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Analyze openmp program - no openmp region displayed

Hi, I'm alayzing my openmp program using Intel vtune 2016. I used the -fopenmp flag when compiling and it runs on a 4-core machine.

Authored by Last updated on 06/05/2016 - 02:26
Forum topic

Intel OpenMP vs LLVM OpenMP runtimes

Hello,

Authored by Richard, Jérôme Last updated on 09/11/2018 - 09:11
Forum topic

TBB vs. OpenMP

I'm just wondering why should we use TBB instead of OpenMP in HPC aplications? Is there any specific featrue(s) that separate this libraray from OpenMP?

Authored by Last updated on 12/10/2015 - 01:53
Forum topic

icpc: -openmp not supported

Hi.

I am trying to compile simple code using openmp.

Here is the code (file test.cpp):  

Authored by rewqre f. Last updated on 10/27/2016 - 23:30
Article

Parallelization Using OpenMP*

 

Compiler Methodology for Intel® MIC Architecture

Authored by admin Last updated on 03/21/2019 - 12:00
Forum topic

OpenMP min/max reduction

A knowledgeable customer asked why there is no OpenMP min or max reduction for C, as there is for Fortran. I agreed this seems useful.

Authored by Tim P. (Blackbelt) Last updated on 05/08/2014 - 13:45
Forum topic

use OpenMP in Xcode

i want to use OpenMP lib in Xcode with intel compiler, but when i use "#include <omp.h>" it show me "'omp.h' file not found".

Authored by jafari, ali Last updated on 03/05/2019 - 13:36
Forum topic

OpenMP 4.0 target directives

I tried to get an OpenMP 4.0 test case to run where the code calls a user library that is compiled for host and mic (-mmic)

Authored by Last updated on 04/03/2014 - 20:45
Forum topic

Debugging OpenMP programs

Hello,

I have a program - call it A - that makes heavy use of OpenMP. I see the CPU time going down as I increase the number of threads in my "#pragma omp for" loops.

Authored by mullervki Last updated on 02/05/2019 - 14:40
Forum topic

OpenMP with multiple processes

 

I have an computational application which makes heavy use of fork to generate subprocesses which carry out (mostly) independent calculations.

Authored by schwitrs Last updated on 01/30/2015 - 11:16