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:

作者: 最后更新时间: 2018/06/01 - 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.

作者: 最后更新时间: 2018/06/01 - 10:30
Forum topic

Open cores using openmp

Is there any way I can summon nCores with OpenMP?

作者: 最后更新时间: 2018/06/01 - 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).

作者: 最后更新时间: 2018/06/01 - 10:30
Forum topic

how to enable work-stealing

Dear all,

作者: 最后更新时间: 2018/06/01 - 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.

作者: 最后更新时间: 2018/06/01 - 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?

作者: 最后更新时间: 2018/06/01 - 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.

作者: 最后更新时间: 2018/06/01 - 10:30
Forum topic

parallel spin-flip with OpenMP

Hello everyone,

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

 

作者: 最后更新时间: 2018/06/01 - 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;

作者: 最后更新时间: 2018/06/01 - 10:30