#11036 Score: 1
suicca
Participant
1 pt

关于openmp并行可以看这个文档
https://tildesites.bowdoin.edu/~ltoma/teaching/cs3225-GIS/fall17/Lectures/openmp.html

操作非常简单:
在你需要并行化的for前面,加上
#pragma omp parallel for
然后在cmake中加上
set(CMAKE_CXX_FLAGS "${CAMKE_CXX_FLAGS} -O3 -fopenmp")
重新执行cmake ..然后编译即可。
上面的-O3也可以提速。

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  • This reply was modified 2 years, 1 month ago by suicca.