Dear list,
It seems that the new subfind is writing twice the block FMAS (see the
list of variables I find inside the subfind snapshot). Is that happening to
anybody else or have I done something wrong (the Config file used to
compile is also attached here)?
cheers,
# BLOCK OFFSET SIZE
-------------------------
1 HEAD 20 80
2 FLEN 124 20920
3 FMAS 21068 20920
4 FPOS 42012 62760
5 FVEL 104796 62760
6 FLTY 167580 125520
7 FLOT 293124 251040
8 FMTY 544188 125520
9 FMAS 669732 20920
10 FMM2 690676 20920
11 FRM2 711620 20920
12 FMC2 732564 20920
13 FRC2 753508 20920
14 FMC5 774452 20920
15 FRC5 795396 20920
16 FMT2 816340 20920
17 FMR2 837284 20920
18 FNSH 858228 20920
19 FFSH 879172 41840
20 SGNR 921036 50816
21 SGRG 971876 25408
22 SLEN 997308 25408
23 SMAS 1022740 25408
24 SPOS 1048172 76224
25 SVEL 1124420 76224
26 SLTY 1200668 152448
27 SLOT 1353140 304896
28 SMTY 1658060 152448
29 SCMP 1810532 76224
30 SSPI 1886780 76224
31 SSPI 1963028 25408
32 SVMX 1988460 25408
33 SVRX 2013892 25408
34 SHMR 2039324 25408
35 SHMT 2064756 152448
36 SIDM 2217228 25408
37 SPRT 2242660 25408
-------------------------
#--------------------------------------- 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
GADGET2_HEADER # allows reading of snapshots
with GADGET-2/3 header format
#--------------------------------------- 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
#--------------------------------------- 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
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
HIERARCHICAL_GRAVITY # enables hierarchical time
integration of the gravity
#--------------------------------------- Treatment of gravitational
softening
NSOFTCLASSES=1 # number of different
softening classes
#---------------------------------------- Single/double precision and data
types
DOUBLEPRECISION=1 # if activated and set to 1,
use double precision internally, for 2 use mixed precision, otherwise
single precision
#---------------------------------------- Output/Input options
OUTPUT_TIMESTEP # output timesteps
POWERSPEC_ON_OUTPUT # computes a matter power
spectrum when the code writes a snapshot output
#---------------------------------------- On the fly FOF groupfinder
FOF # enable FoF output
FOF_PRIMARY_LINK_TYPES=2 # bitmask, 2^type for the
primary dark matter type
FOF_GROUP_MIN_LEN=100 # minimum group length
(default is 32)
FOF_LINKLENGTH=0.2 # linking length for FoF
(default=0.2)
#---------------------------------------- Subfind
SUBFIND # enables substructure finder
SUBFIND_HBT # use previous subhalo
catalogue instead of density excursions to define subhalo candidates
#---------------------------------------- Merger tree code
MERGERTREE # enables on-the-fly
calculation of descendants, and merger tree construction from group
catalogues
#--------------------------------------- IC creation
NGENIC=512 # 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)
#----------------------------------------Parallelization options
IMPOSE_PINNING # enables pinning of MPI
processes to CPU cores
*Tiago Castro* Post Doc, Department of Physics / UNITS / OATS
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Received on 2020-11-30 13:00:30