diff --git a/Auriga6_halo7_8_10.yml b/Auriga6_halo7_8_10.yml new file mode 100644 index 0000000..fa23af7 --- /dev/null +++ b/Auriga6_halo7_8_10.yml @@ -0,0 +1,143 @@ + +# Define some meta data about the simulation. +MetaData: + run_name: auriga6_zoom_test + +# Define the system of units to use internally. +InternalUnitSystem: + UnitMass_in_cgs: 1.98848e43 # 10^10 M_sun in grams + UnitLength_in_cgs: 3.08567758e24 # 1 Mpc in centimeters + UnitVelocity_in_cgs: 1e5 # 1 km/s in centimeters per second + UnitCurrent_in_cgs: 1 # 1 Ampere + UnitTemp_in_cgs: 1 # 1 Kelvin + + +# Values of some physical constants +#PhysicalConstants: +# G: 6.67408e-8 # (Optional) Overwrite the value of Newton's constant used internally by the code. + +# Cosmological parameters # update according to monofonic output +Cosmology: + h: 0.67742 # Reduced Hubble constant + a_begin: 0.0078125 # Initial scale-factor of the simulation, z = 127 + a_end: 1.0 # Final scale factor of the simulation, z = 0 + Omega_cdm: 0.3069813 # 0.2610089 # CDM density parameter, new: Omega_m = _cdm + _b (w/o neutrinos) + Omega_lambda: 0.690021 # Dark-energy density parameter + Omega_b: 0.0 # 0.0488911 # Baryon density parameter + +# Parameters for the self-gravity scheme +Gravity: + mesh_side_length: 512 # Number of cells along each axis for the periodic gravity mesh (must be even). + eta: 0.025 # Constant dimensionless multiplier for time integration. + MAC: adaptive # Choice of mulitpole acceptance criterion: 'adaptive' OR 'geometric'. + epsilon_fmm: 0.001 # Tolerance parameter for the adaptive multipole acceptance criterion. + theta_cr: 0.7 # Opening angle for the purely gemoetric criterion. + # use_tree_below_softening: 0 # (Optional) Can the gravity code use the multipole interactions below the softening scale? + # allow_truncation_in_MAC: 0 # (Optional) Can the Multipole acceptance criterion use the truncated force estimator? + comoving_DM_softening: 0.026041666666666668 # Comoving Plummer-equivalent softening length for DM particles (in internal units). + max_physical_DM_softening: 0.026041666666666668 # Maximal Plummer-equivalent softening length in physical coordinates for DM particles (in internal units). #should work b/c Lbox is given in Mpc=internal unit + rebuild_frequency: 0.01 # (Optional) Frequency of the gravity-tree rebuild in units of the number of g-particles (this is the default value). + a_smooth: 1.25 # (Optional) Smoothing scale in top-level cell sizes to smooth the long-range forces over (this is the default value). + r_cut_max: 4.5 # (Optional) Cut-off in number of top-level cells beyond which no FMM forces are computed (this is the default value). + r_cut_min: 0.1 # (Optional) Cut-off in number of top-level cells below which no truncation of FMM forces are performed (this is the default value). + softening_ratio_background: 0.05 # typical value for zoom simulations, according to docs + +# FOF group finding parameters +FOF: + basename: fof_output # Filename for the FOF outputs (Unused when FoF is only run to seed BHs). + scale_factor_first: 0.91 # Scale-factor of first FoF black hole seeding calls (needed for cosmological runs). + delta_time: 1.005 # Time between consecutive FoF black hole seeding calls. + min_group_size: 256 # The minimum no. of particles required for a group. + linking_length_ratio: 0.2 # Linking length in units of the main inter-particle separation. + seed_black_holes_enabled: 0 # Enable (1) or disable (0) seeding of black holes in FoF groups + dump_catalogue_when_seeding: 0 # Enable (1) or disable (0) dumping a group catalogue when runnning FOF for seeding purposes. + absolute_linking_length: -1. # (Optional) Absolute linking length (in internal units). When not set to -1, this will overwrite the linking length computed from 'linking_length_ratio'. + group_id_default: 2147483647 # (Optional) Sets the group ID of particles in groups below the minimum size. Defaults to 2^31 - 1 if unspecified. Has to be positive. + group_id_offset: 1 # (Optional) Sets the offset of group ID labeling. Defaults to 1 if unspecified. + +# Parameters governing the time integration (Set dt_min and dt_max to the same value for a fixed time-step run.) +TimeIntegration: + dt_min: 1e-6 # The minimal time-step size of the simulation (in internal units). + dt_max: 0.025 # The maximal time-step size of the simulation (in internal units). + +# Parameters governing the snapshots +Snapshots: + basename: output # Common part of the name of output files. + # subdir: dir # (Optional) Sub-directory in which to write the snapshots. Defaults to "" (i.e. the directory where SWIFT is run). + scale_factor_first: 0.1 # (Optional) Scale-factor of the first snapshot if cosmological time-integration. + delta_time: 0.01 # Time difference between consecutive outputs (in internal units) + # invoke_stf: 0 # (Optional) Call VELOCIraptor every time a snapshot is written irrespective of the VELOCIraptor output strategy. + invoke_fof: 1 # (Optional) Call FOF every time a snapshot is written + # compression: 0 # (Optional) Set the level of GZIP compression of the HDF5 datasets [0-9]. 