%---- Relevant files (filenames and directories)
InitCondFile ../IC/ic_L86_m11e_dmo_ref13_rad6-chull_split.ics
OutputDir    ../output/hdf5
EnergyFile   energy.txt
InfoFile     info.txt

%---- File formats (input and output)
ICFormat   1   % 1=unformatted (gadget) binary, 3=hdf5, 4=cluster
SnapFormat 3 % 1=unformatted (gadget) binary, 3=hdf5

%---- Output parameters
SnapshotFileBase          snapshot
RestartFile               restart
OutputListOn              1
OutputListFilename        ./snapshot_scale-factors.txt
NumFilesPerSnapshot       1
NumFilesWrittenInParallel 8
TimingsFile               timings.txt
CpuFile                   cpuconsump.txt

%---- Output frequency
TimeOfFirstSnapshot   0.01      % time (code units) of first snapshot
TimeBetSnapshot       1.1        % time between (if OutputListOn=0), code units
CpuTimeBetRestartFile 18000.0    % here in seconds -- once every 5 hours
TimeBetStatistics     0.05       % time between additional statistics (e.g. energy)
MaxRMSDisplacementFac 0.2
ErrTolIntAccuracy     0.025
CourantFac            0.15

%---- CPU Run-Time and CheckPointing Time-Limits
% 5 day -> 507000, 2 day -> 202000, 1 day -> 100000, 8 hr -> 33000, 2hr -> 8000, 1 hr -> 3900
TimeLimitCPU    7200000 % in seconds = 2000 hours
ResubmitOn      0
ResubmitCommand none

%---- Desired simulation beginning and end times (in code units) for run
MaxSizeTimestep 0.005   % for cosmological, in units of delta(ln(a))
MinSizeTimestep 1.0e-10 % set this low, or risk stability

%---- Maximum and minimum timesteps allowed
TimeBegin 0.01 % z=99, Beginning of the simulation
TimeMax   1.0  % End of the simulation

%---- Accuracy of time integration
TypeOfTimestepCriterion 0
PeriodicBoundariesOn    1

%--- System of units
UnitLength_in_cm         3.08568025e+21 %1.0 Mpc h^-1
UnitMass_in_g            1.989e+43 %1e10 solar mass h^-1
UnitVelocity_in_cm_per_s 1e+5 %1 km/s
GravityConstantInternal  0

%---- Cosmological parameters
ComovingIntegrationOn 1     % is it cosmological? (yes=1, no=0)
BoxSize               58480. % kpc h^-1
HubbleParam           0.68
Omega0                0.31
OmegaLambda           0.69
OmegaBaryon           0.048

%---- Memory allocation
MaxMemSize      3600 % sets maximum MPI process memory use in MByte
PartAllocFactor 2.5  % memory load allowed for better cpu balance [2-5] // originally 2.0
%TreeAllocFactor 1.2  % originally 0.9
BufferSize      80   % in MByte

%---- Tree algorithm, force accuracy, domain update frequency
ErrTolTheta               0.7
TypeOfOpeningCriterion    1
ErrTolForceAcc            0.005
TreeDomainUpdateFrequency 0.005 % 0.0005-0.05, dept on core+particle number

%---- SPH parameters
DesNumNgb            32     % 32 for standard kernel, 60 - 114 for quintic
MaxNumNgbDeviation   2      
ArtBulkViscConst     0.8
InitGasTemp 	     0      % always ignored if set to 0
MinGasTemp           0
MaxHsml              1.0e6  % minimum gas kernel length (some very large value to prevent errors)
MinGasHsmlFractional 1      % minimum kernel length relative to gas force softening (<= 1)

%---- Gravitational softening lengths
%----- Softening lengths per particle type. If ADAPTIVE_GRAVSOFT is set, these
%-------- are the minimum softening allowed for each type -------
%-------- (units are co-moving for cosmological integrations)
SofteningGas           0.007      % gas (particle type=0) (in co-moving code units)
SofteningHalo          0.28       % dark matter/collisionless particles (type=1)
SofteningDisk          2          % collisionless particles (type=2)
SofteningBulge         1          % collisionless particles (type=3)
SofteningStars         0.028      % stars spawned from gas (type=4)
SofteningBndry         1          % black holes (if active), or collisionless (type=5)
%---- if these are set in cosmo runs, SofteningX switches from comoving to physical
%------- units when the comoving value exceeds the choice here
%------- (these are ignored, and *only* the above are used, for non-cosmo runs)
SofteningGasMaxPhys   0.0007      % e.g. switch to 0.5pc physical below z=1
SofteningHaloMaxPhys  0.028
SofteningDiskMaxPhys  0.2
SofteningBulgeMaxPhys 1
SofteningStarsMaxPhys 0.0028
SofteningBndryMaxPhys 1