Re: [OMPI users] InfiniBand path migration not working

2012-02-22 Thread Shamis, Pavel
Jeremy, I implemented the APM support for openib btl a long time ago. I do not remember all the details of the implementation, but I remember that it is used to support LMC bits and multiple ib ports. Unfortunately I'm super busy this week. I will try look at it early next week. Pavel (Pasha) S

[OMPI users] InfiniBand path migration not working

2012-02-22 Thread Jeremy
Hi, I am have a problem getting Alternative Path Migration (APM) to work over the InfiniBand ports on my HCA. Details on my configuration and the issue I have are below. Please let me know if you can provide any suggestions or corrections to my configuration? I will be happy to try other experi

Re: [OMPI users] openMPI installation on front-end and worker nodes

2012-02-22 Thread Shamis, Pavel
Salvatore, Please see my comment inline. > > More generally, in the case of a front-end nodes with a processors > definitively different from > worker nodes (same firm i.e.Intel) can openMPI applications compiled on one > run correctly > on the others? It is possible to come up with a set of

Re: [OMPI users] ROMIO Podcast

2012-02-22 Thread Rob Latham
On Tue, Feb 21, 2012 at 05:30:20PM -0500, Rayson Ho wrote: > On Tue, Feb 21, 2012 at 12:06 PM, Rob Latham wrote: > > ROMIO's testing and performance regression framework is honestly a > > shambles.  Part of that is a challenge with the MPI-IO interface > > itself.  For MPI messaging you exercise t

Re: [OMPI users] openMPI installation on front-end and worker nodes

2012-02-22 Thread Reuti
Hi, Am 22.02.2012 um 14:21 schrieb Salvatore Podda: > we have a computational infrastructure composed from front end and > worker nodes > which differ slightly differ in the architectures on board (I mean same > processor different socket). can you clarify this - something like an AM3 CP

[OMPI users] openMPI installation on front-end and worker nodes

2012-02-22 Thread Salvatore Podda
Hi all, we have a computational infrastructure composed from front end and worker nodes which differ slightly differ in the architectures on board (I mean same processor different socket). OFED and openMPI have been compiled and built on both systems at the same version level. As users