xref: /honee/src/cloptions.c (revision 83eaf542a277e40c3d9856f14bbb39f919b0a979)
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 HONEE
6 
7 #include <ctype.h>
8 #include <petscdevice.h>
9 #include <petscsys.h>
10 
11 #include <navierstokes.h>
12 
13 // Register problems to be available on the command line
14 static PetscErrorCode RegisterProblems_NS(AppCtx app_ctx) {
15   app_ctx->problems = NULL;
16 
17   PetscFunctionBeginUser;
18   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "density_current", NS_DENSITY_CURRENT));
19   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "euler_vortex", NS_EULER_VORTEX));
20   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "shocktube", NS_SHOCKTUBE));
21   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "advection", NS_ADVECTION));
22   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "blasius", NS_BLASIUS));
23   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "channel", NS_CHANNEL));
24   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "gaussian_wave", NS_GAUSSIAN_WAVE));
25   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "newtonian", NS_NEWTONIAN_IG));
26   PetscCall(PetscFunctionListAdd(&app_ctx->problems, "taylor_green", NS_TAYLOR_GREEN));
27   PetscFunctionReturn(PETSC_SUCCESS);
28 }
29 
30 /**
31   @brief Convert ISO 8601 time string to duration in seconds
32 
33   Accepted formats are 'hh', 'hh:mm', and 'hh:mm:ss'.
34 
35   @param[in]  comm     MPI_Comm for error handling
36   @param[in]  string   string of the ISO 8601 duration
37   @param[out] duration Duration in number of seconds
38 **/
39 PetscErrorCode ISO8601TimeDurationToSeconds(MPI_Comm comm, const char *string, time_t *duration) {
40   int    num_items;
41   char **entries;
42 
43   PetscFunctionBeginUser;
44   if (string[0] == '\0') {
45     *duration = 0;
46     PetscFunctionReturn(PETSC_SUCCESS);
47   }
48   for (PetscInt i = 0; i < strlen(string); i++) {
49     PetscCheck(isdigit(string[i]) || string[i] == ':', comm, PETSC_ERR_SUP, "Time duration may only include digits and ':' separator, found '%c'",
50                string[i]);
51   }
52   PetscCall(PetscStrToArray(string, ':', &num_items, &entries));
53   switch (num_items) {
54     case 1:  // Only hours
55       *duration = 60 * 60 * atoi(entries[0]);
56       break;
57     case 2:  // Hours and Minutes
58       *duration = 60 * 60 * atoi(entries[0]) + 60 * atoi(entries[1]);
59       break;
60     case 3:  // Hours, Minutes, and Seconds
61       *duration = 60 * 60 * atoi(entries[0]) + 60 * atoi(entries[1]) + atoi(entries[2]);
62       break;
63     default:
64       SETERRQ(comm, PETSC_ERR_SUP, "Recieved %d ':' delimited entries, expect either 1, 2, or 3", num_items);
65   }
66   PetscCall(PetscStrToArrayDestroy(num_items, entries));
67   PetscFunctionReturn(PETSC_SUCCESS);
68 }
69 
70 // Process general command line options
71 PetscErrorCode ProcessCommandLineOptions(Honee honee, SimpleBC bc) {
72   MPI_Comm  comm         = honee->comm;
73   AppCtx    app_ctx      = honee->app_ctx;
74   PetscBool ceed_flag    = PETSC_FALSE;
75   PetscBool problem_flag = PETSC_FALSE;
76   PetscBool option_set   = PETSC_FALSE;
77 
78   PetscFunctionBeginUser;
79   {
80     PetscInt  num_options;
81     PetscBool help_set;
82 
83     PetscCall(PetscOptionsHasHelp(NULL, &help_set));
84     if (help_set) {
85       PetscCall(PetscOptionsSetValue(NULL, "-ts_max_steps", "0"));
86     } else {
87       PetscCall(PetscOptionsLeftGet(NULL, &num_options, NULL, NULL));
88       PetscCheck(num_options > 0, comm, PETSC_ERR_USER_INPUT,
89                  "Command line options required."
