XL C/C++ 9.0, XL Fortran 11.1

Overview

For a brief overview of the new compilers, see Using the XL Compilers for Blue Gene

Improvements and new features for the Blue Gene/L version include:

Upgrade of the default language level option for C to extc99 allowing you to use C99 features and headers without having to explicitly specify extc99 in a suboption
Auto SIMD performance improvements
Improved tuning for MASS library functions
Additional features and enhancements for performance and optimization tuning
New or changed compiler options and directives

See the "What's new..." chapter of Getting Started with XL C/C++ for more changes in XL C/C++ 9.0.

Improvements and new features for the Blue Gene/L version include:

Enhanced support for Fortran 2003 including implementation of the full Fortran 2003 object-oriented model, I/O enhancements, scoping and data manipulation enhancements, procedure enhancements, and intrinsic function enhancements
Auto SIMD performance improvements
Improved tuning for MASS library functions
Additional features and enhancements for performance and optimization tuning
New or changed compiler options and directives

See the "What's new..." chapter of Getting Started with XL Fortran for more changes in XL Fortran 11.1.