Introducing XL Fortran

IBM® XL Fortran for Linux, V15.1.1 is an advanced, high-performance compiler that can be used for developing complex, computationally intensive programs, including interlanguage calls with C programs.

This section contains information about the features of the XL Fortran compiler at a high level. It is intended for people who are evaluating the compiler, and for new users who want to find out more about the product.

Commonality with other IBM compilers
IBM XL Fortran for Linux, V15.1.1 is part of a larger family of IBM C, C++, and Fortran compilers. XL Fortran, together with XL C/C++, comprises the family of XL compilers.
Operating system and hardware support
This section describes the operating systems and hardware that IBM XL Fortran for Linux, V15.1.1 supports.
A highly configurable compiler
You can use a variety of compiler invocation commands and options to tailor the compiler to your unique compilation requirements.
Language standard compliance
IBM XL Fortran for Linux, V15.1.1 supports the following Fortran programming language specifications.
Tools, utilities, and commands
This topic introduces the main tools, utilities, and commands that are included with XL Fortran. It does not contain all compiler tools, utilities, and commands.
Advance Toolchain 8.0 support
IBM XL Fortran for Linux, V15.1.1 fully supports IBM Advance Toolchain 8.0, which is a set of open source development tools and runtime libraries. With IBM Advance Toolchain, you can take advantage of the latest POWER® hardware features on Linux, especially the tuned libraries.
Program optimization
XL Fortran provides several compiler options that can help you control the optimization and performance of your programs.
Shared memory parallelization
XL Fortran supports application development for multiprocessor system architectures.
Diagnostic listings
The compiler output listings and the XML or HTML reports provide important information to help you develop and debug your applications more efficiently.
Symbolic debugger support
You can instruct XL Fortran to include debugging information in your compiled objects by using different levels of the -g or -qdbg compiler option.

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