90                  " Please consult the documentation to see which options are required.");
91       PetscCall(PetscOptionsLeftRestore(NULL, &num_options, NULL, NULL));
92     }
93   }
94 
95   PetscCall(RegisterProblems_NS(app_ctx));
96   PetscOptionsBegin(comm, NULL, "HONEE - High-Order Navier-stokes Equation Evaluator", NULL);
97 
98   PetscCall(PetscOptionsString("-ceed", "CEED resource specifier", NULL, app_ctx->ceed_resource, app_ctx->ceed_resource,
99                                sizeof(app_ctx->ceed_resource), &ceed_flag));
100 
101   app_ctx->test_type = TESTTYPE_NONE;
102   PetscCall(PetscOptionsEnum("-test_type", "Type of test to run", NULL, TestTypes, (PetscEnum)(app_ctx->test_type), (PetscEnum *)&app_ctx->test_type,
103                              NULL));
104 
105   app_ctx->test_tol = 1E-11;
106   PetscCall(PetscOptionsScalar("-compare_final_state_atol", "Test absolute tolerance", NULL, app_ctx->test_tol, &app_ctx->test_tol, NULL));
107 
108   PetscCall(PetscOptionsString("-compare_final_state_filename", "Test filename", NULL, app_ctx->test_file_path, app_ctx->test_file_path,
109                                sizeof(app_ctx->test_file_path), NULL));
110 
111   PetscCall(PetscOptionsFList("-problem", "Problem to solve", NULL, app_ctx->problems, app_ctx->problem_name, app_ctx->problem_name,
112                               sizeof(app_ctx->problem_name), &problem_flag));
113 
114   app_ctx->viz_refine = 0;
115   PetscCall(PetscOptionsInt("-viz_refine", "Regular refinement levels for visualization", NULL, app_ctx->viz_refine, &app_ctx->viz_refine, NULL));
116 
117   app_ctx->checkpoint_interval = 0;
118   app_ctx->checkpoint_vtk      = PETSC_FALSE;
119   PetscCall(PetscOptionsDeprecated("-output_freq", "-checkpoint_interval", "libCEED 0.11.1", "Use -checkpoint_vtk true to include VTK output"));
120   PetscCall(PetscOptionsInt("-output_freq", "Frequency of output, in number of steps", NULL, app_ctx->checkpoint_interval,
121                             &app_ctx->checkpoint_interval, &option_set));
122   if (option_set) app_ctx->checkpoint_vtk = PETSC_TRUE;
123   PetscCall(PetscOptionsInt("-checkpoint_interval", "Frequency of output, in number of steps", NULL, app_ctx->checkpoint_interval,
124                             &app_ctx->checkpoint_interval, NULL));
125   PetscCall(PetscOptionsBool("-checkpoint_vtk", "Include VTK (*.vtu) output at each binary checkpoint", NULL, app_ctx->checkpoint_vtk,
126                              &app_ctx->checkpoint_vtk, NULL));
127 
128   PetscCall(PetscOptionsBool("-output_add_stepnum2bin", "Add step number to the binary outputs", NULL, app_ctx->add_stepnum2bin,
129                              &app_ctx->add_stepnum2bin, NULL));
130 
131   PetscCall(PetscStrncpy(app_ctx->output_dir, ".", 2));
132   PetscCall(PetscOptionsString("-output_dir", "Output directory", NULL, app_ctx->output_dir, app_ctx->output_dir, sizeof(app_ctx->output_dir), NULL));
133   PetscMPIInt rank;
134   MPI_Comm_rank(comm, &rank);
135   if (!rank) PetscCall(PetscMkdir(app_ctx->output_dir));
136 
137   PetscCall(PetscOptionsString("-continue_filename", "Filename to get initial condition from", NULL, app_ctx->cont_file, app_ctx->cont_file,
138                                sizeof(app_ctx->cont_file), NULL));
139   if (app_ctx->cont_file[0] != '\0') app_ctx->use_continue_file = PETSC_TRUE;
