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Subject: Re: [OMPI devel] configuring with --enable-mpi-profile option
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-04-11 10:19:35


You might also want to look at:

     http://www.open-mpi.org/faq/?category=vampirtrace

On Apr 11, 2008, at 1:53 AM, Andreas Knüpfer wrote:
> On Thursday 10 April 2008, Swati Kher wrote:
>>
>> 2) If vampire trace by default is built with openmpi, if I set
>> VT_CC flag for compiling my application, where I can view ".vtf"
>> files
>> after a parallel run ?
>>
>
> Let me answer the second question.
>
> First of all, there is no default VT_CC flag in OMPI's compiler
> wrappers. To
> compile your MPI application with VampirTrace support, please
> replace the MPI
> compiler wrappers in your Makefiles like this:
>
> mpicc --> mpicc-vt
> mpicxx --> mpicxx-vt
> mpif90 --> mpif90-vt
>
> and so on. After running the resulting executable you'll find an OTF
> trace
> (Open Trace Format) in your pwd. Note that it consists of multiple
> files
> which need to be copied/moved together. The former VTF format is still
> supported by VampirTrace, yet not in the version that comes with
> Open MPI.
>
> The Open Trace Format can be read by several performance analysis
> tools, e.g.
> Vampir and VampirServer, Kojak/Scalasca Tools, TAU tools and maybe
> already by
> OpenSpeedShop, which is going to have OTF support afaik.
>
> Best rgards, Andreas
>
>
> --
> Dipl. Math. Andreas Knuepfer,
> Center for Information Services and
> High Performance Computing (ZIH), TU Dresden,
> Willersbau A114, Zellescher Weg 12, 01062 Dresden
> phone +49-351-463-38323, fax +49-351-463-37773
> _______________________________________________
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-- 
Jeff Squyres
Cisco Systems