Intel Parallel Studio XE 2017 was installed. Systems: gwacsg, gwacsl Please refer the following informaio to know the detail. Release note: https://software.intel.com/sites/default/files/managed/82/18/PSXE2017_Release_Notes_en_US_Lin_Win.pdf Manuals are available in https://hokusai.riken.jp. [Documents] -> [Application Computing Server(Intel Parallel Studio XE Composer Edition 2017)] -> [C++ Compiler and libraries] -> [Fortran Compiler and libraries] -> [Intel MPI] How to comple a code without MPI [username@greatwave1 ~]$ module load intel [username@greatwave1 ~]$ icc test.c How to compile a code with MPI [username@greatwave1 ~]$ module load intel [username@greatwave1 ~]$ mpiicc test.c