/[MITgcm]/MITgcm_contrib/llc_hires/llc_2160/readme.txt
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Contents of /MITgcm_contrib/llc_hires/llc_2160/readme.txt

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Revision 1.5 - (show annotations) (download)
Mon Nov 4 16:06:42 2013 UTC (11 years, 8 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 For interactive session, Ivy Bridge nodes:
2 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
7 ==============
8
9 cd ~/llc_2160
10 cvs co MITgcm_code
11 cvs co MITgcm_contrib/llc_hires/llc_2160
12 cd MITgcm
13 module purge
14 module load comp-intel/2012.0.032 mpi-sgi/mpt.2.08r7 netcdf/4.0
15 mkdir build run
16 lfs setstripe -c -1 run
17 cd build
18 cp ../../MITgcm_contrib/llc_hires/llc_2160/code/SIZE.h_90x90_5004 SIZE.h
19 ../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 make depend
23 make -j 16
24 cd ~/llc_2160/MITgcm/run
25 ln -sf ../build/mitgcmuv .
26 ln -sf /nobackup/dmenemen/tarballs/llc_2160/run_template/* .
27 ln -sf /nobackup/dmenemen/forcing/ECMWF_operational/* .
28 cp ../../MITgcm_contrib/llc_hires/llc_2160/input/* .
29 mv data.exch2_90x90x5004 data.exch2
30 export MPI_NUM_MEMORY_REGIONS=256
31 mpiexec -n 6600 ./mitgcmuv
32
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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