Advanced optimizing compiler for IBM Power Systems running Linux distributions

No-charge, fully functional Community Edition

IBM® XL Fortran for Linux is a standards-based, high-performance Fortran compiler with advanced optimization and performance-tuning features. It enables the development of parallel applications that exploit the latest IBM POWER8® processor with multi-core and vector features. XL Fortran for Linux optimizes your infrastructure on IBM Power Systems™ in support of extensive numerical, scientific and high-performance computing.

IBM XL Fortran for Linux delivers:

Support for a commonly used subset of CUDA Fortran

A single XL Fortran offering for both big endian and little endian Linux distributions

(Little endian) Offers an unlimited license, no-charge, fully functional Community Edition

Leading-edge optimization and performance tuning technology

High-performance libraries

Profile-driven optimization

Language standard compliance

Enables ease of application acceleration using OpenMP 4.5

XL Fortran for Linux resources

Always up-to-date system requirement reports can be dynamically generated using the Software Product Compatibility Reports (SPCR) tool.

For your convenience, the tabs below identify the supported releases of XL Fortran for Linux from which you can select detailed system requirement reports for different contexts (by Operating System, by component). Note that clicking a link will always generate a new, up-to-date report.

Tab navigation

15.1.5 Release

15.1.4 Release

15.1.3 Release

15.1.2 Release

15.1.1 Release

15.1 Release

14.1 Release

13.1 Release

XL Fortran for Linux, V15.1.5 for little endian distributions delivers:


A no-charge, fully functional Community Edition

Ease of application acceleration using OpenMP 4.5

Exploitation of the latest POWER8 architecture

Partial support for CUDA Fortran

Miscellaneous updates

Access the following resources to download the licensed version and Community Edition of the compiler products.

Not in United States?

Contact IBM

Considering a purchase?