Re: [OMPI users] Sharing (not copying) data with OpenMPI?

2012-04-16 Thread Brian Austin
Maybe you meant to search for OpenMP instead of Open-MPI. You can achieve something close to what you want by using OpenMP for on-node parallelism and MPI for inter-node communication. -Brian On Mon, Apr 16, 2012 at 11:02 AM, George Bosilca wrote: > No currently there is no way in MPI (and subse

Re: [OMPI users] configuration of openmpi-1.5.4 with visual studio

2012-04-16 Thread Shiqing Fan
Hi Toufik, That might explain something. Open MPI detects that you have CCP installed on your system, which actually doesn't work. Could you please check if CCP has been removed completely? Run "set" command to make sure there is no CCP_* env variable any more. That should solve the problem.

Re: [OMPI users] configuration of openmpi-1.5.4 with visual studio

2012-04-16 Thread Shiqing Fan
Hi Jeff, They are definitions for enabling dllexport/import declarations on Windows, and they existed since the initial version for Cygwin. Normally these definitions are hidden via mpicc command wrapper, but on Windows, when user tries to compile a project in Visual Studio, they have to be ad

Re: [OMPI users] Sharing (not copying) data with OpenMPI?

2012-04-16 Thread George Bosilca
No currently there is no way in MPI (and subsequently in Open MPI) to achieve this. However, in the next version of the MPI standard there will be a function allowing processes to shared a memory segment (https://svn.mpi-forum.org/trac/mpi-forum-web/ticket/284). If you like living on the bleedi

Re: [OMPI users] configuration of openmpi-1.5.4 with visual studio

2012-04-16 Thread Jeffrey Squyres
On Apr 16, 2012, at 1:54 PM, Shiqing Fan wrote: > They are definitions for enable dllexport/import declarations on Windows, and > they existed since the initial version for Cygwin. Normally these definitions > are hidden via mpicc command wrapper, but on Windows, when user tries to > compile a

Re: [OMPI users] OpenMPI fails to run with -np larger than 10

2012-04-16 Thread Gutierrez, Samuel K
Hi, Sorry about the lag. I'll take a closer look at this ASAP. Appreciate your patience, Sam From: users-boun...@open-mpi.org [users-boun...@open-mpi.org] on behalf of Ralph Castain [r...@open-mpi.org] Sent: Monday, April 16, 2012 8:52 AM To: Seyyed Mohtadin Ha

Re: [OMPI users] Sharing (not copying) data with OpenMPI?

2012-04-16 Thread Ralph Castain
Hi Jody I don't believe we have exposed our shared memory system for general use - it's pretty deeply buried in the messaging system. We do have a branch where some of us are playing with an ORTE-level shared memory system for precisely this kind of use-case, but it isn't ready yet. On Apr 16

Re: [OMPI users] OpenMPI fails to run with -np larger than 10

2012-04-16 Thread Ralph Castain
No earthly idea. As I said, I'm afraid Sam is pretty much unavailable for the next two weeks, so we probably don't have much hope of fixing it. I see in your original note that you tried the 1.5.5 beta rc and got the same results, so I assume this must be something in your system config that is

[OMPI users] Sharing (not copying) data with OpenMPI?

2012-04-16 Thread jody
Hi In my application i have to generate a large block of data (several gigs) which subsequently has to be accessed by all processes (read only), Because of its size, it would take quite some time to serialize and send the data to the different processes. Furthermore, i risk running out of memory i

Re: [OMPI users] configuration of openmpi-1.5.4 with visual studio

2012-04-16 Thread Jeffrey Squyres
Shiqing -- What are these defines? Shouldn't they be invisible when compiling MPI applications? On Apr 9, 2012, at 4:13 PM, Shiqing Fan wrote: > Hi Greg, > > Glad to hear that it works for you. > > And yes, these definitions are necessary for compiling any MPI application on > Windows. >

Re: [OMPI users] configuration of openmpi-1.5.4 with visual studio

2012-04-16 Thread toufik hadjazi
Hi Jayesh, I am working on a 32-bit windows 7 and yes, I had a HPC pack installed but i removed it before installing openMPI. best regards,Toufik. List-Post: users@lists.open-mpi.org Date: Mon, 16 Apr 2012 10:47:43 +0200 From: f...@hlrs.de To: us...@open-mpi.org CC: h_touf...@hotmail.fr Subject:

Re: [OMPI users] OpenMPI fails to run with -np larger than 10

2012-04-16 Thread Seyyed Mohtadin Hashemi
I recompiled everything from scratch with GCC 4.4.5 and 4.7 using OMPI 1.4.5 tarball. I did some tests and it does not seem that i can make it work, i tried these: btl_sm_num_fifos 4 btl_sm_free_list_num 1000 btl_sm_free_list_max 100 mpool_sm_min_size 15 mpool_sm_max_size 75

Re: [OMPI users] configuration of openmpi-1.5.4 with visual studio

2012-04-16 Thread Shiqing Fan
Hi Toufik, Do you have a HPC pack or CCP installed on your windows 7? It seems that Open MPI is trying to use ccp to allocate resources. Is your windows 7 64 bit or 32 bit? Regards, Shiqing On 2012-04-10 7:43 PM, toufik hadjazi wrote: Hi, even when i try to run : ompi_clean.exe or any ot

Re: [OMPI users] OpenMpi on a windows Xp tcp network

2012-04-16 Thread Shiqing Fan
Hi Bradi, Yes, as you are on an XP machine, the io forwarding is not working for Open MPI. So you won't see the remote output from the local command windows. The only way is to direct the output into a file, for example: mpirun -n 2 app.exe > output.txt . This will generate the output file on

Re: [OMPI users] OpenMPI fails to run with -np larger than 10

2012-04-16 Thread Seyyed Mohtadin Hashemi
I did try with both MaxSessions and MaxStartups set to 200, unfortunately it did not help - I still got the same errors as before. > Date: Sat, 14 Apr 2012 12:58:49 -0400 > From: Tim Miller > Subject: Re: [OMPI users] OpenMPI fails to run with -np larger than 10 > To: Open MPI Users > Message-I