Re: [OMPI users] Hi, I am working on topic "Topology aware mapping of processes in intra node environment". I need to find the binding of each rank on the local machine. How do I do this? I am using O

[Ralph Castain]

Ummm...you might want to look at the developer's trunk as we do topology aware 
mapping today. Will be released soon in the 1.7.0 release.

On Feb 8, 2013, at 5:48 PM, Kranthi Kumar  wrote:

> Hi,
> I am working on topic "Topology aware mapping of processes in intra node 
> environment". I need to find the binding of each rank on the local machine.
> How do I do this? I am using OPENMPI version 1.4.1
> 
> Thank You
> 
> -- 
> Kranthi
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> users mailing list
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[OMPI users] Hi, I am working on topic "Topology aware mapping of processes in intra node environment". I need to find the binding of each rank on the local machine. How do I do this? I am using OPENM

[Kranthi Kumar]

Hi,
I am working on topic "Topology aware mapping of processes in intra node
environment". I need to find the binding of each rank on the local machine.
How do I do this? I am using OPENMPI version 1.4.1

Thank You

-- 
Kranthi

[OMPI users] Hi!!!

[Randolph Pullen]

http://www.corcoranharnist.com/components/com_content/yaid3521.php 



_
Randolph Pullen

Re: [OMPI users] Hi

[Amit Kumar Saha]

On 12/18/07, SaiGiridhar Ramasamy  wrote:
>
> Can you elaborate it still?

http://www-fp.mcs.anl.gov/CCST/research/reports_pre1998/comp_bio/stalk/pgapack.html

HTH,
Amit

-- 
Amit Kumar Saha
Writer, Programmer, Researcher
http://amitsaha.in.googlepages.com
http://amitksaha.blogspot.com

Re: [OMPI users] Hi

[SaiGiridhar Ramasamy]

Can you elaborate it still?

Re: [OMPI users] Hi

[Amit Kumar Saha]

On 12/18/07, SaiGiridhar Ramasamy  wrote:
>
>
> Great.I have few on hand experience with MPI(tracking target) it involved
> GA.We jus had an intro on parallel GA too.I prefer any kind of application
> which can be finished in 2 or 3 months.

How about trying out 'PGAPack' then?


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-- 
Amit Kumar Saha
Writer, Programmer, Researcher
http://amitsaha.in.googlepages.com
http://amitksaha.blogspot.com

Re: [OMPI users] Hi

[SaiGiridhar Ramasamy]

Great.I have few on hand experience with MPI(tracking target) it involved
GA.We jus had an intro on parallel GA too.I prefer any kind of application
which can be finished in 2 or 3 months.

Re: [OMPI users] Hi

[Amit Kumar Saha]

On 12/18/07, SaiGiridhar Ramasamy  wrote:
> hi,
> As a project for final year.Not just to test.

Okay, so are you experienced with parallel programming? What kind of
HPC applications are you looking for?

3-months back, I had no exposure to parallel programming.
Subsequently, I worked on a project titled "Review of Parallel
Computing" where I got familiar with PVM, MPI (Open MPI) and then
implemented a simple Parallel Search algorithm and also reviewed some
stuffs, issues related to Parallel Image processing.

Now, I am starting work with "Parallel Genetic Algorithms", since it
is one of my research areas.

So, it really depends on what you want to do.

There a lot of HPC applications you can work on - Mathematical,
Biological, Computer Vision, etc.

HTH,
Amit

-- 
Amit Kumar Saha
Writer, Programmer, Researcher
http://amitsaha.in.googlepages.com
http://amitksaha.blogspot.com

Re: [OMPI users] Hi

[SaiGiridhar Ramasamy]

hi,
As a project for final year.Not just to test.

Re: [OMPI users] Hi

[Amit Kumar Saha]

On 12/18/07, SaiGiridhar Ramasamy  wrote:
> Hi all,
>I've an operational cluster and soon about to form a cluster can
> anyone suggest any hpc application.

A HPC application to do a test run on your cluster?

--Amit

-- 
Amit Kumar Saha
Writer, Programmer, Researcher
http://amitsaha.in.googlepages.com
http://amitksaha.blogspot.com

[OMPI users] Hi

[SaiGiridhar Ramasamy]

Hi all,
   I've an operational cluster and soon about to form a cluster can
anyone suggest any hpc application.

