Legacy IBM XL C/C++ compilers are still available for use

IBM® Open XL C/C++ for AIX® details

Adoption of the Clang and LLVM infrastructures

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Fully incorporates the Clang and LLVM compiler infrastructure. Enables you to enjoy modern C/C++ language features and common LLVM optimization features such as LLVM diagnostic and reporting capabilities.

Exploitation of the latest Power10 architecture

Fully exploits Power10 architecture. Provides Power10 architecture option, built-in functions, and tuned library functions to maximize the hardware ROI.

Link Time Optimization (LTO)

Provides program optimization during linking. Enables you to take advantage of intermodular optimizations without making any significant changes to the makefiles or build system.

Profile Guided Optimization (PGO)

Provides compiler optimization technique in computer programming that uses profiling to improve program runtime performance.

High-performance libraries

Provides a set of libraries for high-performance mathematical computing including the Mathematical Acceleration Subsystem (MASS) and Basic Linear Algebra Subprograms (BLAS).

Optimization reports

Provides information to help you utilize compiler features to optimize your applications.

Technical details

Software requirements

IBM Open XL C/C++ for AIX 17.1.0 is supported on the following operating system:

  • IBM AIX V7.2 TL5 SP3

Hardware requirements

IBM Open XL C/C++ for AIX 17.1.0 has the following hardware requirements:

  • Hard disk space: 500 MB
  • RAM: 2 GB minimum; 4 GB or more recommended