set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}") 完成以上步骤后,CMake将能够找到并正确配置OpenMP_C和OpenMP_CXX。 OpenMP是一种支持并行计算的编程模型,它可以在共享内存系统中实现多线程并行计算。它的优势包括简单易用、跨平台、可移植性强等。OpenMP适用于各种并行计...
cmake_minimum_required(VERSION3.15)project(openmp_prjCXX)find_package(OpenMP)if(OpenMP_FOUND)message(STATUS"OpenMP_VERSION = ${OpenMP_VERSION}")endif()message(STATUS"OpenMP_FOUND = ${OpenMP_FOUND}")message(STATUS"OpenMP_CXX_FOUND = ${OpenMP_CXX_FOUND}")message(STATUS"OpenMP_CXX_FLAGS = ${O...
cmake_minimum_required(VERSION 3.8) project(my_openmp_project) # 设置C++标准 set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_STANDARD_REQUIRED ON) # 查找OpenMP库 find_package(OpenMP REQUIRED) # 如果OpenMP被找到,启用OpenMP if(OPENMP_FOUND) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS...
2. cmakelists 在其中添加set(CMAKE_CXX_FLAGS "-fopenmp") 3. 测试demo #include <stdio.h> #include <stdlib.h> #include <omp.h> void Hello(void); int main(int argc, char* argv[]) { int thread_count = 10; #pragma omp parallel for for (int i = 0; i < thread_count; ++i) {...
21.-fopenmp:启用 OpenMP 支持(并行编程)。 22.-fsanitize=address:启用地址消毒(检测内存错误)。 23.-fsanitize=undefined:启用未定义行为消毒。 示例 如果你想在 CMakeLists.txt 中设置这些选项,可以这样做: set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2 -Wall -Wextra -g -std=c++17") ...
1、openmp加载,cmake3.9之后内置了openmp find_package(OpenMP)if(OPENMP_FOUND OR OpenMP_CXX_FOUND) set (CMAKE_C_FLAGS"${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}") set (CMAKE_CXX_FLAGS"${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}") set (CMAKE_EXE_LINKER_FLAGS"${CMAKE_EXE_LINKER_FLAGS} ${Ope...
如果您使用 CMake GUI,可以手动设置 OpenMP 的路径。在 CMake GUI 中,您可以: 点击“Configure”按钮,选择 MinGW Makefiles 作为生成器。 点击“Finish”。 在变量列表中查找OpenMP_CXX_FLAGS和OpenMP_CXX_LIBRARIES,确保它们被正确设置。 点击“Generate”生成项目。
cmake增加对openmp的支持 在CMakeList.txt中增加: FIND_PACKAGE( OpenMP REQUIRED) if(OPENMP_FOUND) message("OPENMP FOUND") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}") ...
-- OPENMP_CXX_FOUND=TRUE -- OPENMP_C_FOUND=TRUE -- OPENMP_FOUND=TRUE -- OpenMP_COMPILE_RESULT_CXX_openmp=TRUE -- OpenMP_COMPILE_RESULT_C_openmp=TRUE -- OpenMP_CXX_FLAGS=-openmp -- OpenMP_CXX_FLAGS_WORK=-openmp -- OpenMP_CXX_FOUND=TRUE ...
4、使用OpenMP并行化代码 为了实现真正的并行计算,我们需要在代码中使用OpenMP库来编写并行化的代码,需要在CMakeLists.txt文件中包含OpenMP库: find_package(OpenMP) if (OPENMP_FOUND) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}") ...