Re: [O-MPI users] TCP problems

2005-11-02 Thread Jeff Squyres
Mike -- We've been unable to reproduce this problem, but Tim just noticed that we had a patch on the trunk from several days ago that we forgot to apply to the v1.0 branch (Tim just applied it now). Could you give the nightly v1.0 tarball a whirl tomorrow morning? It should contain the p

Re: [O-MPI users] HPL and OpenMpi RC3

2005-11-02 Thread Jeff Squyres
Allan -- We have been unable to reproduce this bad TCP performance behavior. Indeed, in our runs, TEG TCP is performing slower than OB1 TCP. Sidenote: is there any reason you're supplying the pls_rsh_orted MCA parameter on the command line? It shouldn't really be necessary if OMPI is in

Re: [O-MPI users] Building 1.0rc4 failed on a 5-node Beowulf cluster running RedHat Linux 7.3

2005-11-02 Thread Ken Mighell
Dear George, Andrew, and Jeff, I retrieved openmpi-1.1a1r7966.tar.gz and was able to build it without any problems on my 5-node Beowulf cluster running gcc 2.96. Thanks for implementing the patches. I compiled my qlwfpc2 code and it appears that the case with 3 machines has improved slig