140 
141   PetscCall(
142       PetscOptionsDeprecated("-continue", NULL, "HONEE 0.0.0", "Set -continue_filename to non-empty string to continue from previous solution"));
143   PetscCall(
144       PetscOptionsDeprecated("-continue_time_filename", NULL, "HONEE 0.0.0", "HONEE no longer supports reading in solution times from binary file"));
145 
146   app_ctx->degree = 1;
147   PetscCall(PetscOptionsInt("-degree", "Polynomial degree of finite elements", NULL, app_ctx->degree, &app_ctx->degree, NULL));
148 
149   app_ctx->q_extra = 0;
150   PetscCall(PetscOptionsInt("-q_extra", "Number of extra quadrature points", NULL, app_ctx->q_extra, &app_ctx->q_extra, NULL));
151 
152   {
153     PetscBool option_set;
154     char      amat_type[256] = "";
155     PetscCall(PetscOptionsFList("-amat_type", "Set the type of Amat distinct from Pmat (-dm_mat_type)", NULL, MatList, amat_type, amat_type,
156                                 sizeof(amat_type), &option_set));
157     if (option_set) PetscCall(PetscStrallocpy(amat_type, (char **)&app_ctx->amat_type));
158   }
159   {
160     PetscBool option_set;
161     PetscCall(PetscOptionsHasName(NULL, NULL, "-pmat_pbdiagonal", &option_set));
162     if (option_set) PetscCall(PetscPrintf(comm, "Warning! -pmat_pbdiagonal no longer used. Pmat assembly determined from -pc_type setting\n"));
163   }
164 
165   // Provide default ceed resource if not specified
166   if (!ceed_flag) {
167     const char *ceed_resource = "/cpu/self";
168     strncpy(app_ctx->ceed_resource, ceed_resource, 10);
169   }
170   // If we request a GPU, make sure PETSc has initialized its device (which is
171   // MPI-aware in case multiple devices are available) before CeedInit so that
172   // PETSc and libCEED agree about which device to use.
173   if (strncmp(app_ctx->ceed_resource, "/gpu", 4) == 0) PetscCall(PetscDeviceInitialize(PETSC_DEVICE_DEFAULT()));
174 
175   // Provide default problem if not specified
176   if (!problem_flag) {
177     const char *problem_name = "density_current";
178     strncpy(app_ctx->problem_name, problem_name, 16);
179   }
180 
181   // Statistics Options
182   app_ctx->turb_spanstats_collect_interval = 1;
183   PetscCall(PetscOptionsInt("-ts_monitor_turbulence_spanstats_collect_interval", "Number of timesteps between statistics collection", NULL,
184                             app_ctx->turb_spanstats_collect_interval, &app_ctx->turb_spanstats_collect_interval, NULL));
185 
186   app_ctx->turb_spanstats_viewer_interval = -1;
187   PetscCall(PetscOptionsInt("-ts_monitor_turbulence_spanstats_viewer_interval", "Number of timesteps between statistics viewer writing", NULL,
188                             app_ctx->turb_spanstats_viewer_interval, &app_ctx->turb_spanstats_viewer_interval, NULL));
189 
190   PetscCall(PetscOptionsViewer("-ts_monitor_turbulence_spanstats_viewer", "Viewer for the statistics", NULL, &app_ctx->turb_spanstats_viewer,
191                                &app_ctx->turb_spanstats_viewer_format, &app_ctx->turb_spanstats_enable));
192 
193   PetscCall(PetscOptionsViewer("-ts_monitor_wall_force", "Viewer for force on each (no-slip) wall", NULL, &app_ctx->wall_forces.viewer,
194                                &app_ctx->wall_forces.viewer_format, NULL));
195 
196   // SGS Model Options
197   app_ctx->sgs_model_type = SGS_MODEL_NONE;
