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Code optimization with the IBM XL compilers on Power architectures

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Abstract

The IBM XL compiler family offers C, C++, and Fortran compilers on Power architectures built on an industry-wide reputation for robustness, versatility and standards compliance. A significant strength of these compilers is in their optimization capabilities, the ability to improve code generation and produce fast-executing code on Power processor based systems. This document introduces the most important capabilities and describes the compiler options, source constructs, and techniques that you can use to maximize the performance of your application.


xl_optimization.pdfxl_optimization.pdf


Cross reference information
Product Component Platform Version Edition
XL Fortran for AIX Documentation AIX 10.1, 11.1, 12.1, 13.1, 14.1, 15.1, 15.1.2, 15.1.3, 16.1
XL C for AIX Documentation AIX 10.1, 11.1, 12.1, 13.1, 13.1.2, 13.1.3
XL C/C++ for Linux Documentation Linux 10.1, 11.1, 12.1, 13.1, 13.1.1, 13.1.2, 13.1.3, 13.1.4, 13.1.5, 13.1.6, 16.1.0, 16.1.1
XL Fortran for Linux Documentation Linux 10.1, 11.1, 12.1, 13.1, 14.1, 15.1, 15.1.1, 15.1.2, 15.1.3, 15.1.4, 15.1.5, 15.1.6, 16.1.0, 16.1.1
XL C/C++ for AIX Documentation AIX, IBM i 10.1, 11.1, 12.1, 13.1, 13.1.2, 13.1.3, 16.1

Document information

More support for: XL C/C++ for Linux

Component: Documentation

Software version: 7.0, 8.0, 9.0, 10.1, 11.1, 12.1, 13.1, 13.1.2, 13.1.3, 13.1.4, 13.1.5, 13.1.6, 16.1.0, 16.1.1

Operating system(s): Linux

Reference #: 7005174

Modified date: 13 December 2018