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

Which applications are most likely to benefit from recompilation for Intel® Advanced Vector Extensions (Intel® AVX)?

Applications containing vectorizable, floating-point loops or calls to performance libraries are the most likely to see significant performance gains from rebuilding for the Intel® Advanced Vector Extensions (Intel® AVX)
Authored by Martyn Corden (Intel) Last updated on 08/22/2018 - 17:05
Blog post

OpenMP* 4.0 may offer important solutions for targeting and vectorization

The upcoming OpenMP 4.0 will be discussed at SC12, and there wil

Authored by James R. (Blackbelt) Last updated on 05/28/2018 - 18:28
Article

Diagnostic 15304: non-vectorizable loop instance

Product Version: Intel® Fortran Compiler 15.0 and a later version 

Authored by Devorah H. (Intel) Last updated on 05/25/2018 - 15:30
Article

Diagnostic 15414: Loop was not vectorized: loop body became empty after optimizations

Product Version: Intel® Fortran Compiler 15.0 and above

Authored by Devorah H. (Intel) Last updated on 12/28/2018 - 12:29
Article

Diagnostic 15523: Loop was not vectorized: cannot compute loop iteration count before executing the loop.

Product Version: Intel(R) Visual Fortran Compiler XE 15.0 or a later version

Authored by Devorah H. (Intel) Last updated on 05/25/2018 - 15:30
Article

Diagnostic 15310: xxxx was not vectorized: operation cannot be vectorized

Product Version: Intel® Fortran Compiler 15.0 and a later version 

Authored by admin Last updated on 05/30/2018 - 07:08
Article

Diagnostic 15340: pragma supersedes previous setting

Authored by admin Last updated on 05/30/2018 - 07:08