When you need the ultimate performance on IBM's POWER systems, the IBM XL compilers are the recommended vehicle. XL C/C++ for Linux is a highly advanced optimizing compiler, and XL Fortran is the compiler of choice for the scientific and engineering communities to support extensive numerical, scientific and high-performance computing.
The following product pages contain recommended updates for the IBM XL compilers on the following platforms:
The product updates:
July 2011 Update for XL C/C++ for Linux, V11.1
The runtime updates:
July 2011 Runtime for XL C/C++ for Linux, V11.1
For more information on the XL compilers, check out these pages: