[mvapich-discuss] Running latency tests (fwd)

[wei huang]

Do you see the same error?

Try:
export LD_LIBRARY_PATH=/usr/local/lib64:$LD_LIBRARY_PATH

Regards,
Wei Huang

774 Dreese Lab, 2015 Neil Ave,
Dept. of Computer Science and Engineering
Ohio State University
OH 43210
Tel: (614)292-8501


On Thu, 10 Apr 2008, Christopher Tanner wrote:

> Thanks Wei. Of course, the problem isn't solved yet...
>
> So I found the file in the /usr/local/lib64 directory on the master
> node only. I copied the file to the rest of the nodes to the /usr/
> local/lib64 directory and included the directory in my path. When I
> tried to execute the osu_latency program, it gave me the same error. A
> 'which librdmacm.so.1' command reveals that it can indeed find the
> library.
>
> Any clues? Or perhaps, any other ways to determine if the Infiniband
> is working?
>
> -------------------------------------------
> Chris Tanner
> Space Systems Design Lab
> Georgia Institute of Technology
> christopher.tanner at gatech.edu
> -------------------------------------------
>
>
>
> On Apr 10, 2008, at 11:18 AM, wei huang wrote:
> > Hi Chris,
> >
> > It seems that some ib libraries are not in your default path. You
> > may need
> > to explicitly export the path to ib library in your environmental
> > variables (bash profile or similar places). To find where those
> > libraries
> > are, you may try to see /etc/infiniband/info file. Or you can ask your
> > system administrator about the path.
> >
> > Thanks.
> >
> > Regards,
> > Wei Huang
> >
> > 774 Dreese Lab, 2015 Neil Ave,
> > Dept. of Computer Science and Engineering
> > Ohio State University
> > OH 43210
> > Tel: (614)292-8501
> >
> >
> > On Thu, 10 Apr 2008, Dhabaleswar Panda wrote:
> >
> >> ---------- Forwarded message ----------
> >> Date: Wed, 9 Apr 2008 20:01:00 -0400
> >> From: Christopher Tanner <christopher.tanner at gatech.edu>
> >> To: mvapich-discuss at cse.ohio-state.edu
> >> Subject: [mvapich-discuss] Running latency tests
> >>
> >> All -
> >>
> >> I believe I am gravy with the mvapich2 install so now I'm trying to
> >> run the latency tests to see if it's really working. But, I'm a dummy
> >> and can't get it to work. Here's what I've done so far:
> >>
> >> a) Initiated a mpd ring with 16 hosts (i.e. mpdboot --rsh=rsh -n 16
> >> -1). I have multiple processors, each with multiple cores on each
> >> node, thus the '-1'.
> >> b) Compiled osu_latency.c using mpicc (to an executable called
> >> osu_latency)
> >> b) Tried to execute the compile file via 'mpiexec -machinefile
> >> machine.list -n 16 ./osu_latency'
> >>
> >> I receive the following error (16 times naturally) ::
> >> ./osu_latency: error while loading shared libraries: librdmacm.so.1:
> >> cannot open shared object file: No such file or directory
> >>
> >> I don't know where this file would be -- it's not in the /usr/lib
> >> with
> >> all of the other *.so.* files.
> >> Any thoughts? Thanks.
> >>
> >> -------------------------------------------
> >> Chris Tanner
> >> Space Systems Design Lab
> >> Georgia Institute of Technology
> >> christopher.tanner at gatech.edu
> >> -------------------------------------------
> >>
> >>
> >>
> >> On Apr 9, 2008, at 2:17 PM, Matthew Koop wrote:
> >>> Hi Fred,
> >>>
> >>> If InfiniBand is not working then the job will not run. There is
> >>> currently
> >>> no method by which it will fall back to TCP/IP.
> >>>
> >>> Does this answer your question?
> >>>
> >>> Matt
> >>>
> >>> On Wed, 9 Apr 2008, Stecher, Fred wrote:
> >>>
> >>>> Hi,
> >>>> When I installed MVAPICH, I used the default. If Infiniband is not
> >>>> working will my executable still run?
> >>>>
> >>>> Thanks,
> >>>>
> >>>> Fred
> >>>>
> >>>>
> >>>
> >>> _______________________________________________
> >>> mvapich-discuss mailing list
> >>> mvapich-discuss at cse.ohio-state.edu
> >>> http://mail.cse.ohio-state.edu/mailman/listinfo/mvapich-discuss
> >>
> >> _______________________________________________
> >> mvapich-discuss mailing list
> >> mvapich-discuss at cse.ohio-state.edu
> >> http://mail.cse.ohio-state.edu/mailman/listinfo/mvapich-discuss
> >>
> >
> >
>