Re: [O-MPI users] Performance of all-to-all on Gbit Ethernet

2006-01-03 Thread Anthony Chan
On Tue, 3 Jan 2006, Carsten Kutzner wrote: > On Tue, 3 Jan 2006, Graham E Fagg wrote: > > > Do you have any tools such as Vampir (or its Intel equivalent) available > > to get a time line graph ? (even jumpshot of one of the bad cases such as > > the 128/32 for 256 floats below would help). > > H

Re: [O-MPI users] (no subject)

2006-01-03 Thread Brian Barrett
On Dec 30, 2005, at 4:01 PM, Michael L. Stokes wrote: On Dec 30, 2005, at 1:05 PM, Michael L. Stokes wrote: I have compiled and installed OpenMPI on a SUSE based SGI PRISM (8 processor model). I configured the build with --with- device=ch_shmem, otherwise I took all the defaults. I installe

Re: [O-MPI users] Performance of all-to-all on Gbit Ethernet

2006-01-03 Thread Carsten Kutzner
On Tue, 3 Jan 2006, Graham E Fagg wrote: > Do you have any tools such as Vampir (or its Intel equivalent) available > to get a time line graph ? (even jumpshot of one of the bad cases such as > the 128/32 for 256 floats below would help). Hi Graham, I have attached an slog file of an all-to-all

Re: [O-MPI users] OpenMPI 1.0.1 with Torque 2.0

2006-01-03 Thread Brian Barrett
On Jan 2, 2006, at 3:52 AM, Jyh-Shyong Ho wrote: I am trying to install OpenMPI 1.0.1 on my Athlon X2 computer running SuSE10.0, the installation failed when I included --with-tm=/opt/torque option with the error message: ... gcc -shared .libs/pls_tm_component.o .libs/pls_tm_module.o -Wl,-

Re: [O-MPI users] Rendezvous Question

2006-01-03 Thread Enzo
--- Brian Barrett wrote: > On Jan 2, 2006, at 7:11 PM, Enzo wrote: > > > There are several mentions of Rendezvous in > various places. > > However, I cannot find out how to start using it. > I am assuming > > that open-mpi's Rendezvous is the same as Zero > Config (a.k.a > > Bonjour in A

Re: [O-MPI users] Performance of all-to-all on Gbit Ethernet

2006-01-03 Thread Graham E Fagg
Hello Carsten happy new year to you too. On Tue, 3 Jan 2006, Carsten Kutzner wrote: Hi Graham, sorry for the long delay, I was on Christmas holidays. I wish a Happy New Year! (Uh, I think the previous email did not arrive in my postbox (?)) But yes, I am resending it after this reply

Re: [O-MPI users] Performance of all-to-all on Gbit Ethernet

2006-01-03 Thread Carsten Kutzner
Hi Graham, sorry for the long delay, I was on Christmas holidays. I wish a Happy New Year! On Fri, 23 Dec 2005, Graham E Fagg wrote: > > > I have also tried the tuned alltoalls and they are really great!! Only for > > very few message sizes in the case of 4 CPUs on a node one of my alltoalls > >