do ros suport mpi? Can High-performance computing integrated into ros?

asked 2014-06-30 09:33:28 -0600

lligen
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ros for fuete has related thing about mpi , why next versions of ros no longer suport mpi?

answered 2014-06-30 17:25:07 -0600

ahendrix

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ROS doesn't natively support using MPI for message-passing between nodes. It uses sockets for inter-process communication, and shared pointers for intra-process communication. These are generally fast enough for most users.

Judging by the wiki page, the MPI stack was probably experimental, and it looks like it wasn't fully integrated with ROS. There's no in-depth documentation, no tutorials, and it isn't released.

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Thank you for your reply. Would you mean that there is no need to integrate mpi into ros? Then, how can we accelerate our programs when it contains large amounts of calculation? Distributed computing, cloud computing, can it work with ros?

lligen ( 2014-06-30 21:38:49 -0600 )edit

ROS nodes are simply C++ or Python programs; you can do anything you would in a normal C++ program, including using libraries outside of ROS.

ahendrix ( 2014-07-01 01:27:21 -0600 )edit

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