update examples pf sum

3_affinity_query/CMakeLists.txt

3_sum/3_sum_mpi_omp.cpp

3_sum/3_sum_one_domain.cpp

3_sum/3_sum_one_node.cpp

3_sum/3_sum_one_node_numa_aware.cpp

3_sum/3_sum_serial.cpp

3_sum/CMakeLists.txt

3_sum/README.md

CMakeLists.txt