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Forum topic

Effeciently parallelizing the code in fortran

Hi,

I am trying to parallelize a certain section of my code which is written in fortran. The code snippet looks as below:

Criado por Última atualização em 01/06/2018 - 10:30
Forum topic

__kmpc_push_num_threads bug?

I use __kmpc_push_num_threads for support num_threads clause. But it is segmentation fault when call __kmp_push_num_threads.

Criado por Última atualização em 01/06/2018 - 10:30
Forum topic

Open cores using openmp

Is there any way I can summon nCores with OpenMP?

Criado por Última atualização em 01/06/2018 - 10:30
Forum topic

Compiler flags

Dear all,

I am looking for flag option that used to generate intermediate representation of OpenMP* on icc, such as explain in (1.7.1 Work Sharing Example).

Criado por Última atualização em 01/06/2018 - 10:30
Forum topic

how to enable work-stealing

Dear all,

Criado por Última atualização em 01/06/2018 - 10:30
Forum topic

How do I know in which core my thread is running

Hello guys.

I'm trying to scale a for loop but I'm getting even worse results.

My serial code runs in 30s but my openmp version completed in 200s.

This is my pragma.

Criado por Última atualização em 01/06/2018 - 10:30
Forum topic

Building on Mac OS X 10.9

I'm trying to build the openmprtl on Mac OS X 10.9, to be used with OpenMP/Clang project. Is this supposed to be possible?

Criado por Última atualização em 01/06/2018 - 10:30
Forum topic

stack overflow on 64bit server but not on 32bit notebook

One of my recent tasks is to parallelize a fairly large program in Fortran 90. The subroutine I am targeting spends a great time doing a computationally extensive loop.

Criado por Última atualização em 01/06/2018 - 10:30
Forum topic

parallel spin-flip with OpenMP

Hello everyone,

I trying to run parallel the above simple spin-flip program:

 

Criado por Última atualização em 01/06/2018 - 10:30
Forum topic

icc does not scale compared to gcc

Hi,

I wrote a very simple OpenMP program to analyze how well does it scale with the number of threads:

int main (void) { const int N=1000000; double sum;

Criado por Última atualização em 01/06/2018 - 10:30