mpi+openmp程序需要注意事项

最新推荐文章于 2025-10-08 15:47:21 发布

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最新推荐文章于 2025-10-08 15:47:21 发布 · 3.7k 阅读

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本文介绍了在Intel和Portland Group编译器下使用OpenMP的选项，以及如何编译OpenMP和MPI程序。针对Fortran和C/C++，提供了编译指令，并提到了mpirun的使用方式，尤其是如何在MPI进程中启用OpenMP线程。还提供了混合编译MPI+OpenMP的参考链接。

编译的选项

Intel
• Fortran : ifort,
• Fortran with MPI: mpif77, mpif90
• C/C++ :icc
• C/C++ with MPI: mpcc, mpCC
• Option to support OpenMP
• -openmp

Portland Group
• Fortran : pgf77, pgf90
• Fortran with MPI: mpif77, mpif90
• C/C++ :pgcc
• C/C++ with MPI: mpcc, mpCC
• Option to support OpenMP
• -mp
• pgifortref.pdf has good examples

1 openmp程序编译

(1)编译选项选择

Compiling to use OpenMP

OpenMP is supported in all four programming environments available on Franklin and Hopper; however, each compiler suite has a different syntax for enabling OpenMP.