Re: [OMPI users] Hi!! Can anybody tell me how to use open mpi profiling PMPI???

[Jeff Squyres]

On Apr 4, 2007, at 10:36 AM, Durga Choudhury wrote:

Even simpler, you could just write a macro wrapper around MPI_Send  
(as opposed to C code). However, if your calls are happening inside  
a precompiled library (and you don't have source code for it or  
don't want to recompile it) then this won't work and you'd want a  
real profiler. However, I don't think you should be tracking PMPI_*  
calls anyway; those are implementatiopn details and not user  
exposed APIs. Am I right, Jeff?


PMPI_Foo is what you are supposed to call inside the profiled MPI_Foo  
function.


The intent of the PMPI interface is that it always exists and will  
represent the "real"/back-end functionality.  So you can provide your  
own MPI_Foo function that turns around and calls the "real" PMPI_Foo  
function.



Durga


On 4/4/07, Jeff Squyres  wrote: On Apr 4, 2007,  
at 11:12 AM, po...@cc.gatech.edu wrote:


> I want to see how profiling is done .I need to track open mpi _send
> command.
> And so need to see how profiling is done.I dont know how to use
> PMPI_SEND.
> Can anybody help me???

Generally, you just write an MPI_Send function yourself, like this:

my_send.c:

include "mpi.h"
int MPI_Send(void *buf, int count, MPI_Datatype type, int dest,
 int tag, MPI_Comm comm) {
  int ret;
  /* ...gather whatever statistics you want ... */
  ret = PMPI_Send(buf, count, type, dest, tag, comm);
  /* ...gather whatever statistics you want ... */
  return ret;
}

Then compile my_send.c into your application (either as a standalone
library or as part of the application itself).  It'll naturally
intercept all calls to MPI_Send (as long as it is the rightmost
linker unit before -lmpi on the command line -- so, when using the
wrapper compilers, the last linker unit on the right, since "-lmpi"
is added automatically by the wrapper compilers), do your stats
gathering, invoke the back-end PMPI function, etc.

See chapter 8 of the MPI-1 standard for more information:

 http://www.mpi-forum.org/docs/mpi-11-html/node152.html#Node152

--
Jeff Squyres
Cisco Systems

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users mailing list
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--
Its a battle between humans and communists;
Which side are you in?
.
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--
Jeff Squyres
Cisco Systems

Re: [OMPI users] Hi!! Can anybody tell me how to use open mpi profiling PMPI???

[Jeff Squyres]

On Apr 4, 2007, at 11:12 AM, po...@cc.gatech.edu wrote:

I want to see how profiling is done .I need to track open mpi _send  
command.
And so need to see how profiling is done.I dont know how to use  
PMPI_SEND.

Can anybody help me???


Generally, you just write an MPI_Send function yourself, like this:

my_send.c:

include "mpi.h"
int MPI_Send(void *buf, int count, MPI_Datatype type, int dest,
 int tag, MPI_Comm comm) {
  int ret;
  /* ...gather whatever statistics you want ... */
  ret = PMPI_Send(buf, count, type, dest, tag, comm);
  /* ...gather whatever statistics you want ... */
  return ret;
}

Then compile my_send.c into your application (either as a standalone  
library or as part of the application itself).  It'll naturally  
intercept all calls to MPI_Send (as long as it is the rightmost  
linker unit before -lmpi on the command line -- so, when using the  
wrapper compilers, the last linker unit on the right, since "-lmpi"  
is added automatically by the wrapper compilers), do your stats  
gathering, invoke the back-end PMPI function, etc.


See chapter 8 of the MPI-1 standard for more information:

http://www.mpi-forum.org/docs/mpi-11-html/node152.html#Node152

--
Jeff Squyres
Cisco Systems

[OMPI users] Hi!! Can anybody tell me how to use open mpi profiling PMPI???

[pooja]

Hi

I want to see how profiling is done .I need to track open mpi _send command.
And so need to see how profiling is done.I dont know how to use PMPI_SEND.
Can anybody help me???


Thanks
Pooja