SSH logins to the Phi coprocessor fail if user's shell is not bash or sh

Authored by Lazaros K.

Hello all,

Last updated on 02/06/2014 - 17:05

Different results with -O0 -openmp or -O3 -openmp

Authored by Jack S.

Hi all, 

I developed a FORTRAN (F90) code (its a large model) with the following compilation flags :

ifort -g -O0 -openmp -openmp_report -threads -ipo

Last updated on 14/04/2014 - 10:44

performance issue of operating on overlap area between two arrays

Authored by Guangming T.

Hi, My application program needs a lot of operators (copy/accumulate...) on two arrays' overlap. In most cases, the overlap area is not very large. A typical size is 100x100*2.

Last updated on 22/04/2014 - 16:42

Debug/release versions of .mod files

Authored by Simon B.

If I have separate debug and release versions of a Fortran module, the difference being solely one of compiler flags, will the .mod file differ between them?

Last updated on 14/04/2014 - 06:49

GFlops on MIC

Authored by Timocafe

Hello Intel,

Last updated on 22/04/2014 - 16:41

write(*,*) in function called by another write(*,*)

Authored by Simon


I used to put some "write(*,*)" in my code when I want quick and easy checks of what is happening.

Today I encountered an error while doing this with ifort :

Last updated on 14/04/2014 - 07:16

problem with openmp directives in gedit/emacs

Authored by Marios G.

Hello everyone,

Last updated on 15/04/2014 - 03:30

About ~/intel/ism/rm

Authored by John


I apologize in advance if this is the wrong forum for the question.

Last updated on 15/04/2014 - 21:05

Examples of adding external data to the VTune(TM) Amplifier and Using a custom collector

Authored by Peter Wang (Intel)

VTune™ Amplifier XE supports two kinds of performance data collection, they are for “algorithm level tuning” and “microarchitecture level tuning”.

Last updated on 17/04/2014 - 22:44

Strange behavior in data assignment/output

Authored by Christoph N.


I'm sorry for this unspecific subject but it's hard to find a title for this problem. I have the following minimal example:

File: base.f90

Last updated on 16/04/2014 - 07:53