Questions tagged as 'openmp'

I'm having trouble paralleling my C code with OpenMP and getting good performance on the n queens problem. The results are always considerably slower with parallelization enabled and I do not know why. The code is this below: #includ...

I need to create 5 easy-to-understand algorithms for each of the locking functions below in C or C ++ to be able to exemplify the operation of each and present to the staff in my room. omp_init_lock_with_hint omp_init_nest_lock_with_hint...

I'm trying to paralyze the bubblesort algorithm using Open-MP and C ++, and the parallelization strategy is the pipe. The following code, to me, makes sense, but does not work, and only sorts the sub-vectors (Input Size) / (N) with N being the n...

How to loop through the OpenMP library to count the rows one file? #pragma omp parallel for for (string line; getline(file, line); ) { count++; } In this way it does not execute, it seems that it only accepts for in normal...

I'm trying to parallelize an activity using OpenMp . I have problems because after the first one of the code below the result is wrong. #include <stdio.h> #include <fstream> #include <sstream> #include <omp.h> #in...

So, I am developing a work to do the comparison of a sequential and parallel execution of a Pattern Matching method. My input is a .txt of dozens of lines, which I go through and store inside a buffer: ... fread(buffer, sizeof(char), numero_by...