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Questions tagged openmp

32 questions

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24
votes
1
answers

Difference between OpenMP threadprivate and private

parallel-processing openmp private
asked 2013-08-02T16:43:38.607
12
votes
1
answers

How to write #pragma openmp in multiple lines?

c openmp pragma
asked 2013-07-14T23:13:34.770
14
votes
2
answers

Main differences between threading with shared memory and MPI?

c++ multithreading task openmp tbb
asked 2013-06-14T10:52:03.250
8
votes
2
answers

OpenMP reduction with overloaded operator

c++ parallel-processing operator-overloading openmp
asked 2013-04-23T18:04:48.600
13
votes
2
answers

not sure what should be SHARED or PRIVATE in openmp loop

loops parallel-processing fortran openmp
asked 2013-01-16T14:41:51.337
10
votes
2
answers

Missing ___emutls_get_address with gcc-4.7 and openMP

gcc openmp dynamic-linking gcc4.7
asked 2012-11-16T10:30:49.620
8
votes
1
answers

How to find out if inside an openMP parallel region?

c++ c openmp
asked 2012-10-22T12:17:26.410
10
votes
1
answers

omp pragmas outside omp parallel block

c++ c openmp
asked 2012-09-07T11:00:29.747
9
votes
1
answers

Atomic Minimum on x86 using OpenMP

c++ x86 openmp atomic minimum
asked 2012-09-04T00:05:14.373
9
votes
3
answers

OpenMP and C parallel for loop: why does my code slow down when using OpenMP?

c gcc openmp
asked 2012-08-23T15:51:43.073
8
votes
1
answers

OMP - more threads than the number of processors?

c++ c openmp
asked 2012-07-27T16:32:48.133
16
votes
1
answers

Detect clusters of circular objects by iterative adaptive thresholding and shape analysis

c++ algorithm image-processing opencv openmp
asked 2012-07-24T12:47:20.170
12
votes
1
answers

OpenMP with MSVC 2010 Debug build strange bug when object are copied

c++ visual-c++ openmp
asked 2012-07-13T22:49:44.670
31
votes
4
answers

Getting started with openMP. install on windows

windows installation openmp
asked 2012-06-18T08:54:08.173
14
votes
2
answers

How to tell if OpenMP is working?

c++ openmp libsvm
asked 2012-05-07T11:55:05.227
12
votes
1
answers

c++: OpenMP and non-random-access STL containers - a possible workaround

c++ multithreading stl parallel-processing openmp
asked 2012-05-03T14:03:29.837
10
votes
1
answers

How to globally set the default clause to none?

c++ openmp shared-memory
asked 2012-03-17T19:57:05.033
8
votes
4
answers

OpenMP threads executing on the same cpu core

c++ linux openmp virtualbox
asked 2012-02-21T01:06:43.597
11
votes
3
answers

Using OpenMP and Eigen causes infinite loop/deadlock

c++ openmp eigen
asked 2012-01-11T23:58:56.237
21
votes
2
answers

OpenMP: poor performance of heap arrays (stack arrays work fine)

multithreading performance openmp heap-memory stack-memory
asked 2011-07-07T04:05:48.247
12
votes
3
answers

Why OpenMP version is slower?

c++ openmp
asked 2011-06-28T13:11:47.300
10
votes
1
answers

Multi-dimensional nested OpenMP loop

c parallel-processing openmp nested-loops
asked 2011-03-13T03:59:49.753
10
votes
2
answers

OpenMP and STL-style for

c++ stl for-loop openmp
asked 2011-01-25T17:23:29.280
11
votes
2
answers

Why is class member variable x not allowed to be shared(x) in OpenMP?

c++ openmp
asked 2011-01-06T00:25:21.470
26
votes
4
answers

In multithreaded C/C++, does malloc/new lock the heap when allocating memory

c++ multithreading malloc openmp
asked 2010-12-24T05:33:50.877
9
votes
2
answers

Fetch-and-add using OpenMP atomic operations

c++ atomic openmp compare-and-swap
asked 2010-10-27T15:27:59.213
10
votes
4
answers

Why must loop variables be signed in a parallel for?

c++ c parallel-processing openmp signed
asked 2010-10-21T14:21:57.573
9
votes
2
answers

How best do I get to use OpenMP on Mac OS X 10.5 and Ubuntu 10.4?

c openmp ubuntu-10.04 osx-leopard
asked 2010-09-04T19:04:14.940
29
votes
3
answers

Python and OpenMP C Extensions

python parallel-processing openmp python-c-extension
asked 2010-08-26T06:36:35.707
21
votes
4
answers

Compiling and linking CUDA source files with OpenMP support

c++ cuda openmp
asked 2010-07-09T10:09:32.067
38
votes
5
answers

Ignore OpenMP on machine that does not have it

c++ c openmp
asked 2009-08-19T14:05:52.970
25
votes
3
answers

OpenMp Coding: warning: ignoring #pragma omp parallel

warnings openmp
asked 2009-04-09T12:03:02.627