ATLAS (Automatically Tuned Linear Algebra Software) is an ongoing research effort on applying empirical techniques in order to provide performance. At present it provides C and Fortran 77 interfaces to a portably efficient BLAS implementation, as well as a few routines from LAPACK.





To see what versions of ATLAS are available type

module avail atlas

To see what other modules are needed, what commands are available and how to get additional help type

module help  atlas

To use ATLAS, include a command like this in your batch script or interactive session to load the atlas module:

module load atlas

Be sure you also load any other modules needed, as listed by the module help atlas command.

Compile your code with a command like 

gcc source.c  -o executable-name  -L$ATLAS/lib -l atlas

Run the executable with 


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