ansys12.1中mpi是什么

2025-02-26 20:17:34

推荐回答（2个）

回答1：

ANSYS12.1分布式计算在不同计算平台下支持的高速互联网络以及MPI版本，一般的，ANSYS在Linux和Windows平台下的版本内置了HP-MPI，用户可不在另外安装MPI。

回答2：

看看帮助里面的说明，这个是分布式计算的时候需要有的一个软件平台：

2.1. Prerequisites for Running Distributed ANSYS
Your system must meet the following requirements to run Distributed ANSYS.

Homogeneous network: All machines must be the same type, OS level, chip set, and interconnects.

You must be able to remotely log in to all machines, and all machines in the cluster must have identical directory structures (including the ANSYS installation, MPI installation, and on some systems, working directories). Do not change or rename directories after you've launched ANSYS. For more information on files that are written and their location, see Files that Distributed ANSYS Writes in the Distributed ANSYS Guide.

All machines in the cluster must have ANSYS installed, or must have an NFS mount to the ANSYS installation. If not installed on a shared file system, ANSYS must be installed in the same directory path on all systems.

You will need an ANSYS Mechanical HPC license for each processor after the first two to run Distributed ANSYS. For example, if you want to run on four processors, you will need two ANSYS Mechanical HPC licenses.

All machines must have the same version of MPI software installed and running. The table below shows the MPI software and version level supported for each platform.

If you plan to use only the AMG solver in shared-memory ANSYS, MPI software is not required. If you are using only the AMG solver, skip the rest of this document and continue with Using the ANSYS Mechanical HPC Add-On in the Advanced Analysis Techniques Guide.

2.1.1. MPI Software
The MPI software you use depends on the platform. The following table lists the type of MPI software required for each platform. HP MPI is included on the Linux installation media and is installed automatically when you install ANSYS. For questions regarding the installation and configuration of the native MPI software versions, please contact your MPI or hardware vendor.

Distributed ANSYS runs on the following platforms:HP PA8000 / HP IA-64 (native MPI)
SGI (native MPI)
Intel IA-32 Linux (HP MPI)
Intel IA-64 Linux (HP MPI)
SGI Altix 64-bit Linux (MPI MPT)
AMD Opteron 64-bit Linux (HP MPI)
Intel Xeon EM64T 64-bit Linux (HP MPI)
Sun - single box, multiple processor only (native MPI only)
Fujitsu - single box, multiple processor only (native MPI only)
IBM - single box, multiple processor only (native MPI only)
Windows 32-bit (MPICH2)
Windows 64-bit (MPICH2 (default), MS MPI)

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