmat_pbdiagonal no longer used. Pmat assembly determined from -pc_type setting\n"));
110   }
111 
112   // Provide default ceed resource if not specified
113   if (!ceed_flag) {
114     const char *ceed_resource = "/cpu/self";
115     strncpy(app_ctx->ceed_resource, ceed_resource, 10);
116   }
117   // If we request a GPU, make sure PETSc has initialized its device (which is
118   // MPI-aware in case multiple devices are available) before CeedInit so that
119   // PETSc and libCEED agree about which device to use.
120   if (strncmp(app_ctx->ceed_resource, "/gpu", 4) == 0) PetscCall(PetscDeviceInitialize(PETSC_DEVICE_DEFAULT()));
121 
122   // Provide default problem if not specified
123   if (!problem_flag) {
124     const char *problem_name = "density_current";
125     strncpy(app_ctx->problem_name, problem_name, 16);
126   }
127 
128   // Statistics Options
129   app_ctx->turb_spanstats_collect_interval = 1;
130   PetscCall(PetscOptionsInt("-ts_monitor_turbulence_spanstats_collect_interval", "Number of timesteps between statistics collection", NULL,
131                             app_ctx->turb_spanstats_collect_interval, &app_ctx->turb_spanstats_collect_interval, NULL));
132 
133   app_ctx->turb_spanstats_viewer_interval = -1;
134   PetscCall(PetscOptionsInt("-ts_monitor_turbulence_spanstats_viewer_interval", "Number of timesteps between statistics viewer writing", NULL,
135                             app_ctx->turb_spanstats_viewer_interval, &app_ctx->turb_spanstats_viewer_interval, NULL));
136 
137   PetscCall(PetscOptionsViewer("-ts_monitor_turbulence_spanstats_viewer", "Viewer for the statistics", NULL, &app_ctx->turb_spanstats_viewer,
138                                &app_ctx->turb_spanstats_viewer_format, &app_ctx->turb_spanstats_enable));
139 
140   PetscCall(PetscOptionsViewer("-ts_monitor_wall_force", "Viewer for force on each (no-slip) wall", NULL, &app_ctx->wall_forces.viewer,
141                                &app_ctx->wall_forces.viewer_format, NULL));
142 
143   // SGS Model Options
144   app_ctx->sgs_model_type = SGS_MODEL_NONE;
145   PetscCall(PetscOptionsEnum("-sgs_model_type", "Subgrid Stress Model type", NULL, SGSModelTypes, (PetscEnum)app_ctx->sgs_model_type,
146                              (PetscEnum *)&app_ctx->sgs_model_type, NULL));
147 
148   PetscCall(PetscOptionsBool("-diff_filter_monitor", "Enable differential filtering TSMonitor", NULL, app_ctx->diff_filter_monitor,
149                              &app_ctx->diff_filter_monitor, NULL));
150 
151   // Mesh Transformation Options
152   app_ctx->mesh_transform_type = MESH_TRANSFORM_NONE;
153   PetscCall(PetscOptionsEnum("-mesh_transform", "Mesh transform to perform", NULL, MeshTransformTypes, (PetscEnum)app_ctx->mesh_transform_type,
154                              (PetscEnum *)&app_ctx->mesh_transform_type, NULL));
155 
156   PetscCall(
157       PetscOptionsBool("-sgs_train_enable", "Enable Data-Driven SGS training", NULL, app_ctx->sgs_train_enable, &app_ctx->sgs_train_enable, NULL));
158 
159   PetscCall(PetscOptionsEnum("-div_diff_flux_projection_method", "Method of divergence of diffusive flux projection", NULL,
160                              DivDiffFluxProjectionMethods, (PetscEnum)(app_ctx->divFdiffproj_method), (PetscEnum *)&app_ctx->divFdiffproj_method,
161                              NULL));
162 
163   PetscOptionsEnd();
164   PetscFunctionReturn(PETSC_SUCCESS);
165 }
166