Forum topic

OpenMP slower than no OpenMP

Here is a Friday post that has a sufficient lack of information that will probably be impossible to answer.  I have some older Fortran code I'm trying to improve the performance of.

Authored by joe Last updated on 09/28/2018 - 14:18
Forum topic

OpenMP and MKL

Hello,

I have a program where at one point I call a function.

Authored by Gordon F. Last updated on 06/24/2016 - 12:29
Forum topic

MPI/openMP segmentation error

Hello,

when I run my program on two nodes, and set the number of threads larger than 1 (i.e., 2-16 threads), I've encountered the segmentation error:

Authored by Last updated on 02/16/2017 - 19:44
Forum topic

MPI openmp fopenmp oopenmp qopenmp

On Linux, using Eclipse, I am creating a C project that uses a combination of MPI and OpenMP.

Authored by jimdempseyatthecove (Blackbelt) Last updated on 06/14/2016 - 08:32
Forum topic

OpenMP problem with Threads Number

Hi,

Authored by Last updated on 05/01/2018 - 21:44
Forum topic

how to run the hybrid MPI/OpenMP

Hi, Dear Sir or Madam,

Authored by dingjun.chencmgl.ca Last updated on 01/07/2015 - 15:21
Forum topic

Stack Overflow because of OpenMP on Windows

Hi,

Authored by Last updated on 05/05/2016 - 06:38
Forum topic

Tutorial on analyzing hybrid OpenMP+MPI applications

Discover how to use Intel® Parallel Studio to tune hybrid applications by reviewing MPI utilization inefficiencies and balancing thread load levels.

Authored by Gergana S. (Blackbelt) Last updated on 11/29/2017 - 08:46
Forum topic

efficent methood for hybrid OpenMP and MPI

Hi, I have a question about an efficient method for extending well implemented scientific code written using C++ and OpenMP, to MPI layer.

Authored by Lukasz S. Last updated on 11/23/2016 - 11:47
Forum topic

Distributing a single OpenMP task on multiple cores

Hi! I've tried reading up on this forum and throughout the documentation, without success and was hoping you could help me.

Authored by rincent, antoine Last updated on 06/06/2019 - 12:12