IBM XL C/C++ for Linux key features

OpenMP support

Allows you to offload compute-intensive parts of an application and associated data to the NVIDIA GPUs by using the OpenMP device constructs.

Read the documentation

Exploitation of the latest POWER9 architecture

Provides the architecture and tune compiler options and built-in functions to explore POWER9™.

Read the documentation

High performance libraries

Includes the Mathematical Acceleration Subsystem (MASS) and Basic Linear Algebra Subprograms (BLAS) libraries for high-performance mathematical computing.

Read the documentation

Profile-directed feedback (PDF)

Tunes the performance of your application for a typical usage scenario; optimizes the application based on an analysis of how often branches are taken and blocks of code are run.

Read the documentation

Interprocedural analysis (IPA)

Optimizes across different files (whole-program analysis), and it can result in significant performance improvements.

Read the documentation

Language standard compliance

IBM® XL C/C++ for Linux is C11 and C++11 compliant and supports a subset of the C++14 standard.

Read the documentation

Diagnostic reports

Provides important information to help you develop and debug your applications more efficiently with the compiler listings, XML reports, and HTML reports.

Read the documentation

Symbolic debugger support

Provides debugging information in your compiled objects when you use different levels of the -g compiler option.

Read the documentation

Entity visibility attributes

Visibility attributes describe whether and how an entity that is defined in one module can be referenced or used in other modules. Visibility attributes affect entities with external linkage only, and they cannot increase the visibility of other entities. By specifying visibility attributes for entities, you can export only the entities that are necessary to shared libraries.

Read the documentation

Vector programming

Provides language extensions to support vector multimedia extension (VMX) and vector scalar extension (VSX) programming.

Read the documentation

Customer case study

  • Exceptional performance on IBM Power Systems - Journey of an HPC Researcher

Technical details

Software requirements

  • Ubuntu Server 16.04 or 18.04
  • SLES 12 or SLES 12 SP3
  • RHEL 7.3, RHEL 7.4, or RHEL 7.5
  • CentOS 7

Hardware requirements

You can use any IBM Power Systems™ server as long as it is supported by your operating system distribution.

  • Approximately 153 MB for product packages
  • Minimum of 2 GB hard drive space for paging
  • Minimum of 512 MB for temporary files
  • 2 GB RAM minimum; 4 GB or more RAM recommended

You may also be interested in

Other products in the IBM Compiler Family

IBM XL C for AIX

Leading optimizing compiler for POWER processors

Learn more

IBM XL C/C++ for AIX

Leading optimizing compiler for POWER processors

Learn more

IBM XL Fortran for AIX

Leading optimizing compiler for POWER processors

Learn more

IBM XL Fortran for Linux

Improve application performance with advanced compilation technologies

Learn more
See more products in this family

Buy now and get started

View pricing and buy

Learn more

Download now

Expert resources to help you succeed

Community

Get technical tips and insights from others who use this product.

IBM Knowledge Center

Find answers quickly in IBM product documentation.

Support

Learn more about product support options.