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Being Successful with the Intel® Compilers -- You Need to Know

Tips and techniques on using the Intel® Compilers to maximize your application performance.
Authored by Last updated on 03/05/2019 - 22:07
Article

Intel® Compiler - How can I generate optimized code to run on any IA-32 or Intel®64 architecture processor?

Some frequently used optimization switches of the Intel Compiler are described
Authored by admin Last updated on 05/25/2018 - 15:30
Article

Performance Tools for Software Developers - SSE generation and processor-specific optimizations continued

Can I combine the processor values and target more than one processor? How to generate optimized code for both Intel and AMD* architecture? Where can I find more information on processor-specific optimizations?
Authored by admin Last updated on 05/25/2018 - 15:30
Article

Intel® MKL and Intel® IPP: Choosing a High Performance FFT

The purpose of this document is to help developers determine which FFT, Intel® MKL or Intel® IPP is best suited for their application.
Authored by Last updated on 07/31/2019 - 14:23
Article

Requirements for Vectorizable Loops

Vectorization is one of many optimizations that are enabled by default in the latest Intel compilers. In order to be vectorized, loops must obey certain conditions, listed below. Some additional ways to help the compiler to vectorize loops are described.
Authored by Martyn Corden (Intel) Last updated on 03/27/2019 - 14:36
Article

IA-32 and Intel®64 Processor Targeting Overview

The compiler supports many options that tune or optimize an application for different Intel and non-Intel processors. Differences are explained, and the switches /arch, /Qx..., /Qax... (Windows*) and -m, -x..., -ax... (Linux*, Mac OS* X) are recommended.
Authored by Martyn Corden (Intel) Last updated on 05/25/2018 - 15:30
Article

Determining Root Cause of Segmentation Faults SIGSEGV or SIGBUS errors

SIGSEGV on Linux and SIGBUS on MacOS Root Causes
Authored by admin Last updated on 12/26/2018 - 14:09
Article

Threading Fortran Applications for Parallel Performance on Multi-Core Systems

Advice and background information is given on typical issues that may arise when threading an application using the Intel Fortran Compiler and other software tools, whether using OpenMP, automatic parallelization or threaded libraries.
Authored by Martyn Corden (Intel) Last updated on 12/12/2018 - 18:00
Article

User Specified Weighting for PGO .dyn Files Now Available

The Intel® C++ Compiler 11.1 Professional Edition now allows you to merge .dyn files with customized weighting.
Authored by Last updated on 12/27/2018 - 10:47
Article

Using Tasking in OpenMP* with the Intel® Fortran Compiler

The multi-core performance of a legacy Fortran benchmark unsuited to data parallelism is enhanced by threading using the TASK construct of OpenMP and the Intel Fortran Compiler. The necessary source code changes are explained in detail.
Authored by Martyn Corden (Intel) Last updated on 07/04/2019 - 10:00