/[MITgcm]/MITgcm_contrib/llc_hires/llc_2160/readme.txt
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Revision 1.5 - (hide annotations) (download)
Mon Nov 4 16:06:42 2013 UTC (11 years, 9 months ago) by dimitri
Branch: MAIN
Changes since 1.4: +1 -0 lines
File MIME type: text/plain
adding "export MPI_NUM_MEMORY_REGIONS=256"
to avoid out-of-memory crashes

1 dimitri 1.1 For interactive session, Ivy Bridge nodes:
2 dimitri 1.4 qsub -I -q devel -l select=300:ncpus=20:model=ivy,walltime=02:00:00 -m abe -M email
3     qsub -I -q normal -l select=103:ncpus=20:model=ivy,walltime=8:00:00 -m abe -M email
4     qsub -I -q long -l select=300:ncpus=20:model=ivy,walltime=120:00:00 -m abe -M email
5     qsub -I -q long -l select=103:ncpus=20:model=ivy,min_walltime=30:00,max_walltime=120:00:00 -m abe -M email
6 dimitri 1.1
7     ==============
8    
9 dimitri 1.2 cd ~/llc_2160
10 dimitri 1.1 cvs co MITgcm_code
11 dimitri 1.2 cvs co MITgcm_contrib/llc_hires/llc_2160
12 dimitri 1.1 cd MITgcm
13     module purge
14 dimitri 1.4 module load comp-intel/2012.0.032 mpi-sgi/mpt.2.08r7 netcdf/4.0
15 dimitri 1.1 mkdir build run
16 dimitri 1.2 lfs setstripe -c -1 run
17 dimitri 1.1 cd build
18 dimitri 1.3 cp ../../MITgcm_contrib/llc_hires/llc_2160/code/SIZE.h_90x90_5004 SIZE.h
19 dimitri 1.2 ../tools/genmake2 -of \
20     ../../MITgcm_contrib/llc_hires/llc_2160/code-async/linux_amd64_ifort+mpi_ice_nas -mpi -mods \
21     '../../MITgcm_contrib/llc_hires/llc_2160/code ../../MITgcm_contrib/llc_hires/llc_2160/code-async'
22 dimitri 1.1 make depend
23     make -j 16
24 dimitri 1.4 cd ~/llc_2160/MITgcm/run
25 dimitri 1.1 ln -sf ../build/mitgcmuv .
26     ln -sf /nobackup/dmenemen/tarballs/llc_2160/run_template/* .
27 dimitri 1.2 ln -sf /nobackup/dmenemen/forcing/ECMWF_operational/* .
28     cp ../../MITgcm_contrib/llc_hires/llc_2160/input/* .
29 dimitri 1.3 mv data.exch2_90x90x5004 data.exch2
30 dimitri 1.5 export MPI_NUM_MEMORY_REGIONS=256
31 dimitri 1.4 mpiexec -n 6600 ./mitgcmuv
32 dimitri 1.1
33     ==============
34    
35     look at output
36    
37     for ts=[0 120 600:10:980 1080:120:2280]
38     fld=quikread_llc(['Eta.' myint2str(ts,10) '.data'],2160);
39     clf,quikplot_llc(fld),caxis([-2.5 2]),thincolorbar
40     title(ts)
41     pause(.1)
42     end
43    
44     ==============
45    
46     to determine empty tiles:
47     grep Empty STDOUT.*
48    
49     ==============
50    
51     memory requirements:
52     nPx sNx sNy nSx cpu node0 total rank0 rankm
53     936 180 180 2 san node ran out of memory and crashed with singlecpuio
54     1053 240 240 1 san node ran out of memory and crashed with singlecpuio
55     1300 216 216 1 san node ran out of memory and crashed with singlecpuio
56     1872 180 180 1 wes node ran out of memory and crashed with singlecpuio
57     1872 180 180 1 wes 21,377,644kb 3,294,676,080kb node ran out of memory with singlecpuio and bigmem=true:mem=90GB for node 0
58     1872 180 180 1 san node ran out of memory and crashed with singlecpuio
59     1872 180 180 1 san 11,558,588kb 1,356,676,140kb singlecpuio=.FALSE.
60     2925 144 144 1 san 8,374,668kb 1,538,454,112kb 886MB 892MB singlecpuio=.FALSE.
61     2925 144 144 1 san 27,284,996kb 4,942,949,704kb node ran out of memory and crashed with singlecpuio
62     3328 135 135 1 san rank 0 run out of memory
63     3328 135 135 1 san some random node run out of memory (full node for rank 0)
64     4212 120 120 1 san node ran out of memory
65     5200 108 108 1 san node ran out of memory
66    
67     =============
68    
69     2 = 2
70     3 = 3
71     2*2 = 4
72     5 = 5
73     2*3 = 6
74     2*2*2 = 8
75     3*3 = 9
76     2*5 = 10
77     2*2*3 = 12
78     3*5 = 15
79     2*2*2*2 = 16
80     2*3*3 = 18
81     2*2*5 = 20
82     2*2*2*3 = 24
83     3*3*3 = 27
84     2*3*5 = 30
85     2*2*3*3 = 36
86     2*2*2*5 = 40
87     3*3*5 = 45
88     2*2*2*2*3 = 48 * 45
89     2*3*3*3 = 54 * 40
90     2*2*3*5 = 60 * 36
91     2*2*2*3*3 = 72 * 30
92     2*2*2*2*5 = 80 * 27
93     2*3*3*5 = 90 * 24
94     2*2*3*3*3 = 108 * 20
95     2*2*2*3*5 = 120 * 18
96     3*3*3*5 = 135 * 16
97     2*2*2*2*3*3 = 144 * 15
98     2*2*3*3*5 = 180 * 12
99     2*2*2*3*3*3 = 216 * 10
100     2*2*2*2*3*5 = 240 * 9
101     2*3*3*3*5 = 270 * 8
102     2*2*2*3*3*5 = 360 * 6
103     2*2*2*2*3*3*3 = 432 * 5
104     2*2*3*3*3*5 = 540 * 4
105     2*2*2*2*3*3*5 = 720 * 3
106     2*2*2*3*3*3*5 = 1080 * 2

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