198   PetscCall(PetscOptionsEnum("-sgs_model_type", "Subgrid Stress Model type", NULL, SGSModelTypes, (PetscEnum)app_ctx->sgs_model_type,
199                              (PetscEnum *)&app_ctx->sgs_model_type, NULL));
200 
201   PetscCall(PetscOptionsBool("-diff_filter_monitor", "Enable differential filtering TSMonitor", NULL, app_ctx->diff_filter_monitor,
202                              &app_ctx->diff_filter_monitor, NULL));
203 
204   // Mesh Transformation Options
205   app_ctx->mesh_transform_type = MESH_TRANSFORM_NONE;
206   PetscCall(PetscOptionsEnum("-mesh_transform", "Mesh transform to perform", NULL, MeshTransformTypes, (PetscEnum)app_ctx->mesh_transform_type,
207                              (PetscEnum *)&app_ctx->mesh_transform_type, NULL));
208 
209   PetscCall(
210       PetscOptionsBool("-sgs_train_enable", "Enable Data-Driven SGS training", NULL, app_ctx->sgs_train_enable, &app_ctx->sgs_train_enable, NULL));
211   if (app_ctx->sgs_train_enable) honee->set_poststep = PETSC_TRUE;
212 
213   PetscCall(PetscOptionsEnum("-div_diff_flux_projection_method", "Method of divergence of diffusive flux projection", NULL,
214                              DivDiffFluxProjectionMethods, (PetscEnum)(app_ctx->divFdiffproj_method), (PetscEnum *)&app_ctx->divFdiffproj_method,
215                              NULL));
216 
217   app_ctx->check_step_interval = -1;
218   PetscCall(PetscOptionsDeprecated("-ts_monitor_nan_interval", "-honee_check_step_interval", "HONEE 0.0", NULL));
219   PetscCall(PetscOptionsInt("-honee_check_step_interval", "Number of timesteps between verifying the validity of the solution", NULL,
220                             app_ctx->check_step_interval, &app_ctx->check_step_interval, NULL));
221   if (app_ctx->check_step_interval > 0) honee->set_poststep = PETSC_TRUE;
222 
223   {
224     char   buffer[2048] = "0";
225     time_t max_wall_time_buffer, max_wall_time_duration;
226     PetscCall(PetscOptionsString("-honee_max_wall_time_duration", "Maximum wall time duration HONEE should wait before stopping TSSolve", NULL,
227                                  buffer, buffer, sizeof(buffer), NULL));
228     PetscCall(ISO8601TimeDurationToSeconds(comm, buffer, &max_wall_time_duration));
229     PetscCall(PetscStrncpy(buffer, "0:1", sizeof(buffer)));  // Default 1 minute buffer
230     PetscCall(PetscOptionsString("-honee_max_wall_time_buffer",
231                                  "Time before max_wall_time_duration when TSSolve should be stopped and checkpoint files written", NULL, buffer,
232                                  buffer, sizeof(buffer), NULL));
233     PetscCall(ISO8601TimeDurationToSeconds(comm, buffer, &max_wall_time_buffer));
234     if (max_wall_time_duration == 0) honee->max_wall_time = -1;
235     else {
236       honee->set_poststep  = PETSC_TRUE;
237       honee->max_wall_time = honee->start_time + max_wall_time_duration - max_wall_time_buffer;
238     }
239 
240     honee->max_wall_time_interval = 1;
241     PetscCall(PetscOptionsInt("-honee_max_wall_time_interval",
242                               "Number of timesteps between checking whether TSSolve should be stopped due to max_wall_time", NULL,
243                               honee->max_wall_time_interval, &honee->max_wall_time_interval, NULL));
244   }
245 
246   PetscOptionsEnd();
247   PetscFunctionReturn(PETSC_SUCCESS);
248 }
249