0 does no compression. The lossless compression is applied to *all* the fields. + # distributed: 0 # (Optional) When running over MPI, should each rank write a partial snapshot or do we want a single file? 1 implies one file per MPI rank. + # UnitMass_in_cgs: 1 # (Optional) Unit system for the outputs (Grams) + # UnitLength_in_cgs: 1 # (Optional) Unit system for the outputs (Centimeters) + # UnitVelocity_in_cgs: 1 # (Optional) Unit system for the outputs (Centimeters per second) + # UnitCurrent_in_cgs: 1 # (Optional) Unit system for the outputs (Amperes) + # UnitTemp_in_cgs: 1 # (Optional) Unit system for the outputs (Kelvin) + output_list_on: 1 # (Optional) Enable the output list + output_list: /home/ben/sims/swiftsim/examples/zoom_tests/snap_times.txt # (Optional) File containing the output times (see documentation in "Parameter File" section) + # select_output_on: 0 # (Optional) Enable the output selection behaviour + # select_output: selectoutput.yml # (Optional) File containing information to select outputs with (see documentation in the "Output Selection" section) + +# Parameters governing the conserved quantities statistics +Statistics: + delta_time: 1.1 # Time between statistics output + scale_factor_first: 0.1 # (Optional) Scale-factor of the first statistics dump if cosmological time-integration. + energy_file_name: statistics # (Optional) File name for statistics output + timestep_file_name: timesteps # (Optional) File name for timing information output. Note: No underscores "_" allowed in file name + output_list_on: 1 # (Optional) Enable the output list + output_list: /home/ben/sims/swiftsim/examples/zoom_tests/snap_times.txt # (Optional) File containing the output times (see documentation in "Parameter File" section) + +# Parameters related to the initial conditions +InitialConditions: + file_name: /home/ben/sims/swiftsim/examples/zoom_tests/auriga6_halo7_8_10.hdf5 # The file to read + periodic: 1 # Are we running with periodic ICs? + cleanup_h_factors: 0 # (Optional) Clean up the h-factors used in the ICs (e.g. in Gadget files). + cleanup_velocity_factors: 0 # (Optional) Clean up the scale-factors used in the definition of the velocity variable in the ICs (e.g. in Gadget files). + cleanup_smoothing_lengths: 0 # (Optional) Clean the values of the smoothing lengths that are read in to remove stupid values. Set to 1 to activate. + smoothing_length_scaling: 1. # (Optional) A scaling factor to apply to all smoothing lengths in the ICs. + replicate: 1 # (Optional) Replicate all particles along each axis a given integer number of times. Default 1. + remap_ids: 0 # (Optional) Remap all the particle IDs to the range [1, NumPart]. + metadata_group_name: ICs_parameters # (Optional) Copy this HDF5 group from the initial conditions file to all snapshots, if found + +# Parameters controlling restarts +Restarts: + enable: 1 # (Optional) whether to enable dumping restarts at fixed intervals. + save: 0 # (Optional) whether to save copies of the previous set of restart files (named .prev) + # onexit: 0 # (Optional) whether to dump restarts on exit (*needs enable*) + subdir: restart # (Optional) name of subdirectory for restart files. + basename: restart # (Optional) prefix used in naming restart files. + delta_hours: 2.0 # (Optional) decimal hours between dumps of restart files. + stop_steps: 100 # (Optional) how many steps to process before checking if the /stop file exists. When present the application will attempt to exit early, dumping restart files first. + max_run_time: 24.0 # (optional) Maximal wall-clock time in hours. The application will exit when this limit is reached. + # resubmit_on_exit: 0 # (Optional) whether to run a command when exiting after the time limit has been reached. + # resubmit_command: ./resub.sh # (Optional) Command to run when time limit is reached. Compulsory if resubmit_on_exit is switched on. Note potentially unsafe. + +#StructureFinding: +# config_file_name: vrconfig_auriga6_halo7_8_9.cfg +# basename: haloes +# output_list_on: 1 +# output_list: /home/ben/sims/swiftsim/examples/zoom_tests/snap_times.txt + +# Parameters governing domain decomposition +# DomainDecomposition: +# initial_type: memory # (Optional) The initial decomposition strategy: "grid", +# # "region", "memory", or "vectorized". +# initial_grid: [10,10,10] # (Optional) Grid sizes if the "grid" strategy is chosen. +# +# synchronous: 0 # (Optional) Use synchronous MPI requests to redistribute, uses less system memory, but slower. +# repartition_type: fullcosts # (Optional) The re-decomposition strategy, one of: +# # "none", "fullcosts", "edgecosts", "memory" or +# # "timecosts". +# trigger: 0.05 # (Optional) Fractional (<1) CPU time difference between MPI ranks required to trigger a +# # new decomposition, or number of steps (>1) between decompositions +# minfrac: 0.9 # (Optional) Fractional of all particles that should be updated in previous step when +# # using CPU time trigger +# usemetis: 0 # Use serial METIS when ParMETIS is also available. +# adaptive: 1 # Use adaptive repartition when ParMETIS is available, otherwise simple refinement. +# itr: 100 # When adaptive defines the ratio of inter node communication time to data redistribution time, in the range 0.00001 to 10000000.0. +# # Lower values give less data movement during redistributions, at the cost of global balance which may require more communication. +# use_fixed_costs: 0 # If 1 then use any compiled in fixed costs for +# # task weights in first repartition, if 0 only use task timings, if > 1 only use +# # fixed costs, unless none are available diff --git a/auriga_zoom_snap_times.txt b/auriga_zoom_snap_times.txt new file mode 100644 index 0000000..0ffceef --- /dev/null +++ b/auriga_zoom_snap_times.txt @@ -0,0 +1,9 @@ +# Scale Factor +0.025 +0.05 +0.1 +0.166666 +0.333333 +0.5 +0.666666 +1.0