# Define the system of units to use internally. InternalUnitSystem: UnitMass_in_cgs: 1.98841e43 # 10^10 M_sun UnitLength_in_cgs: 3.08567758e24 # 1 Mpc UnitVelocity_in_cgs: 1e5 # 1 km/s UnitCurrent_in_cgs: 1 # Amperes UnitTemp_in_cgs: 1 # Kelvin Cosmology: # WMAP9 cosmology Omega_cdm: 0.2305 Omega_lambda: 0.724 Omega_b: 0.0455 h: 0.703 a_begin: 0.019607843 # z_ini = 50. a_end: 1.0 # z_end = 0. # Parameters governing the time integration TimeIntegration: dt_min: 1e-6 dt_max: 1e-2 # Parameters for the self-gravity scheme Gravity: eta: 0.025 MAC: adaptive theta_cr: 0.7 epsilon_fmm: 0.001 comoving_DM_softening: 0.0889 # 1/25th of the mean inter-particle separation: 88.9 kpc max_physical_DM_softening: 0.0889 # 1/25th of the mean inter-particle separation: 88.9 kpc mesh_side_length: 64 # Parameters governing the snapshots Snapshots: basename: snap delta_time: 1.0816 # Only every second VELOCIraptor invoke gets a full snapshot dump. scale_factor_first: 0.1 # z = 9 compression: 4 invoke_ps: 1 # Parameters governing the conserved quantities statistics Statistics: delta_time: 1.01 scale_factor_first: 0.02 Scheduler: max_top_level_cells: 8 cell_split_size: 50 # Parameters related to the initial conditions InitialConditions: file_name: small_cosmo_volume.hdf5 periodic: 1 cleanup_h_factors: 1 cleanup_velocity_factors: 1 # Structure finding options StructureFinding: config_file_name: vrconfig_3dfof_subhalos_SO_hydro.cfg basename: ./stf scale_factor_first: 0.1 # z = 9 delta_time: 1.04 # Power spectrum calculation options PowerSpectrum: grid_side_length: 256 num_folds: 4 fold_factor: 2 window_order: 2 requested_spectra: ["matter-matter"] # Parameters governing the CSDS snapshot system CSDS: delta_step: 10 # Update the particle log every this many updates basename: csds_index # Common part of the filenames initial_buffer_size: 0.3 # (Optional) Buffer size in GB buffer_scale: 2 # (Optional) When buffer size is too small, update it with required memory times buffer_scale