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Subject: Re: [OMPI users] Problem with openmpi and infiniband
From: Pavel Shamis (Pasha) (pashash_at_[hidden])
Date: 2008-12-24 09:04:21


If the basic test run the installation is ok. So what happens when you
try to run your application ? What is command line ? What is the error
message ? do you run the application on the same set of machines with
the same command line as IMB ?
Pasha

>
>
> yes to both questions: the OMPI version is the one that comes with
> OFED (1.1.2-1) and the basic tests run fine. For instance, IMB-MPI1
> (which is more than basic, as far as I can see) reports for the last
> test:
>
> #---------------------------------------------------
> # Benchmarking Barrier
> # #processes = 6
> #---------------------------------------------------
> #repetitions t_min[usec] t_max[usec] t_avg[usec]
> 1000 22.93 22.95 22.94
>
>
> for the openib,self btl (6 processes, all processes on different nodes)
> and
>
> #---------------------------------------------------
> # Benchmarking Barrier
> # #processes = 6
> #---------------------------------------------------
> #repetitions t_min[usec] t_max[usec] t_avg[usec]
> 1000 191.30 191.42 191.34
>
> for the tcp,self btl (same test)
>
> No anomalies for other tests (ping-pong, all-to-all etc.)
>
> Thanks,
> Biagio
>
>