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    Overview   Hardware   Software   Batchjobs   Hints  

 

Hints and FAQ for Karlsen

Q1: Which compilers are available?
Q2: How to compile and run a "autoparallel" program?
Q3: How to compile and run a MPI-program?
Q4: Where can I find online documentation (manuals)?
Q5: How do I review the messages flashing over the screen when I log in.


Q1: Which compilers are available?
  These compilers are available:

Compiler Description Documentation
f77 Fortran 77 compiler See: man f77
f90 Fortran 90 compiler See: man f90
cc c compiler See: man cc
CC C++ compiler See: man CC
pghpf The Portland Group compiler suite See: man pghpf
gcc GNU c and c++ compiler See: man gcc
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Q2: How to compile and run a "autoparallel" program?
  The compiler is able to parallize a sequential program by using the '-apo' compiler switch.
When executing the program, first set the environment variable NUM_THREADS to the desired number of tasks,
f.ex.: setenv NUM_THREADS 4
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Q3: How to compile and run a MPI-program?
  You must link against the MPI libraries: f77 -o prog.exe prog -lmpi
Use 'mpirun' when executing the program,
f.ex.: mpirun -np 6 ./prog.exe
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Q4: Where can I find online documentation (manuals)?
  You can browse all SGI manuals here
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Q5: How do I review the messages flashing over the screen when I log in.
  Use this command: nyt
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