[OMPI devel] Topic for Tuesday

2015-02-23 Thread Jeff Squyres (jsquyres)
Rolf -- Please add the libltdl issue back on the agenda for tomorrow. New PR to discuss: https://github.com/open-mpi/ompi/pull/410 Cache refresh: last week, we decided to move ahead with https://github.com/open-mpi/ompi/pull/390 as a solution to https://github.com/open-mpi/ompi/issues/31

Re: [OMPI devel] [OMPI commits] Git: open-mpi/ompi branch master updated. dev-1046-g004160f

2015-02-23 Thread George Bosilca
Please revert this fix. I don’t know what you’re trying to fix (Coverity CID 1269934), but you altered the meaning of the code (regarding the MPI_ERR_IN_STATUS return code) and remove meaningful comments. Btw the original fix was useless as a call to recv could not return MPI_ERR_IN_STATUS (as t

[OMPI devel] multi-rail performance

2015-02-23 Thread Jeff Squyres (jsquyres)
On Feb 22, 2015, at 5:04 PM, George Bosilca wrote: > > I tried to replicate your environment. The closest I got is a dual link eth > and ib. It seems that our TCP performance got a big beat lately (6 micros > extra latency and a lost of about 30% in bandwidth), and that the multi-rail > suppor

Re: [OMPI devel] OMPI devel] RoCE plus QDR IB tunable parameters

2015-02-23 Thread Dave Turner
Jeff, George, When I try to use yalla with the dev master I get the error message below: ~/openmpi-master/bin/mpirun -np 2 --mca pml yalla ./NPmpi.master -o np.out *** Error in `/homes/daveturner/openmpi-master/bin/orted': free(): corrupted unsorted chunks: 0x02351270 *** *** Error