This directory contains the redistributable C++, Fortran, Math, Scientific and Garbage collection libraries of the Oracle Solaris Studio 12.4. If you have Oracle Solaris Studio 12.4 already installed, you may use those libraries, especially if you have a support contract, which allows you to run the latest versions. Oracle Solaris Studio 12.4 is freely available and can be downloaded via http://www.oracle.com/technetwork/server-storage/solarisstudio/downloads/index.html. To make your 32bit applications pick up the libraries automatically, just add the following lines to your .profile/.bashrc: export LD_LIBRARY_PATH_32=@CLIENT_BASEDIR@/lib/solarisstudio-12.4 export LD_LIBRARY_PATH_64=@CLIENT_BASEDIR@/lib/solarisstudio-12.4/amd64 or your .tcshrc: setenv LD_LIBRARY_PATH_32 @CLIENT_BASEDIR@/lib/solarisstudio-12.4 setenv LD_LIBRARY_PATH_64 @CLIENT_BASEDIR@/lib/solarisstudio-12.4/amd64 Alternatively you may also symlink them to the corresponding path in /usr/lib/. As usual for Sun Performance and Parallel compute libraries, allow using more than a single CPU thread/strand may improve the performance of your application (see psrinfo). E.g. for bash like shells: export OMP_NUM_THREADS=4 or for tcsh: setenv OMP_NUM_THREADS 4