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* Smith [#ofcf0768]
"Smith" is a computer cluster based on the Intel and Intel-compatible CPUs.
** Login nodes [#b65445bf]
To use the "Smith" system, log in to the following nodes:
-[smith] 133.1.116.161
-[rafiki] 133.1.116.162
-[tiamat] 133.1.116.211
To use the "sb100" system, use the following node:
-[sb100] 133.1.116.165
** How to login the login node [#y3d6531e]
To login "smith" type
ssh -l [userID] 133.1.116.161
or
ssh [userID]@133.1.116.161
In a case you allow the X11 forwarding, use
ssh -Y -l [userID] 133.1.116.161
or
ssh -Y [userID]@133.1.116.161
Currently, you get the following message upon login
-bash: /usr/local/g09/D01/g09/bsd/g09.profile: Permission denied
but it does not affect your work mostly.
NOTE: When you log in for the first time, change your initial password by typing
passwd
** How to submit your jobs [#pa13b1de]
To execute your program, use the queueing system, usually using a job script (see below).
For instance, to execute a script "job.sh" using the node (24 cores) in the group 10, type
qsub -q xh1.q -pe x24 24 job.sh
Note group and number of cores can be specified in the job script.
To see the job status, type
qstat
To see the job status of the specific user, type
qstat -u [user ID]
To cancel a job, use
qdel [job ID]
where the job ID can be obtained by using qstat (the number appearing in the first column).
*** Examples of job script [#u8b8a717]
- Groups 10, 11, 12
#$ -S /bin/bash
#$ -cwd
#$ -q xh1.q
#$ -pe x24 24
#$ -N CO
source /opt/setting/2016.4/intel-compiler.sh
source /opt/setting/2016.4/intel-mpi.sh
MPI_COMMAND=mpirun
I_MPI_PIN=1
I_MPI_FABRICS=shm:dapl
OMP_NUM_THREADS=1
cat $PE_HOSTFILE | awk '{ print $1":"$2/ENVIRON["OMP_NUM_THREADS"] }' > hostfile.$JOB_ID
$MPI_COMMAND ./a.out < input.dat > output.dat
**Computer nodes and queues [#gcad41b2]
| Group | Proc. | #Node/#CORE | Submission node | queue | paral. environ. | Inter-node |
|4 | xeon | 8/2 | smith/rafiki/tiamat | xe1.q | x8 | |
|5 | xeon | 12/2 | smith/rafiki/tiamat | xe2.q | x12 | |
|7 | core i7 sandy-bridge | 6/1 | sb100 | all.q | x6 | |
|8 | xeon sandy-bridge |16/2 | smith/rafiki/tiamat | xs2.q | x16 | |
|９ | xeon ivy-bridge |16/2 | smith/rafiki/tiamat | xi1.q | x16 | |
|10 | xeon Haswell | 24/2 | smith/rafiki/tiamat | xh1.q | x24 | infini-band |
|11 | xeon Haswell | 24/2 | smith/rafiki/tiamat | xh2.q | x24 | infini-band |
|13 | xeon Broadwell | 32/2 | smith/rafiki/tiamat | xb1.q | x32 | infini-band |
|14 | xeon Skylake | 32/2 | smith/rafiki/tiamat | x17.q | x32 | infini-band |
NOTE:
- To submit a job to group 8 nodes, login to sb100 and execute qsub
- To submit a job to other group nodes, login to smith and execute qsub
*** Group 4, 5 "xe" system [#e02a591e]
The "xe" system is composed of the nodes with the Xeon CPU, which have 2 CPUs (8 or 12 cores) per node. The parallel environment is x8 and x12.
*** Group 7 "sb100" system [#m1b620b9]
The "sb100" system is based on the Core i7 CPUs with the Sandy-bridge architecture. Each node has 1 CPU (6cores) with 16 GB memory. Fast calculations are possible thanks to the AVX function. The parallel environment is x6.
*** Group 8 "xs" system [#j5c755e2]
The "xs" system is based on the Xeon CPUs with the Sandy-bridge architecture. Each node has 1 CPU (6cores) with 32 GB memory. Fast calculations are possible thanks to the AVX function. The parallel environment is x16.
*** Group 9 "xi" system [#ldcc860e]
The "xi" system is based on the Xeon CPUs with the Ivy-bridge architecture. Each node has 2 CPUs (16cores) with 128 GB memory. Fast calculations are possible thanks to the AVX function. It is recommend to use this system for Gaussian calculations. The parallel environment is x16.
*** Group 10, 11, 12 "xh" system [#oc5448db]
The "xh" system is composed of the nodes with 2 Xeon CPUs (24 cores in total) and 64 GB memory. The parallel environment is x24.
*** Group 13 "xb" system [#h9aaaca9]
The "xb" system is composed of the nodes with 2 Xeon Broadwell CPUs (32 cores in total) and 64 GB memory. The parallel environment is x32.
*** Group 14 "x17" system [#h004b4e7]
The "x17" system is composed of the nodes with 2 Xeon Skylake CPUs (32 cores in total) and 64 GB memory. The parallel environment is x32.
** Network structure [#pa8ce3cd]
- ~ "|" indicates a network connection, "[]" name, for the computer node
+ Engineering intranet, ODINS network
|
| Backbone network( no access outside of engineering network)
| |
+- [smith] -----+ 133.1.116.161 Login & application server & backup server & file server
+- [rafiki] ----+ 133.1.116.162 Login & application server & backup server
+- [tiamat] ----+ 133.1.116.211 Login & Application server
| |
| +-- [xe00], [xe01] Calc. node, group 4 (each node has 8 cores (2CPUs)) paral. env.=x8 queue=xe1.q
| +-- [xe02]-[xe06] Calc. node, group 5 (each node has 8 cores (2CPUs)) paral. env.=x8 queue=xe1.q
| |
| +-- [xs01]-[xs18] Calc. node, group 8 (each node has 16 cores (2CPUs)) paral. env.=x16 queue=xs2.q
| |
| +-- [xi01]-[xi12] Calc. node, group 9 (each node has 16 cores (2CPUs)) paral. env.=x16 queue=xi1.q
| |
| +-- [xh01]-[xh17]
| +-- [xh19]-[xh34] Calc. node, group 10 (each node has 16 cores (2CPUs)) paral. env.=x16 queue=xe1.q
| +-- [xh18],[xh35]-[xh43] Calc. node, group 11 (each node has 24 cores (2CPUs)) paral. env.=x24 queue=xh2.q
| +-- [xb01]-[xb14] Calc. node, group 13 (each node has 32 cores (2CPUs)) paral. env.=x32 queue=xb1.q
| +-- [x1701]-[x1706] Calc. node, group 14 (each node has 32 cores (2CPUs)) paral. env.=x32 queue=x17.q
| |
| |
+- [sb100] -----+ 133.1.116.165 Login node for other groups
|
+-- [sb101]-[sb120] Calc. node, group 7 (each node has 6 cores (1 CPU))
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