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c++ Programming Glossary: nthreadshttp://stackoverflow.com/questions/10587598/simd-prefix-sum-on-intel-cpu parallel const int ithread omp_get_thread_num const int nthreads omp_get_num_threads #pragma omp single suma new float nthreads.. omp_get_num_threads #pragma omp single suma new float nthreads 1 suma 0 0 float offset2 0.0f for int c 0 c nchunks c const.. barrier #pragma omp single float tmp 0 for int i 0 i nthreads 1 i tmp suma i suma i tmp __m128 offset _mm_set1_ps suma..
A parallel for using std::thread? http://stackoverflow.com/questions/14044539/a-parallel-for-using-stdthread Iterator first const Iterator last Function f const int nthreads 1 const int threshold 1000 const unsigned int group std max.. std max std max 1 std abs threshold last first std abs nthreads std vector std thread threads for Iterator it first it last.. sin x Main int main int argc char argv const unsigned int nthreads argc 1 std atol argv 1 1 const unsigned int n argc 2 std atol..
May compiler optimizations be inhibited by multi-threading? http://stackoverflow.com/questions/16807766/may-compiler-optimizations-be-inhibited-by-multi-threading start i d end i d a d b i d c i return NULL ... for t 1 t nthreads t create_thread with __omp_func1 function for master thread.. ... .end ... .b b .c c __omp_func1 md a md.a for t 1 t nthreads t join with thread add thread_data a to a Now if we run this.. with thread add thread_data a to a Now if we run this with nthreads 1 the code effectively gets reduced to struct __omp_func1_data..
CUDA how to get grid, block, thread size and parallalize non square matrix calculation http://stackoverflow.com/questions/5643178/cuda-how-to-get-grid-block-thread-size-and-parallalize-non-square-matrix-calcu chosen by tuning and hardware constraints int nblocks n nthreads value determine by block size and total work madd nblocks blocksize..
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