static void free_device_data(oskar_Simulator* h, int* status) { int i; if (!h->d) return; for (i = 0; i < h->num_devices; ++i) { DeviceData* d = &(h->d[i]); if (!d) continue; if (i < h->num_gpus) oskar_device_set(h->gpu_ids[i], status); oskar_timer_free(d->tmr_compute); oskar_timer_free(d->tmr_copy); oskar_timer_free(d->tmr_clip); oskar_timer_free(d->tmr_E); oskar_timer_free(d->tmr_K); oskar_timer_free(d->tmr_join); oskar_timer_free(d->tmr_correlate); oskar_vis_block_free(d->vis_block_cpu[0], status); oskar_vis_block_free(d->vis_block_cpu[1], status); oskar_vis_block_free(d->vis_block, status); oskar_mem_free(d->u, status); oskar_mem_free(d->v, status); oskar_mem_free(d->w, status); oskar_sky_free(d->chunk, status); oskar_sky_free(d->chunk_clip, status); oskar_telescope_free(d->tel, status); oskar_station_work_free(d->station_work, status); oskar_jones_free(d->J, status); oskar_jones_free(d->E, status); oskar_jones_free(d->K, status); oskar_jones_free(d->R, status); memset(d, 0, sizeof(DeviceData)); } }
void oskar_interferometer_free(oskar_Interferometer* h, int* status) { int i; if (!h) return; oskar_interferometer_reset_cache(h, status); for (i = 0; i < h->num_gpus; ++i) { oskar_device_set(h->gpu_ids[i], status); oskar_device_reset(); } for (i = 0; i < h->num_sky_chunks; ++i) oskar_sky_free(h->sky_chunks[i], status); oskar_telescope_free(h->tel, status); oskar_mem_free(h->temp, status); oskar_timer_free(h->tmr_sim); oskar_timer_free(h->tmr_write); oskar_mutex_free(h->mutex); oskar_barrier_free(h->barrier); free(h->sky_chunks); free(h->gpu_ids); free(h->vis_name); free(h->ms_name); free(h->settings_path); free(h->d); free(h); }
void oskar_beam_pattern_set_telescope_model(oskar_BeamPattern* h, const oskar_Telescope* model, int* status) { if (*status) return; /* Check the model is not empty. */ if (oskar_telescope_num_stations(model) == 0) { oskar_log_error(h->log, "Telescope model is empty."); *status = OSKAR_ERR_SETTINGS_TELESCOPE; return; } /* Remove any existing telescope model, and copy the new one. */ oskar_telescope_free(h->tel, status); h->tel = oskar_telescope_create_copy(model, OSKAR_CPU, status); h->pol_mode = oskar_telescope_pol_mode(h->tel); h->phase_centre_deg[0] = oskar_telescope_phase_centre_ra_rad(h->tel) * 180.0 / M_PI; h->phase_centre_deg[1] = oskar_telescope_phase_centre_dec_rad(h->tel) * 180.0 / M_PI; /* Analyse the telescope model. */ oskar_telescope_analyse(h->tel, status); if (h->log) oskar_telescope_log_summary(h->tel, h->log, status); }
void destroyTestData() { int status = 0; oskar_jones_free(jones, &status); oskar_mem_free(u_, &status); oskar_mem_free(v_, &status); oskar_mem_free(w_, &status); oskar_sky_free(sky, &status); oskar_telescope_free(tel, &status); ASSERT_EQ(0, status) << oskar_get_error_string(status); }
