Thanks for your reply.
MPI is for academic purpose. How about business applications ?
What kinds of parallel/distributed computing environment do the financial
institutionsuse for their high frequency trading ?
Any help is really appreciated.
Thanks,
List-Post: users@lists.open-mpi.org
Date: Mon, 2 May 2011 08:34:33 -0400
From: terry.don...@oracle.com
To: us...@open-mpi.org
Subject: Re: [OMPI users] OMPI vs. network socket communcation
On 04/30/2011 08:52 PM, Jack Bryan wrote:
Hi, All:
What is
the relationship between MPI communication and socket
communication ?
MPI may use socket communications to do communications between two
processes. Aside from that they are used for different purposes.
Is the
network socket programming better than MPI ?
Depends on what you are trying to do. If you are writing a parallel
program that may run in multiple environments with different types
of performing protocols available for its use then MPI is probably
better. If you are looking to do simple client/server type
programming then socket program might have an advantage.
I am a
newbie of network socket
programming.
I do not know which one is better for
parallel/distributed computing ?
IMO MPI.
I know that network socket is unix-based
file communication between server and client.
If they can also be used for parallel
computing, how MPI can work better than them ?
There is a lot of stuff that MPI does behind the curtain to make a
parallel applications life a lot easier. As far as performance MPI
will not perform better than sockets if it is using sockets as the
underlying model. However, the performance difference should be
negligible which makes all the other stuff MPI does for you a big
win.
I know
MPI is for homogeneous cluster system and network socket is
based on internet TCP/IP.
What do you mean by homogeneous cluster? There are some MPIs that
can work among different platforms and even different OSes (though
some initial setup may be necessary).
Hope this helps,
--
Message body
Terry D. Dontje | Principal Software Engineer
Developer Tools
Engineering | +1.781.442.2631
Oracle - Performance
Technologies
95 Network Drive,
Burlington, MA 01803
Email terry.don...@oracle.com
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