Re: [OMPI devel] Choosing an Open-MPI release for a new cluster

2013-05-02 Thread Christopher Samuel
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi Ralph, Jeff, Paul, On 02/05/13 14:14, Ralph Castain wrote: > Depends on what you think you might want, and how tolerant you and > your users are about bugs. > > The 1.6 series is clearly more mature and stable. It has nearly > all the MPI-2 stuf

Re: [OMPI devel] Choosing an Open-MPI release for a new cluster

2013-05-02 Thread Paul Hargrove
On Thu, May 2, 2013 at 5:55 AM, Jeff Squyres (jsquyres) wrote: > Given that we know there are compile bugs with XRC in all the v1.7 > releases so far (which seems to show how few people are actually using > XRC...), there are definitely "growing pains", as Ralph mentioned. Jeff may be a little

Re: [OMPI devel] Choosing an Open-MPI release for a new cluster

2013-05-02 Thread Jeff Squyres (jsquyres)
On May 2, 2013, at 12:14 AM, Ralph Castain wrote: > Personally, even though I'm one of the 1.7 release managers, I'm a little > leery of recommending it for a production installation until we get further > down the road. You might consider installing 1.6 as your "base" release, and > then offe

Re: [OMPI devel] Choosing an Open-MPI release for a new cluster

2013-05-02 Thread Ralph Castain
Depends on what you think you might want, and how tolerant you and your users are about bugs. The 1.6 series is clearly more mature and stable. It has nearly all the MPI-2 stuff now, but no MPI-3. If you think there is something in MPI-3 you might want, then the 1.7 series could be the way to

[OMPI devel] Choosing an Open-MPI release for a new cluster

2013-05-01 Thread Christopher Samuel
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi folks, We're about to bring up a new cluster (IBM iDataplex with SandyBridge CPUs including 10 nodes with two Intel Xeon Phi cards) and I'm at the stage where we need to pick an OMPI release to put on. Given that this system is at the start of its