openmp

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Combine Thread Results with openmp

I have some problems combining the processing results I recieve from several Threads. And I\'m not sure, if I use openmp correctly. The below code extract shows the openmp portion of my code.[详细]

2023-03-06 18:14 分类：问答
non square matrices multiplication

This code doesn\'t work except for squared matrices like a[4][4], b[4][4], result2[4][4] but it didn\'t work for a[4][10], b[10][10], result2[4][10][详细]

2023-03-06 11:31 分类：问答
Can I check which version of OpenMP I have installed?

I am trying to find out which version o开发者_如何学Gof OpenMP is installed on my machine. It\'s a Linux box I am connected to using ssh.[详细]

2023-03-06 10:29 分类：问答
Can mutex implementations be interchanged (independently of the thread implementation)

Do all mutex implementations ultimately call the same basic system/hardware calls - meaning that they can be interchanged?[详细]

2023-03-06 05:12 分类：问答
openMP and SSE, my program doesn't speed up

Here is a part of my code which runs parallel: timer.Start(); for(int i = 0; i < params.epochs; ++i)[详细]

2023-03-05 10:48 分类：问答
c#/wpf OpenMP inside external dll

I have some c++ lib, a \'glue\' lib in managed c++ and C#/WPF app importing the \'glue\' lib. Everything works fine till I add some[详细]

2023-03-04 20:25 分类：问答
OpenMP slows down program instead of speeding it up: a bug in gcc?

I will first give some background about the problem I\'m having so you know what I\'m trying to do. I have been helping out with the development of a certain software tool and found out that we could[详细]

2023-03-04 19:50 分类：问答
OpenMP shared data

I\'m somewhat new to OpenMP but have experience with parallel processing in general. I worked with boost::threads before and now I\'m testing around with openmp.[详细]

2023-03-04 15:14 分类：问答
shell sort in openmp

Is anyone familiar with openmp, I don\'t get a sorted list. what am I doing wrong. I am using critical at the end so only one thread can access that section when it\'s been sorted. I guess my private[详细]

2023-03-03 10:37 分类：问答
Collapse clause being ignored in #pragma omp for

I have the following C code using OpenMP: #pragma omp parallel default(none) private(i, j, k) shared(lb0, ub0, lb1, ub1, lb2, ub2, g, current, update, diff, dg)[详细]

2023-03-03 07:09 分类：问答