IBM XL Fortran for AIX - Software Subscription and Support Renewal (1 year) - 1 authorized user

IBM XL Fortran (XLF) is a native and highly optimized compiler that exploits RS/6000 architecture. It provides full support for the OpenMP Fortran API V2.0, an industry-standard API for multi-platform SMP programming on UNIX -based platforms. It supports both the automatic parallelization of a Fortran program and explicit parallelization through a set of directives so the user can parallelize selected program sections. It not only provides source code compatibility with existing Fortran 95, Fortran 90 and FORTRAN 77 programs, but also has enhanced source-code and command line options compatibility with non-IBM compilers.

XLF for AIX supports asynchronous I/O, often useful for programs that perform I/O for large amounts of data. Asynchronous I/O may make it possible for other program statements to be executed while the data transfer is taking place.