Application Codes

1
Application Codes

• SSCK Workshop Introduction to HP XC6000 Cluster
  
• Paul WeberRechenzentrum, Universität Karlsruhe
  (TH)
• paul.weber_at_rz.uni-karlsruhe.de

2
Application Codes from ISVs

• From the planning phase for the new computer, the
  needs of university users and industrial users
  were considered
• Primary applications are
• Structural mechanics
• CFD
• Chemistry
• The requirement to the hardware provider was to
  supply the following CAE codes
• MSC.Nastran
• ABAQUS
• CFX-5
• Fluent
• StarCD
• Permas (evt.)

3
Application Codes from ISVs für HP XC6000

• There are Linux/Itanium implementations of all
  the required codes
• Some do not support DMP parallelisation (ABAQUS,
  PERMAS), but thread based parallisation could be
  used on the fat nodes
• None of the other codes have built-in the HP-MPI
  and so do not support the Quadrics QsNet
• Software vendors provide or announced special
  implementations for HP-MPI
• MSC.Nastran 2005
• CFX-5.7.1
• Fluent 6.2.9 (Beta)
• StarCD (announced)
• The new version 6.5-1 of ABAQUS allows MPI mode
  of parallelisation also for ABAQUS/Standard. Our
  aim is to get an ABAQUS, which also supports the
  HP-MPI

4
Submission of jobs

• The submission of the jobs uses the SLURM batch
  system, especially generates the job and the
  job_submit which submit the job
• Similar to the corresponding on the IBM RS/6000 SP

5
MSC.Nastran 2004

• nastranjob -j ID -t TIME -m MEMORY -c CLASS -p
  PROCS -d SDIRECTORY-T TIME-s
  STRING-P PATH -j jobname
  (notwendig) -t CPU time in minutes
  (necessary) -m memory requirement in
  MByte (necessary) -c job
  class (p or d) (necessary) -p number
  of parallel tasks -d environment
  variable for the scratch directory (WORK or
  TMP), default WORK -T real time in
  minutes -s string which contains
  additional parameters -P working
  directory
• MSC.Nastran is a pure solver, no
  pre/postprocessing

6
ABAQUS 6.4-1

• abqjob -j ID -t TIME -m MEMORY -c CLASS -T
  TIME -p PROCS-i FILE-o OLD-JOB-f
  FILE -u USERSUB-s STRING-P PATH
  -j jobname (notwendig) -t CPU time
  in minutes (necessary) -m memory
  requirement in MByte (necessary)
  -c job class (p or d) (necessary) -T real
  time in minutes -p number of parallel
  tasks -i inputfile (without .inp)
  -o old-job-name (in case of RESTART) -f
  new or append -u user subroutine
  -s string which contains additional parameters
  -P working directory
• Only the solver of version 6.5-1 will be
  supported, i.e. no pre/postprocessing

7
CFX-5.7.1

• cfx5job -j IDENT -c QUEUE -p PROCS -t TIME -m
  MEMORY -R NAME -s Optionen-String -T
  TIME -j jobname (name of the Def-file
  without .def necessary))
  -t CPU time in minutes(necessary)
  -m memory requirement in MByte (necessary)
  -c job class (p or d) -p number of
  parallel tasks (necessary) -T real time
  in minutes -R name of the results file
  in case of a restart -s string which
  contain additional options

8
Fluent 6.2.9

• fluentjob -j NAME -v VERSION -t CPU-Zeit -m
  MEMORY -c CLASS-T TIME-p PROCS-P
  PATH -j name of the journal file
  -v FLUENT version 2d, 3d, 2ddp oder
  3ddp (necessary) -t
  CPU-Zeit in Minuten (notwendig) -m
  memory requirement in MByte (necessary)
  -c job class (p or d) -T real time
  in minutes -p number of parallel
  tasks (Def. 1) -P working directory

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Fluent benchmark job