IBM Open XL Compiler Flags, Common Operating System Commands and Environment Settings

Compilers: IBM Open XL C/C++ for AIX 17.1.0

Compilers: IBM Open XL Fortran for AIX 17.1.0

Libraries: tcmalloc version 2.7.1 + IBM AIX enablement patch Available for download at : https://github.com/gilamn5tr/gperftools/archive/refs/heads/aix-enablement-upstream.zip

Tcmalloc library has been built with IBM XL 16.1.0 with the compiler flags -O3 -qmaxmem=-1, where -qmaxmem=-1 permits each optimization to take as much memory as it needs without checking for limits

Operating systems: AIX V7.2 Technology Level 5, Service Pack 3 running on Power10 in Power9 compatibility mode

Sections

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Optimization Flags


Portability Flags


Compiler Flags