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sudo apt-get install cmake
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cmake_minimum_required(VERSION 3.10) project(ParallelApp) find_package(OpenMP REQUIRED) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -fopenmp") set(SOURCE_FILES main.cpp) add_executable(ParallelApp ${SOURCE_FILES}) target_link_libraries(ParallelApp PRIVATE OpenMP::OpenMP_CXX)
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mkdir build cd build cmake .. make
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./ParallelApp
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#include <iostream> #include <omp.h> int main() { int num_threads = omp_get_max_threads(); int sum = 0; #pragma omp parallel for reduction(+:sum) for(int i = 0; i < 100; i++) { sum += i; } std::cout << "Sum: " << sum << std::endl; return 0; }
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