-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathTemplate-Config.sh
223 lines (165 loc) · 17.1 KB
/
Template-Config.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
#########################################
# Pick compile-time options as needed #
# from this template. #
#########################################
#--------------------------------------- Basic operation mode of code
#PERIODIC # enables periodic boundary condistions
#NTYPES=6 # number of particle types
#RANDOMIZE_DOMAINCENTER # shifts the particle distribution randomly each step to reduce correlations of force errors in time
#LEAN # selects a special 'lean' mode of code operation, which is optimized for aggressive memory saving
#LONG_X_BITS=2 # can be used to reduce periodic box-dimension in x-direction relative to nominal box size
#LONG_Y_BITS=2 # can be used to reduce periodic box-dimension in y-direction relative to nominal box size
#LONG_Z_BITS=1 # can be used to reduce periodic box-dimension in z-direction relative to nominal box size
#GRAVITY_TALLBOX=2 # this can be used to set-up gravity with two periodicity only in two of three dimensions
#TWODIMS # restricts SPH formulation to two dimensions (for tests)
#ONEDIMS # restricts SPH formulation to one dimension (for tests)
#GADGET2_HEADER # allows reading of snapshots with GADGET-2/3 header format
#SECOND_ORDER_LPT_ICS # treats second order LPT ICs generated with Adrian Jenkin's code
#--------------------------------------- Gravity calculation
SELFGRAVITY # switch to enable self-gravity of particles (typically always on)
#FMM # enables Fast Multipole Method instead of one-sided tree algorithm
#MULTIPOLE_ORDER=2 # sets the multipole order of Tree or FMM computations
#EVALPOTENTIAL # computes gravitational potential besides force
#EXTRAPOTTERM # this computes an extra multipole term for the potential which is not needed for the forces
#EXTRA_HIGH_EWALD_ACCURACY # this uses third-order instead of second-order Taylor expansion to interpolate Ewald corrections from table
#ALLOW_DIRECT_SUMMATION # allows calculation of direct summation gravity force if only a tiny number of particles as active
#EXTERNALGRAVITY # switches on inclusion of external gravitational potential
#EXTERNALGRAVITY_STATICHQ # example for a simple external potential due to a Hernquist halo
#--------------------------------------- TreePM Options
#PMGRID=512 # basic mesh size for TreePM calculations
#ASMTH=1.25 # sets the smoothing of the PM force and thus the split-scale between Tree/FMM force and PM force
#RCUT=6.0 # cut-off radius beyond which Tree or FMM evaluations are stopped in TreePM / FMM-PM
#NTAB=128 # size of short-range look-up table
#PLACEHIGHRESREGION=2 # bitmask selecting the particle types that are used to define the location of a secondary PM mesh
#HRPMGRID=512 # dimension of high-res PM grid (optional, default is HRPMGRID=PMGRID)
#FFT_COLUMN_BASED # uses a column-based FFT algorithm instead of the default slab-based one
#PM_ZOOM_OPTIMIZED # selects a communication strategy in the PM code that is better balanced for zoom simulations
#TREE_NUM_BEFORE_NODESPLIT=4 # number of particles are are at most allowed in a tree node before it is split (can be 1)
#--------------------------------------- Time integration options
#TREEPM_NOTIMESPLIT # if this is activated, long-range and short-range gravity are time-integrated on a common timestep
#HIERARCHICAL_GRAVITY # enables hierarchical time integration of the gravity
#FORCE_EQUAL_TIMESTEPS # this chooses a global timestep for all particles
#--------------------------------------- Treatment of gravitational softening
#INDIVIDUAL_GRAVITY_SOFTENING=4+8+16+32 # bitmasks which selects the particle type(s) which pick their softening class based on particle mass
#NSOFTCLASSES=4 # number of different softening classes
#ADAPTIVE_HYDRO_SOFTENING # makes SPH gas particles pick an adaptive gravitational softening proportional to their SPH smoothing lengths
#--------------------------------------- SPH treatmeant and formulation
#REUSE_HYDRO_ACCELERATIONS_FROM_PREVIOUS_STEP # does not recompute the pressure forces after application of source functions
#VISCOSITY_LIMITER_FOR_LARGE_TIMESTEPS # limits the acceleration due to the viscosity
#PRESSURE_ENTROPY_SPH # enables the Hopkins (2013) pressure-entropy formulation, other density-entropy is used
#GAMMA=1.4 # sets the adiabatic index
#ISOTHERM_EQS # selects an isothermal equation of state
#IMPROVED_VELOCITY_GRADIENTS # use higher-order gradients of the velocities according to Hu et. al (2014)
#--------------------------------------- SPH kernels
#CUBIC_SPLINE_KERNEL # uses the cubic spline kernel (default)
