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Fortran is more popular than ever; Intel makes it FAST

Just this past week, a senior radio telescope astronomer told me about the shift from C++ back to Fortran in his corner of the world. It is all about efficiency.

Authored by James R. (Blackbelt) Last updated on 03/21/2019 - 12:00
Article

Intel® OpenMP C++/Fortran Compiler for Hyper-Threading Technology

by Xinmin Tian, Aart Bik, Milind Girkar, Paul Grey, Hideki Saito, and Ernesto SuSoftware Solutions Group, Intel Corporation

Authored by Hideki Ido (Intel) Last updated on 12/31/2018 - 14:00
Article

internal threshold was exceeded

In very large, complex functions, loops preceded by OpenMP directives may not be threaded. Compiler may emit the warning remark: "An internal threshold was exceeded: loops may not be vectorized or parallelized. Try to reduce routine size."
Authored by Martyn Corden (Intel) Last updated on 12/26/2018 - 13:11
Article

OMP: Error #15: Initializing libguide.lib, but found libguide40.dll already initialized.

Linker error generated when different parts of a program try to link both the static and dynamic versions of the OpenMP runtime. The solution is to expilcitly call out either a dynamic or static link.
Authored by Last updated on 12/26/2018 - 11:33
Article

Building application with -openmp but no OpenMP pragmas causes segmentation fault

Compiling an application with the -openmp option that does not contain OpenMP pragmas causes a segmentation fault due to stack size overrun.
Authored by Elizabeth S (Intel) Last updated on 05/25/2018 - 15:30
Article

How to use Intel® Compiler OpenMP* Compatibility Libraries on Windows*

The Intel® Compilers provide an OpenMP* runtime library to enable mixed Microsoft Visual C++* and Intel Compiler builds that both use OpenMP*.
Authored by admin Last updated on 05/25/2018 - 15:30
Article

Intel® Professional Edition Compilers 11.1 Fixes List

This page lists fixes that have been made in Intel Professional Edition Compilers 11.1.
Authored by Elizabeth S (Intel) Last updated on 05/25/2018 - 15:30
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

Performance hints for WRF on Intel® architecture

This note explains how to configure the Weather Research & Forecasting (WRF) run-time environment in order to achieve best performance and scalability on Intel® architecture with Intel® software tools.
Authored by Roman Dubtsov (Intel) Last updated on 06/14/2017 - 13:03