I posted my GSOC application to the mailing list, as well as submitted my
application through Google's website, asking for feedback. I am applying to
work on the IPMI project. I am very excited about this, so if anyone could
take a look at my proposal it would be much appreciated.
Thank you
- Travis W.
On Sat, Mar 29, 2008 at 9:13 PM, Michael Edwards <[EMAIL PROTECTED]> wrote:
> Could we talk Intel into making an OSCAR package for the compilers and
> make a configurator button that drops a file or something instead of
> the pesky "type y/n" type thing?
>
> On Sat, Mar 29, 2008 at 1:10 AM, Paul Greidanus
> <[EMAIL PROTECTED]> wrote:
> > Hi Geoffroy,
> >
> > I did some performance test with POV-Ray, and I went from 19 minutes to
> > 14 minutes, saving 25% of the runtime. I am working on doing some
> > similar comparisons for POP and GAMESS right now as well.
> >
> > I'm not actually thinking that distributing the Intel compiler (or any
> > others) is possible.. I need to dig into the licenses and see if we can
> > distribute OFED compiled with Intel, PGI and whatever else we have
> > access to. The final user would have to manually put the Intel
> compiler
> > and the libraries in place to be able to use it, but with documentation
> > and scheduler integration, it's more likely to be used. Alternatively,
> > just having the pieces so OSCAR can be pointed at a OFED installation,
> > detect what's installed, and put the switcher and scheduler integration
> > into place might be sufficient..
> >
> > Paul
> >
> >
> >
> > [EMAIL PROTECTED] wrote:
> > > Hi Joe,
> > >
> > > Thanks for the details, it is actually very interesting to have some
> return of
> > > experience. However, my question was actually very unclear (my bad),
> I was
> > > actually looking for more details about the performance gain (10% in
> average for
> > > MPI applications?).
> > > I also know that if you start to play with the compiling options you
> can improve
> > > the global performance of your app (both with gcc and the Intel
> compiler). I am
> > > just curious, are your users only using the default compiling
> options? or do
> > > they try to tune the compiling procedure for each compiler?
> > > I also wonder if the latest version of GCC will improve performance
> compared to
> > > the Intel compiler; it is supposed to include some auto-vectorization
> > > mechanism). But that's another story, i digress here. :-)
> > >
> > > On the OSCAR side, the problem with the Intel compiler is the
> license: we cannot
> > > install automatically the Intel compiler without asking the user to
> agree with
> > > Intel licensing stuff, and clearly, currently the only solution to do
> so is via
> > > a hack (we do not have a well-defined method for that).
> > > To summarize, my concern is the following: why should we ship OFED
> compiled with
> > > the Intel compiler if you do not have a good support of the Intel
> compiler by
> > > default. My feeling is the usage of the Intel compiler will really be
> a plus if
> > > we can also compile the application. In other term, it seems to me
> that instead
> > > of working on a OFED OPKG compiled with the Intel compiler we should
> be better
> > > off working on a OPKG for the Intel compiler.
> > > Do you agree with that?
> > >
> > >
> > > Selon "Greenseid, Joseph M." <[EMAIL PROTECTED]>:
> > >
> > >> My users find that using the Intel compilers do increase application
> > >> performance for them over GCC (especially with x86_64 architecture,
> because
> > >> of the auto-vectorization you can get with the SSE aware compilers).
> > >>
> > >> Given the choice, none of the folks using my system choose GCC over
> Intel
> > >> (currently, all my users use Intel compilers and Intel flavors of
> MPI, even
> > >> though GCC is also available).
> > >>
> > >> I would say that the ability to use the Intel compilers with MPI
> would be
> > >> valuable, if OFED is would be considered in OSCAR. If Intel flavors
> aren't
> > >> included, I would probably have to choose to not install it via
> OSCAR, but
> > >> instead do it myself by hand to get them.
> > >>
> > >> Just the thoughts of one user...
> > >>
> > >> --Joe
> > >>
> > >> ________________________________
> > >>
> > >> From: [EMAIL PROTECTED] on behalf of
> > >> [EMAIL PROTECTED]
> > >> Sent: Tue 3/25/2008 12:03 AM
> > >> To: [email protected]; Paul Greidanus
> > >> Subject: Re: [Oscar-devel] OFED
> > >>
> > >>
> > >>
> > >> Hi,
> > >>
> > >> Just another idea: instead of focusing on the support of multiple
> compiler
> > >> (does
> > >> it really improve the global performance for all applications?), why
> not
> > >> working
> > >> on the virtualization stuff that are today included in OFED (Panda
> team work
> > >> typically), i.e., VMM-bypass and efficient VM migration?
> > >>
> > >> That's should be fun to do and it fits perfectly the OSCAR-V
> extension
> > >> (which, i
> > >> hope, will be very soon integrated directly into OSCAR).
> > >>
> > >> My 2 cents,
> > >>
> > >> Selon Paul Greidanus <[EMAIL PROTECTED]>:
> > >>
> > >>> Hi All,
> > >>>
> > >>> I was just looking and thinking about OFED, and how to package it
> into
> > >>> OSCAR, and I'm thinking it might be possible to just copy the SRPMS
> in,
> > >>> and have the oscar build scripts build the RPMS, like the rest of
> > >>> oscar? Also, we could use an Intel/pgi compiler to build the RPMS
> > >>> pretty easily as well, and have the option of installing optimized
> > >>> libraries, rather then just GCC..
> > >>>
> > >>> Or do I not know what I'm talking about..
> > >>>
> > >>> Paul
> > >>>
> > >>>
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> > >>>
> > >>
> > >>
> > >>
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> > >
> > >
> > >
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