openmp

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no parallel threads with openMP

My problem is that I get no parallelization with openMP. My system: ubuntu 11.4 Intel(R) Core(TM) i5 CPUM 430@ 2.27GHz[详细]

2023-03-25 09:11 分类：问答
OpenMP: Which examples can get a better performance gain?

Which one can gain a better performance? Example 1 #pragma omp parallel for private (i,j) for(i = 0; i < 100; i++) {[详细]

2023-03-22 19:06 分类：问答
openmp segmentation fault - strange behaviour

I\'m quite new at c++ and openmp in general. I have a part of my program that is causing segmentation faults in strange circumstances (strange to me at least).[详细]

2023-03-21 22:18 分类：问答
openmp Linker flags in MSVC

when I try to compile my project in MSVC2008 with the linker flag (Configuration properties>>Linker>>Command line>> Additional options) set to :[详细]

2023-03-21 08:34 分类：问答
in OpenMP, how can I make every single core runs a single thread?

I start to use OpenMP 3 days ago. I want to know how to use #pragma to make every single core runs a single thread. In more details:-[详细]

2023-03-20 08:50 分类：问答
error messages when writing Mex files, problem with array output from functions?

I am more of a Matlab programmer, and have not used C in years! Now I have to write some code in C and have it called from Matlab via the mexFunction command. So far so good. But my code requires many[详细]

2023-03-19 02:24 分类：问答
OpenMP "parallel for" is weird in specific program

I started programming about a month ago, and recently I\'ve been trying to learn multi-core development with OpenMP in C++ programs. I can\'t get OpenMP to work correctly for me in a large program I\'[详细]

2023-03-18 08:02 分类：问答
OpenMP: poor performance of heap arrays (stack arrays work fine)

I am a fairly experienced OpenMP user, but I have just run into a puzzling problem, and I am hopeful that someone here could help. The problem is that a simple hashing algorithm performs well for stac[详细]

2023-03-18 01:58 分类：问答
Problem deploying a project that uses Intel Parallel studio

So I have this small application of mine I\'m trying to deploy using visual studio. I have Intel parallel studio 2011 added to visual studio, and I\'m compiling this program using Intel within VS beca[详细]

2023-03-18 01:06 分类：问答
Segmentation fault when accessing a instance variable (implicit firstprivate) through Openmp task

This question is specific to the task construct in OpenMP 3.0 and its use of implicit firstprivate for C++. I am looking for an explanation of the problem and also possible solutions.[详细]

2023-03-16 23:27 分类：问答