openmp

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OPenMP loop increment

Is it OK to use loop increment greater than 1? 开发者_高级运维#pragma omp parallel for schedule(dynamic, 1000)[详细]

2023-04-05 05:08 分类：问答
OpenMP: conditional use of #pragma

I\'m using OpenMP to improve my program efficiency on loops. But r开发者_开发百科ecently I discovered that on small loops the use of this library decreased performances and that using the normal way[详细]

2023-04-04 22:56 分类：问答
Parallelizing large loops and improving cache accesses

I have a code like the following which I am using to find prime numbers (using Eratosthenes sieve) within a range, and using OpenMP to parallelize. Before this,开发者_高级运维 I have a preprocessing s[详细]

2023-04-04 17:29 分类：问答
OpenMP - Running parallel code inside parallel code

I have a function compute() that has parallelized matrix multiplication inside of it using OpenMP #pragma omp parallel for[详细]

2023-04-03 13:19 分类：问答
Why does intel compiler produce output that requires libiomp5mt.dll, even though I ask for static linking?

I\'m compiling an openmp project with the /MT switch (or equivalently in visual studio settings, \"C++: Code Generation: Runtime Library: Multi Threaded\".[详细]

2023-04-01 16:07 分类：问答
OpenGL with OpenMP always segfault

I have in my program a loop that will fill an 3D cube with pixels (GL_POINTS), so to speed up things a little I thought i could use OpenMP and separate this for loop in my multi-core processor.[详细]

2023-04-01 01:48 分类：问答
How to profile OpenMP bottlenecks

I have a loop that has been parallelized by OpenMP, but due to the nature of the task, there are 4 critical clauses.[详细]

2023-03-30 18:18 分类：问答
OpenMP bug with Intel Compiler?

The following piece code #pragma omp parallel printf(\"%f\", 1.0f); produces the a \"Floating point exception\". Has anyone encountered anything like that?[详细]

2023-03-30 17:10 分类：问答
Openmp nested loop

just playing around with openmp. Look at this code fragments: #pragma omp parallel { for( i =0;i<n;i++)[详细]

2023-03-30 01:17 分类：问答
OpenCL, TBB, OpenMP

I have implemented few normal looping applications in OpenMP, TBB and OpenCL. In all these applications, OpeCL gives far better performance than others too when I am only running it on CPU with no spe[详细]

2023-03-29 15:20 分类：问答