Floating-Point Performance and Vectorization [Knowledgebase]
Challenge
Obtain excellent floating-point performance. Application and source-level optimizations in this area can help to ensure that an application's overall performance is aided as much as pos ...
Performance Penalties for Gradual-Underflow Behavior [Knowledgebase]
Challenge
Avoid the performance penalty associated with supporting floating-point gradual-underflow behavior in Fortran. The IEEE 754 and successor floating-point standards mandate the "gradual u ...
Being Successful with the Intel® Compilers -- You Need to Know [Knowledgebase] by Vangal Venkatesh
Introduction
This article is intended to assist developers new to the Intel compilers get maximum performance on IA-32, Intel® 64 and Itanium® processor platforms on the ...
Posted: 2009-11-02 12:22:03 by Brandon Hewitt (Intel), Vangal Venkatesh
Optimizing Applications with Intel(R) Parallel Composer [Knowledgebase] This document describes how developers can use Intel® Parallel Composer to optimize applications for IA-32 and Intel® 64 processors. It first shows some of the optimization features common to all ...
Posted: 2009-03-26 15:35:56 by Bonnie Aona (Intel), Martyn Corden (Intel)
Transfer correct settings and variable precisions from Win32 to Linux [Forums] I'm currently trying to compile a Fortran program - I've been using up to now on Windows (XP)/DOS command-line - under Linux (Kubuntu 8.10 on an Intel P8400). I cant manage to get the same results for ...
coarse grain split of the types of cycles executed [Forums] I am new to vtune, many of the performance counters are new to me and the manual 3B is huge :(is there a way to gain a ratio split between types of cycles executed, just the ratio between int,mem and ...
Posted: 2009-11-15 16:50:29 by titanius.anglesmith