Re: [OMPI devel] MTT tests: segv's with sm on large messages

2009-05-06 Thread Josh Hursey
If it would help in tracking this problem to give someone access to Sif, I can probably make that happen. Just let me know. Cheers, Josh On May 5, 2009, at 8:08 PM, Eugene Loh wrote: Jeff Squyres wrote: On May 5, 2009, at 6:01 PM, Eugene Loh wrote: You and Terry saw something that was occ

[OMPI devel] Revise paffinity method?

2009-05-06 Thread Ralph Castain
We have used several different methods for binding processes over the years. Our current method is based on having the orted pass environmental parameters to the individual processes when it fork/ exec's them, and then having each process bind itself to the specified processor(s) during MPI_

Re: [OMPI devel] Revise paffinity method?

2009-05-06 Thread Brian W. Barrett
On Wed, 6 May 2009, Ralph Castain wrote: Any thoughts on this? Should we change it? Yes, we should change this (IMHO) :). If so, who wants to be involved in the re-design? I'm pretty sure it would require some modification of the paffinity framework, plus some minor mods to the odls framewo

[OMPI devel] mpi very slow to start on Mac OS X

2009-05-06 Thread Christopher Jefferson
I am using the system openmpi (1.2.3) on Mac OS X 10.5.6, gcc 4.0.1. I believe these are all the standard tools. If I mpirun as: mpirun -n 2 ./a.out Using the test code from http://www.boost.org/doc/libs/1_39_0/doc/html/mpi/getting_started.html#mpi.config (note that at the moment I have not

Re: [OMPI devel] mpi very slow to start on Mac OS X

2009-05-06 Thread Christopher Jefferson
Apologies, soon after I sent my mail I managed to solve my own problem. For possible future reference, the problem was that my disconnected ethernet port had somehow decided to take up residence on the same subnet as my wireless. The relevant parts of ifconfig are: lo0: flags=8049 mtu 16384

Re: [OMPI devel] MPI Message Communication over TCP/IP

2009-05-06 Thread Jeff Squyres
Thanks! Would you mind if I posted this on www.open-mpi.org? On Apr 25, 2009, at 10:05 AM, Timothy Hayes wrote: I uploaded it to http://www.hotshare.net/file/131218-829472246c.html I'm not sure if it's any good or even if it's 100% accurate; but if someone gets any use out of it, that woul

Re: [OMPI devel] MPI Message Communication over TCP/IP

2009-05-06 Thread pranav jadhav
Hi Jeff, As far as I am concerned, I have no problems. It would be much better that everyone knows about the OpenMPI tcp/ip internals. Regards Pranav On Wed, May 6, 2009 at 4:47 PM, Jeff Squyres wrote: > Thanks! > > Would you mind if I posted this on www.open-mpi.org? > > > > On Apr 25, 2009,

Re: [OMPI devel] MPI Message Communication over TCP/IP

2009-05-06 Thread Jeff Squyres
You wouldn't happen to have a bibtext reference, would you? On May 6, 2009, at 5:04 PM, pranav jadhav wrote: Hi Jeff, As far as I am concerned, I have no problems. It would be much better that everyone knows about the OpenMPI tcp/ip internals. Regards Pranav On Wed, May 6, 2009 at 4:47 PM

Re: [OMPI devel] MPI Message Communication over TCP/IP

2009-05-06 Thread Timothy Hayes
Are you talking about my document? If so, that's no problem at all. If there are any mistakes in my facts just let me know and I'll change them. Tim 2009/5/6 Jeff Squyres > Thanks! > > Would you mind if I posted this on www.open-mpi.org? > > > > On Apr 25, 2009, at 10:05 AM, Timothy Hayes wrote

Re: [OMPI devel] MPI Message Communication over TCP/IP

2009-05-06 Thread Jeff Squyres
Yes, I'm talking about your document -- sorry -- I just replied to the wrong guy! :-) If you have a bibtex reference for it, that would be most helpful. On May 6, 2009, at 5:20 PM, Timothy Hayes wrote: Are you talking about my document? If so, that's no problem at all. If there are any mi

Re: [OMPI devel] MPI Message Communication over TCP/IP

2009-05-06 Thread Timothy Hayes
Would this be okay? @misc{hayes09_ugrad_xenmpi, author = {Timothy Hayes}, title = {An Effcient Open MPI Transport System for Virtual Worker Nodes}, howpublished = {Trinity College Dublin Final Year Project}, year = {2009}, note = "Undergraduate Dissertation", } It's really just a rep