Re: [OMPI users] buildsystem / adio-lustre-mpich2-v02.patch

2007-08-31 Thread Bernd Schubert
Robert Latham wrote: > On Sun, Aug 26, 2007 at 06:44:18PM +0200, Bernd Schubert wrote: >> I'm presently trying to add lustre support to open-mpi's romio using this >> patch http://ft.ornl.gov/projects/io/src/adio-lustre-mpich2-v02.patch. >> >> It basically applies, only a few C files have been re

[OMPI users] MPI Migration

2007-08-31 Thread Mauricio Vacas
Hello everyone, I am doing research on the different migration mechanisms available for MPI processes. I had a couple of questions I was hoping you guys you clarify for me concerning this: 1. Are there other approaches to MPI migration that do not involve checkpoint/restart mechanisms (e.g. LAM/M

[OMPI users] Bug in MPI_Reduce/MPI_Comm_split?

2007-08-31 Thread Marco Sbrighi
Dear Open MPI developers, I'm using Open MPI 1.2.2 over OFED 1.1 on an 680 nodes dual Opteron dual core Linux cluster. Of course, with Infiniband interconnect. During the execution of big jobs (greater than 128 processes) I've experimented slow down in performances and deadlock in collective MP

Re: [OMPI users] OpenMPI and Port Range

2007-08-31 Thread Jeff Squyres
On Aug 31, 2007, at 9:07 AM, James Conway wrote: The patch for limiting the port range used by OpenMPI sounds useful. This *is* an issue with firewalls. For a dedicated cluster behind a firewall that's ok, but for harnessing available hardware (eg, Mac OSX systems) in the wee hours its not. Gets

Re: [OMPI users] OpenMPI and Port Range

2007-08-31 Thread James Conway
The patch for limiting the port range used by OpenMPI sounds useful. This *is* an issue with firewalls. For a dedicated cluster behind a firewall that's ok, but for harnessing available hardware (eg, Mac OSX systems) in the wee hours its not. Gets my vote! James Conway On Aug 31, 2007, at

Re: [OMPI users] buildsystem / adio-lustre-mpich2-v02.patch

2007-08-31 Thread Jeff Squyres
On Aug 30, 2007, at 4:24 PM, Robert Latham wrote: I'm presently trying to add lustre support to open-mpi's romio using this patch http://ft.ornl.gov/projects/io/src/adio-lustre-mpich2- v02.patch. It basically applies, only a few C files have been renamed in open- mpi, but the autotools bui

Re: [OMPI users] OpenMPI and Port Range

2007-08-31 Thread Jeff Squyres
George -- What do you say about committing your patch? On Aug 31, 2007, at 7:06 AM, Simon Hammond wrote: On 31/08/2007, Gleb Natapov wrote: On Fri, Aug 31, 2007 at 10:49:10AM +0200, Sven Stork wrote: On Friday 31 August 2007 09:07, Gleb Natapov wrote: On Fri, Aug 31, 2007 at 08:04:00AM +0

Re: [OMPI users] OpenMPI and Port Range

2007-08-31 Thread Simon Hammond
On 31/08/2007, Gleb Natapov wrote: > On Fri, Aug 31, 2007 at 10:49:10AM +0200, Sven Stork wrote: > > On Friday 31 August 2007 09:07, Gleb Natapov wrote: > > > On Fri, Aug 31, 2007 at 08:04:00AM +0100, Simon Hammond wrote: > > > > On 31/08/2007, Lev Givon wrote: > > > > > Received from George Bosi

Re: [OMPI users] OpenMPI and Port Range

2007-08-31 Thread Gleb Natapov
On Fri, Aug 31, 2007 at 10:49:10AM +0200, Sven Stork wrote: > On Friday 31 August 2007 09:07, Gleb Natapov wrote: > > On Fri, Aug 31, 2007 at 08:04:00AM +0100, Simon Hammond wrote: > > > On 31/08/2007, Lev Givon wrote: > > > > Received from George Bosilca on Thu, Aug 30, 2007 at 07:42:52PM EDT: >

Re: [OMPI users] OpenMPI and Port Range

2007-08-31 Thread Sven Stork
On Friday 31 August 2007 09:07, Gleb Natapov wrote: > On Fri, Aug 31, 2007 at 08:04:00AM +0100, Simon Hammond wrote: > > On 31/08/2007, Lev Givon wrote: > > > Received from George Bosilca on Thu, Aug 30, 2007 at 07:42:52PM EDT: > > > > I have a patch for this, but I never felt a real need for it,

Re: [OMPI users] OpenMPI and Port Range

2007-08-31 Thread Gleb Natapov
On Fri, Aug 31, 2007 at 08:17:36AM +0100, Simon Hammond wrote: > On 31/08/2007, Gleb Natapov wrote: > > On Fri, Aug 31, 2007 at 08:04:00AM +0100, Simon Hammond wrote: > > > On 31/08/2007, Lev Givon wrote: > > > > Received from George Bosilca on Thu, Aug 30, 2007 at 07:42:52PM EDT: > > > > > I hav

Re: [OMPI users] OpenMPI and Port Range

2007-08-31 Thread Simon Hammond
On 31/08/2007, Gleb Natapov wrote: > On Fri, Aug 31, 2007 at 08:04:00AM +0100, Simon Hammond wrote: > > On 31/08/2007, Lev Givon wrote: > > > Received from George Bosilca on Thu, Aug 30, 2007 at 07:42:52PM EDT: > > > > I have a patch for this, but I never felt a real need for it, so I > > > > nev

Re: [OMPI users] OpenMPI and Port Range

2007-08-31 Thread Gleb Natapov
On Fri, Aug 31, 2007 at 08:04:00AM +0100, Simon Hammond wrote: > On 31/08/2007, Lev Givon wrote: > > Received from George Bosilca on Thu, Aug 30, 2007 at 07:42:52PM EDT: > > > I have a patch for this, but I never felt a real need for it, so I > > > never push it in the trunk. I'm not completely co

Re: [OMPI users] OpenMPI and Port Range

2007-08-31 Thread Simon Hammond
On 31/08/2007, Lev Givon wrote: > Received from George Bosilca on Thu, Aug 30, 2007 at 07:42:52PM EDT: > > I have a patch for this, but I never felt a real need for it, so I > > never push it in the trunk. I'm not completely convinced that we need > > it, except in some really strange situations (