Re: [OMPI devel] Sending large messages over RDMA fails

2010-11-30 Thread Jeff Squyres
On Nov 29, 2010, at 3:51 AM, Doron Shoham wrote: > If only the PUT flag is set and/or the btl supports only PUT method then the > sender will allocate a rendezvous header and will not eager send any data. > The receiver will schedule rdma PUT(s) of the entire message. > It is done in mca_pml_ob1

[OMPI devel] confusion between slot and procs on mca/rmaps

2010-11-30 Thread Damien Guinier
hi all, Many time, there are no difference between "proc" and "slot". But when you use "mpirun -cpus-per-proc X", slot have X procs. On orte/mca/rmaps/base/rmaps_base_common_mappers.c, there are a confusion between proc and slot. this little error impact mapping action: On OMPI last version w

[OMPI devel] 1.5.1rc1 is out

2010-11-30 Thread Jeff Squyres
This is primarily a bug-fix release over the 1.5 release. Please test it heavily so that we can get 1.5.1 (final) out the door before Christmas. http://www.open-mpi.org/software/ompi/v1.5/ Thanks! -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.c

Re: [OMPI devel] Warning on fork() disappears if I use MPI threads!!

2010-11-30 Thread Jeff Squyres
Excellent points Ken; thanks! I expanded the FAQ entry here to include these points: http://www.open-mpi.org/faq/?category=openfabrics#ofa-fork On Nov 30, 2010, at 9:52 AM, Ken Cain wrote: > Hi Jeff, > > We have had some recent experience with this in an Open MPI 1.4.x version and > tho

Re: [OMPI devel] 1.5 plans

2010-11-30 Thread Terry Dontje
On 11/30/2010 10:10 AM, Joshua Hursey wrote: (Insert jab at the definition of 'quickly' when talking about OMPI releases) > From the way I read Jeff's original email, it seems that we are trying to get v1.5 stable so we can start v1.7 in the next few months (3-5). The C/R functionality on the

Re: [OMPI devel] 1.5 plans

2010-11-30 Thread Joshua Hursey
(Insert jab at the definition of 'quickly' when talking about OMPI releases) >From the way I read Jeff's original email, it seems that we are trying to get >v1.5 stable so we can start v1.7 in the next few months (3-5). The C/R >functionality on the trunk is significantly different than that on

Re: [OMPI devel] Warning on fork() disappears if I use MPI threads!!

2010-11-30 Thread Ken Cain
Hi Jeff, We have had some recent experience with this in an Open MPI 1.4.x version and thought it would be useful to contribute to the discussion. Please see below. Jeff Squyres wrote: On Nov 29, 2010, at 6:25 PM, George Bosilca wrote: The main problem is that openib require to pin memory

Re: [OMPI devel] 1.5 plans

2010-11-30 Thread Terry Dontje
On 11/30/2010 09:00 AM, Jeff Squyres wrote: On Nov 30, 2010, at 8:54 AM, Joshua Hursey wrote: Can you make a v1.7 milestone on Trac, so I can move some of my tickets? Done. I have a question about Josh's recent ticket moves. One of them mentions 1.5 is stablizing quickly Josh can you clarify

Re: [OMPI devel] RFC: Bring the lastest ROMIO version from MPICH2-1.3 into the trunk

2010-11-30 Thread Jeff Squyres
On Nov 30, 2010, at 6:44 AM, Pascal Deveze wrote: > I have commited all my last changes in bitbucket, including those that > follows. I got a checkout, and still have some problems/questions. More below. If you do the IM thing, ping me on IM (I sent you my IDs in an off-list email). >> Do we

Re: [OMPI devel] 1.5 plans

2010-11-30 Thread Jeff Squyres
On Nov 30, 2010, at 8:54 AM, Joshua Hursey wrote: > Can you make a v1.7 milestone on Trac, so I can move some of my tickets? Done. > Some are CMRs, but a couple are defects, with fixes in development, that > without those CMRs cannot be moved to v1.5. > > Thanks, > Josh > > > On Nov 29, 2010

Re: [OMPI devel] 1.5 plans

2010-11-30 Thread Joshua Hursey
Can you make a v1.7 milestone on Trac, so I can move some of my tickets? Some are CMRs, but a couple are defects, with fixes in development, that without those CMRs cannot be moved to v1.5. Thanks, Josh On Nov 29, 2010, at 11:43 AM, Jeff Squyres wrote: > I'm about 2 weeks late on this email;

Re: [OMPI devel] RFC: Bring the lastest ROMIO version from MPICH2-1.3 into the trunk

2010-11-30 Thread Pascal Deveze
Hi Jeff, Thanks for having a look in my unified diff (see comments in the text) I have commited all my last changes in bitbucket, including those that follows. Pascal Jeff Squyres a écrit : Some questions about the patch: configure.in: @@ -2002,9 +1987,8 @@ # Turn off the building of

Re: [OMPI devel] Warning on fork() disappears if I use MPI threads!!

2010-11-30 Thread N.M. Maclaren
On Nov 30 2010, Ralph Castain wrote: Here is what one IB vendor says about the issue on their web site (redacted to protect the innocent): "At the time of this release, the (redacted-openib) driver has issues with buffers sharing pages when fork( ) is used. Pinned (locked in memory) pages a

[OMPI devel] (no subject)

2010-11-30 Thread ananda.mudar
Jeff, George, Ralph Thanks a lot for your clarifications!! - Ananda --- PREVIOUS MESSAGE --- Subject: Re: [OMPI devel] Warning on fork() disappears if I use MPI threads!! From: Jeff Squyres (jsquyres_at_[hidden]) List-Post: devel@lists.open-mpi.org Date: 2010-1