#WENDLAND_C2_KERNEL # use the Wendland C2 kernel from Dehnen & Aly 2012
#WENDLAND_C4_KERNEL # use the Wendland C4 kernel from Dehnen & Aly 2012
#WENDLAND_C6_KERNEL # use the Wendland C6 kernel from Dehnen & Aly 2012
#WENDLAND_BIAS_CORRECTION # reduces self-contribution for Wendland kernels according to Dehnen & Aly 2012
#--------------------------------------- SPH viscosity options
#TIMEDEP_ART_VISC # enables time dependend viscosity
#HIGH_ART_VISC_START # start with high rather than low viscosity
#NO_SHEAR_VISCOSITY_LIMITER # turns of the shear viscosity supression
#--------------------------------------- Extra physics
#COOLING # Enables radiative atomic cooling by hydrogen and helium
#STARFORMATION # Enables star formation with the Springel & Hernquist (2003) model
#PBH_EFD # Enables gravitational scattering interactions between dark matter particles
#---------------------------------------- Single/double precision and data types
#POSITIONS_IN_32BIT # if set, use 32-integers for positions (default for single precision)
#POSITIONS_IN_64BIT # if set, use 64-integers for positions (default for double precision)
#POSITIONS_IN_128BIT # if set, use 128-integers for positions (may only work on some systems)
DOUBLEPRECISION=1 # if activated and set to 1, use double precision internally, for 2 use mixed precision, otherwise single precision
#DOUBLEPRECISION_FFTW # if set, carries out FFTs in double precision, otherwise single precision
#USE_SINGLEPRECISION_INTERNALLY # reduces default double precision for most internal computations to single precision
#ENLARGE_DYNAMIC_RANGE_IN_TIME # eextend the dynamic range of the integer timeline from 32 to 64 bits
#IDS_32BIT # selects 32-bit IDs for internal storage (default)
#IDS_48BIT # selects 48-bit IDs for internal storage
#IDS_64BIT # selects 64-bit IDs for internal storage
#OUTPUT_IN_DOUBLEPRECISION # output files will be written in double precision
#---------------------------------------- Output/Input options
INITIAL_CONDITIONS_CONTAIN_ENTROPY
#OUTPUT_VELOCITY_GRADIENT # output velocity gradients
#OUTPUT_PRESSURE # output gas pressure
#OUTPUT_ENTROPY # output gas entropy
#OUTPUT_CHANGEOFENTROPY # output rate of change of entropy
#OUTPUT_POTENTIAL # output gravitational potential
#OUTPUT_ACCELERATION # output total acceleration
#OUTPUT_TIMESTEP # output timesteps
#OUTPUT_DIVVEL # output velocity divergence
#OUTPUT_CURLVEL # output velocity curl
#OUTPUT_COOLHEAT # output actual energy loss/gain in cooling/heating routine
#OUTPUT_PRESSURE_SPH_DENSITY # output also density computed in the pressure-entropy forumulation
#OUTPUT_VISCOSITY_PARAMETER # output current viscosity parameter in SPH particle output (only for time-dependent viscosity)
#OUTPUT_NON_SYNCHRONIZED_ALLOWED # allow snapshot creation also at steps that are not fully synchronized
#OUTPUT_VELOCITIES_IN_HALF_PRECISION # special option to store velocities in reduced precision
#OUTPUT_ACCELERATIONS_IN_HALF_PRECISION # special option to store acclerations in reduced precision
#OUTPUT_COORDINATES_AS_INTEGERS # special option to store coordinates as integers that are used internally
#POWERSPEC_ON_OUTPUT # computes a matter power spectrum when the code writes a snapshot output
#ALLOW_HDF5_COMPRESSION # applies HDF5 loss-less compression to selected output fields
#REDUCE_FLUSH # do not flush the I/O streams of the log-files every system step
#---------------------------------------- On the fly FOF groupfinder
#FOF # enable FoF output
#FOF_PRIMARY_LINK_TYPES=2 # bitmask, 2^type for the primary dark matter type
#FOF_SECONDARY_LINK_TYPES=1+16+32 # bitmask, 2^type for the type(s) linked to nearest primary particle
#FOF_GROUP_MIN_LEN=32 # minimum group length (default is 32)
#FOF_LINKLENGTH=0.2 # linking length for FoF (default=0.2)
#FOF_ALLOW_HUGE_GROUPLENGTH # set if there are groups and subhalos with more than 2 billion particles in length
#---------------------------------------- Subfind
#SUBFIND # enables substructure finder
#SUBFIND_HBT # use previous subhalo catalogue instead of density excursions to define subhalo candidates
#SUBFIND_STORE_LOCAL_DENSITY # calculates local densities and velocity dispersions for all particles and stores them in snapshots
#SUBFIND_ORPHAN_TREATMENT # creates special snapshots with formerly most bound particles
#---------------------------------------- Merger tree code
#MERGERTREE # enables on-the-fly calculation of descendants, and merger tree construction from group catalogues
#---------------------------------------- On-the-fly lightcone creation
#LIGHTCONE # master option for lightcone output creation
#LIGHTCONE_PARTICLES # produces particle lightcones
