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heimbach |
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> Obtaining optimized BLAS routines for HPC platforms |
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> (e.g. O3K, Altix, Opteron, ...) |
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> heimbach@mit.edu, 9-Sep-2004 |
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> |
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> 1. |
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> Go to |
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> http://www.cs.utexas.edu/users/kgoto/ |
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> which has a set of high performance BLAS libraries for |
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> all kinds of platforms. |
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> |
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> 2. |
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> Download (e.g. for Opteron) |
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> http://www.cs.utexas.edu/users/kgoto/libraries/libgoto_opt64p-r0.94-2.so.gz |
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> which seems to be the suitable one for your Opteron 64 bit multi-threaded |
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> and put them in a directory, e.g. ~/mylib/ |
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> |
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> 3. |
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> As per website instruction, |
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> also need the file xerbla.f |
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> http://www.cs.utexas.edu/users/kgoto/libraries/xerbla.f |
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> Download it into the MITgcm/optim/ directory as |
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> xerbla.F (note capital F) |
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> (maybe cleaner to generate an object file and keep it in ~/mylib/ ) |
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> |
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> 4. |
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> in .bashrc added line |
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> export LD_LIBRARY_PATH=~/mylib |
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> (consistent with the directory where I keep the library) |
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> |
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> 5. |
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> in MITgcm/optim/ |
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> edit the Makefile as follows |
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> * add xerbla.F to $SRC |
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> * add -L~/mylib/ $LIBDIRS |
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> * add -lgoto_opt64-r0.94-2 $LIBS |
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> and ignore |
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> -lblas1 |
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> |
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> That works. |
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