MPI is an API specification, meaning that correctly-written MPI
applications are source-code compatible across all MPI
implementations. Hence, these tutorial examples will compile and run
with Open MPI just as well as they will with LAM/MPI (I actually
helped write those tutorial examples several years ago :-) ).
You just need to be sure to recompile/re-link each MPI application
with the MPI implementation that you want to use. For example, you
can't compile an MPI application with LAM and use Open MPI's "mpirun"
to run it -- you need to compile with Open MPI and run with Open MPI's
mpirun.
Make sense?
On Apr 23, 2009, at 8:04 AM, Ankush Kaul wrote:
i have gone through that course, but i still am not at a stage where
i can develop a MPI program, so was looking for some IP programs on
the net.
Will try the imageproc.c program which i found
http://lam-mpi.lzu.edu.cn/tutorials/nd/part1/
hope it runs on openmpi.
On Thu, Apr 23, 2009 at 5:07 PM, Jeff Squyres <jsquy...@cisco.com>
wrote:
Yes, they will run. Note that these are toy image processing
examples; they are no substitute for a real image processing
application.
You might want to look at a full MPI tutorial to get an
understanding of MPI itself:
http://ci-tutor.ncsa.uiuc.edu/login.php
Register (it's free), login, and look for the Introduction to MPI
tutorial. It's quite good.
On Apr 23, 2009, at 6:59 AM, Ankush Kaul wrote:
I found some programs on this link :
http://lam-mpi.lzu.edu.cn/tutorials/nd/part1/
will these program run on my openmpi cluster?
actually i want to run some image processing program on my cluster,
as i cannot write the entire code of the program can anyone tell
where can i get ip programs.
I know this is the wrong place to ask but thought would give it a
try as i cannot find anything on the net.
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Jeff Squyres
Cisco Systems
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Jeff Squyres
Cisco Systems