#LIGHTCONE_MASSMAPS # produces mass shells on the lightcone
#LIGHTCONE_PARTICLES_GROUPS # computes groups for particles buffered on the lightcone
#LIGHTCONE_OUTPUT_ACCELERATIONS # stores accelerations for particles on lightcone
#LIGHTCONE_IMAGE_COMP_HSML_VELDISP # option for computing densities and smoothing length for lightcones in postprocessing
#REARRANGE_OPTION # special option to reorder lightcone data in mergertree order
#--------------------------------------- IC creation
#NGENIC=256 # generate cosmological ICs, set NGENIC to the FFT grid size used for IC generation
#NGENIC_2LPT # applies 2LPT instead of just Zeldovich approximation
#CREATE_GRID # start with a regular Cartesian DM particle grid, instead of reading a glass file (for NGENIC)
#GENERATE_GAS_IN_ICS # add SPH particles to created or read dark matter only ICs
#SPLIT_PARTICLE_TYPE=4+8 # specifies particle types to be split if GENERATE_GAS_IN_ICS is activated
#NGENIC_FIX_MODE_AMPLITUDES # when activated, this leaves the mode amplitudes at sqrt(P(k)), instead of sampling from a Rayleigh distribution
#NGENIC_MIRROR_PHASES # if this is activated, all phases are turned by 180 degrees
#NGENIC_TEST # can be used to create ICs, measure the power spectrum, and then stop
#----------------------------------------Parallelization options
#IMPOSE_PINNING # enables pinning of MPI processes to CPU cores
#IMPOSE_PINNING_OVERRIDE_MODE # tries to do the pinning even if a prior pinning is detected
#PRESERVE_SHMEM_BINARY_INVARIANCE # preserve binary invariance of results despite machine weather, at the price of more tree walk overhead
#EXPLICIT_VECTORIZATION # use AVX at selected places in SPH kernels through the vectorclass C++ library
#SIMPLE_DOMAIN_AGGREGATION # this is an experimental modification of the domain decomposition algorithm (can either help or harm performance)
#---------------------------------------- MPI related settings
#NUMBER_OF_MPI_LISTENERS_PER_NODE=1 # set such that the number of MPI-ranks per node and listener is maller than MAX_NUMBER_OF_RANKS_WITH_SHARED_MEMORY
#MAX_NUMBER_OF_RANKS_WITH_SHARED_MEMORY=64 # default is 64, but can also be set to 32
#NUMPART_PER_TASK_LARGE # set this if the number of particles per task is so large that more than 2 GB are comprised just by particle data
#USE_MPIALLTOALLV_IN_DOMAINDECOMP # replaces hypercube communication in domain particle exchance with a single MPI_Allgatherv (can be less stable)
#MPI_HYPERCUBE_ALLGATHERV # if your MPI-library uses too much internal storage for MPI_Allgatherv, this uses a hypercube as a work-around
#MPI_MESSAGE_SIZELIMIT_IN_MB=200 # limit the message size of very large MPI transfers
#ISEND_IRECV_IN_DOMAIN # uses asynchronous communication instead of synchronous communication in hypercube pattern (can be less stable)
#---------------------------------------- Testing and Debugging options
#HOST_MEMORY_REPORTING # reports after start-up the available system memory by analyzing /proc/meminfo (active by default on Linux)
#ENABLE_HEALTHTEST # can be used to enable some auto-checking of the machine you're running on
#DEBUG # enables core-dumps in case MPI_Init() has disabled them
#DEBUG_ENABLE_FPU_EXCEPTIONS # tries to enable FPU exceptions so that a bad floating point operation triggers a core dump
#DEBUG_SYMTENSORS # carries out a few unit tests related to the tensor algebra routines of the code
#FORCETEST=0.001 # calculates for given fraction of particles direct summation forces to check accuracy of tree force
#FORCETEST_FIXEDPARTICLESET # if this set, always the same particle receive a force accuracy check during a run
#FORCETEST_TESTFORCELAW=1 # special option for measuring the effective force law, can be set to 1 or 2 for TreePM+HighRes
#VTUNE_INSTRUMENT # outputs auxiliary info to simplify Vtune performance analysis
#DEBUG_MD5 # make MD5 check sum routines available for debugging and code development
#SQUASH_TEST # special check-option for code development
#DOMAIN_SPECIAL_CHECK # special check-option for code development
#RECREATE_UNIQUE_IDS # before carrying out the ID uniqueness test, this sets new IDs (e.g. to fix broken ICs)
#NO_STOP_BELOW_MINTIMESTEP # do not stop when the code wants to go below a prescribed minimum timestep
#TILING=2 # duplicate an IC in each dimension for scaling tests
#DO_NOT_PRODUCE_BIG_OUTPUT # for scaling tests, disable the writing of restart files and snapshot dumps
#MEASURE_TOTAL_MOMENTUM # special test option for code development
#EWALD_TEST # a development test for the Ewald tables
#STOP_AFTER_STEP=10 # ends a simulation after the specified timestep (to simplify scalability tests)
#TREE_NO_SAFETY_BOX # when set, this disables the geometric 'near node' protection