int benchmark(int num_stations, int num_sources, int type, int jones_type, int loc, int use_extended, int use_time_ave, int niter, std::vector<double>& times) { int status = 0; oskar_Timer* timer; timer = oskar_timer_create(loc == OSKAR_GPU ? OSKAR_TIMER_CUDA : OSKAR_TIMER_OMP); // Set up a test sky model, telescope model and Jones matrices. oskar_Telescope* tel = oskar_telescope_create(type, loc, num_stations, &status); oskar_Sky* sky = oskar_sky_create(type, loc, num_sources, &status); oskar_Jones* J = oskar_jones_create(jones_type, loc, num_stations, num_sources, &status); oskar_telescope_set_channel_bandwidth(tel, 1e6); oskar_telescope_set_time_average(tel, (double) use_time_ave); oskar_sky_set_use_extended(sky, use_extended); // Memory for visibility coordinates and output visibility slice. oskar_Mem *vis, *u, *v, *w; vis = oskar_mem_create(jones_type, loc, oskar_telescope_num_baselines(tel), &status); u = oskar_mem_create(type, loc, num_stations, &status); v = oskar_mem_create(type, loc, num_stations, &status); w = oskar_mem_create(type, loc, num_stations, &status); // Run benchmark. times.resize(niter); for (int i = 0; i < niter; ++i) { oskar_timer_start(timer); oskar_cross_correlate(vis, oskar_sky_num_sources(sky), J, sky, tel, u, v, w, 0.0, 100e6, &status); times[i] = oskar_timer_elapsed(timer); } // Free memory. oskar_mem_free(u, &status); oskar_mem_free(v, &status); oskar_mem_free(w, &status); oskar_mem_free(vis, &status); oskar_jones_free(J, &status); oskar_telescope_free(tel, &status); oskar_sky_free(sky, &status); oskar_timer_free(timer); return status; }
void oskar_simulator_set_telescope_model(oskar_Simulator* h, const oskar_Telescope* model, int* status) { if (*status) return; /* Check the model is not empty. */ if (oskar_telescope_num_stations(model) == 0) { oskar_log_error(h->log, "Telescope model is empty."); *status = OSKAR_ERR_SETTINGS_TELESCOPE; return; } /* Remove any existing telescope model, and copy the new one. */ oskar_telescope_free(h->tel, status); h->tel = oskar_telescope_create_copy(model, OSKAR_CPU, status); /* Analyse the telescope model. */ oskar_telescope_analyse(h->tel, status); if (h->log) oskar_telescope_log_summary(h->tel, h->log, status); }
int main(int argc, char** argv) { int status = 0; oskar::OptionParser opt("oskar_evaulate_pierce_points", oskar_version_string()); opt.add_required("settings file"); if (!opt.check_options(argc, argv)) return EXIT_FAILURE; const char* settings_file = opt.get_arg(); // Create the log. oskar_Log* log = oskar_log_create(OSKAR_LOG_MESSAGE, OSKAR_LOG_STATUS); oskar_log_message(log, 'M', 0, "Running binary %s", argv[0]); // Enum values used in writing time-freq data binary files enum OSKAR_TIME_FREQ_TAGS { TIME_IDX = 0, FREQ_IDX = 1, TIME_MJD_UTC = 2, FREQ_HZ = 3, NUM_FIELDS = 4, NUM_FIELD_TAGS = 5, HEADER_OFFSET = 10, DATA = 0, DIMS = 1, LABEL = 2, UNITS = 3, GRP = OSKAR_TAG_GROUP_TIME_FREQ_DATA }; oskar_Settings_old settings; oskar_settings_old_load(&settings, log, settings_file, &status); oskar_log_set_keep_file(log, settings.sim.keep_log_file); if (status) return status; oskar_Telescope* tel = oskar_settings_to_telescope(&settings, log, &status); oskar_Sky* sky = oskar_settings_to_sky(&settings, log, &status); // FIXME remove this restriction ... (see evaluate Z) if (settings.ionosphere.num_TID_screens != 1) return OSKAR_ERR_SETUP_FAIL; int type = settings.sim.double_precision ? OSKAR_DOUBLE : OSKAR_SINGLE; int loc = OSKAR_CPU; int num_sources = oskar_sky_num_sources(sky); oskar_Mem *hor_x, *hor_y, *hor_z; hor_x = oskar_mem_create(type, loc, num_sources, &status); hor_y = oskar_mem_create(type, loc, num_sources, &status); hor_z = oskar_mem_create(type, loc, num_sources, &status); oskar_Mem *pp_lon, *pp_lat, *pp_rel_path; int num_stations = oskar_telescope_num_stations(tel); int num_pp = num_stations * num_sources; pp_lon = oskar_mem_create(type, loc, num_pp, &status); pp_lat = oskar_mem_create(type, loc, num_pp, &status); pp_rel_path = oskar_mem_create(type, loc, num_pp, &status); // Pierce points for one station (non-owned oskar_Mem pointers) oskar_Mem *pp_st_lon, *pp_st_lat, *pp_st_rel_path; pp_st_lon = oskar_mem_create_alias(0, 0, 0, &status); pp_st_lat = oskar_mem_create_alias(0, 0, 0, &status); pp_st_rel_path = oskar_mem_create_alias(0, 0, 0, &status); int num_times = settings.obs.num_time_steps; double obs_start_mjd_utc = settings.obs.start_mjd_utc; double dt_dump = settings.obs.dt_dump_days; // Binary file meta-data std::string label1 = "pp_lon"; std::string label2 = "pp_lat"; std::string label3 = "pp_path"; std::string units = "radians"; std::string units2 = ""; oskar_Mem *dims = oskar_mem_create(OSKAR_INT, loc, 2, &status); /* FIXME is this the correct dimension order ? * FIXME get the MATLAB reader to respect dimension ordering */ oskar_mem_int(dims, &status)[0] = num_sources; oskar_mem_int(dims, &status)[1] = num_stations; const char* filename = settings.ionosphere.pierce_points.filename; oskar_Binary* h = oskar_binary_create(filename, 'w', &status); double screen_height_m = settings.ionosphere.TID->height_km * 1000.0; // printf("Number of times = %i\n", num_times); // printf("Number of stations = %i\n", num_stations); void *x_, *y_, *z_; x_ = oskar_mem_void(oskar_telescope_station_true_x_offset_ecef_metres(tel)); y_ = oskar_mem_void(oskar_telescope_station_true_y_offset_ecef_metres(tel)); z_ = oskar_mem_void(oskar_telescope_station_true_z_offset_ecef_metres(tel)); for (int t = 0; t < num_times; ++t) { double t_dump = obs_start_mjd_utc + t * dt_dump; // MJD UTC double gast = oskar_convert_mjd_to_gast_fast(t_dump + dt_dump / 2.0); for (int i = 0; i < num_stations; ++i) { const oskar_Station* station = oskar_telescope_station_const(tel, i); double lon = oskar_station_lon_rad(station); double lat = oskar_station_lat_rad(station); double alt = oskar_station_alt_metres(station); double x_ecef, y_ecef, z_ecef, x_offset, y_offset, z_offset; if (type == OSKAR_DOUBLE) { x_offset = ((double*)x_)[i]; y_offset = ((double*)y_)[i]; z_offset = ((double*)z_)[i]; } else { x_offset = (double)((float*)x_)[i]; y_offset = (double)((float*)y_)[i]; z_offset = (double)((float*)z_)[i]; } oskar_convert_offset_ecef_to_ecef(1, &x_offset, &y_offset, &z_offset, lon, lat, alt, &x_ecef, &y_ecef, &z_ecef); double last = gast + lon; if (type == OSKAR_DOUBLE) { oskar_convert_apparent_ra_dec_to_enu_directions_d(num_sources, oskar_mem_double_const(oskar_sky_ra_rad_const(sky), &status), oskar_mem_double_const(oskar_sky_dec_rad_const(sky), &status), last, lat, oskar_mem_double(hor_x, &status), oskar_mem_double(hor_y, &status), oskar_mem_double(hor_z, &status)); } else { oskar_convert_apparent_ra_dec_to_enu_directions_f(num_sources, oskar_mem_float_const(oskar_sky_ra_rad_const(sky), &status), oskar_mem_float_const(oskar_sky_dec_rad_const(sky), &status), last, lat, oskar_mem_float(hor_x, &status), oskar_mem_float(hor_y, &status), oskar_mem_float(hor_z, &status)); } int offset = i * num_sources; oskar_mem_set_alias(pp_st_lon, pp_lon, offset, num_sources, &status); oskar_mem_set_alias(pp_st_lat, pp_lat, offset, num_sources, &status); oskar_mem_set_alias(pp_st_rel_path, pp_rel_path, offset, num_sources, &status); oskar_evaluate_pierce_points(pp_st_lon, pp_st_lat, pp_st_rel_path, x_ecef, y_ecef, z_ecef, screen_height_m, num_sources, hor_x, hor_y, hor_z, &status); } // Loop over stations. if (status != 0) continue; int index = t; // could be = (num_times * f) + t if we have frequency data int num_fields = 3; int num_field_tags = 4; double freq_hz = 0.0; int freq_idx = 0; // Write the header TAGS oskar_binary_write_int(h, GRP, TIME_IDX, index, t, &status); oskar_binary_write_double(h, GRP, FREQ_IDX, index, freq_idx, &status); oskar_binary_write_double(h, GRP, TIME_MJD_UTC, index, t_dump, &status); oskar_binary_write_double(h, GRP, FREQ_HZ, index, freq_hz, &status); oskar_binary_write_int(h, GRP, NUM_FIELDS, index, num_fields, &status); oskar_binary_write_int(h, GRP, NUM_FIELD_TAGS, index, num_field_tags, &status); // Write data TAGS (fields) int field, tagID; field = 0; tagID = HEADER_OFFSET + (num_field_tags * field); oskar_binary_write_mem(h, pp_lon, GRP, tagID + DATA, index, 0, &status); oskar_binary_write_mem(h, dims, GRP, tagID + DIMS, index, 0, &status); oskar_binary_write(h, OSKAR_CHAR, GRP, tagID + LABEL, index, label1.size()+1, label1.c_str(), &status); oskar_binary_write(h, OSKAR_CHAR, GRP, tagID + UNITS, index, units.size()+1, units.c_str(), &status); field = 1; tagID = HEADER_OFFSET + (num_field_tags * field); oskar_binary_write_mem(h, pp_lat, GRP, tagID + DATA, index, 0, &status); oskar_binary_write_mem(h, dims, GRP, tagID + DIMS, index, 0, &status); oskar_binary_write(h, OSKAR_CHAR, GRP, tagID + LABEL, index, label2.size()+1, label2.c_str(), &status); oskar_binary_write(h, OSKAR_CHAR, GRP, tagID + UNITS, index, units.size()+1, units.c_str(), &status); field = 2; tagID = HEADER_OFFSET + (num_field_tags * field); oskar_binary_write_mem(h, pp_rel_path, GRP, tagID + DATA, index, 0, &status); oskar_binary_write_mem(h, dims, GRP, tagID + DIMS, index, 0, &status); oskar_binary_write(h, OSKAR_CHAR, GRP, tagID + LABEL, index, label3.size()+1, label3.c_str(), &status); oskar_binary_write(h, OSKAR_CHAR, GRP, tagID + UNITS, index, units2.size()+1, units2.c_str(), &status); } // Loop over times // Close the OSKAR binary file. oskar_binary_free(h); // clean up memory oskar_mem_free(hor_x, &status); oskar_mem_free(hor_y, &status); oskar_mem_free(hor_z, &status); oskar_mem_free(pp_lon, &status); oskar_mem_free(pp_lat, &status); oskar_mem_free(pp_rel_path, &status); oskar_mem_free(pp_st_lon, &status); oskar_mem_free(pp_st_lat, &status); oskar_mem_free(pp_st_rel_path, &status); oskar_mem_free(dims, &status); oskar_telescope_free(tel, &status); oskar_sky_free(sky, &status); // Check for errors. if (status) oskar_log_error(log, "Run failed: %s.", oskar_get_error_string(status)); oskar_log_free(log); return status; }