Yes it is possible but typically it means we have to extend the notion of OPKG and also Configurator. I am pretty sure we could do it; just that we need to do it right. :-)
Selon Michael Edwards <[EMAIL PROTECTED]>: > 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 > > >>> > > >>> > ------------------------------------------------------------------------- > > >>> This SF.net email is sponsored by: Microsoft > > >>> Defy all challenges. Microsoft(R) Visual Studio 2008. > > >>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > >>> _______________________________________________ > > >>> Oscar-devel mailing list > > >>> [email protected] > > >>> https://lists.sourceforge.net/lists/listinfo/oscar-devel > > >>> > > >> > > >> > > >> > ------------------------------------------------------------------------- > > >> This SF.net email is sponsored by: Microsoft > > >> Defy all challenges. Microsoft(R) Visual Studio 2008. > > >> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > >> _______________________________________________ > > >> Oscar-devel mailing list > > >> [email protected] > > >> https://lists.sourceforge.net/lists/listinfo/oscar-devel > > >> > > >> > > >> > > > > > > > > > > > > > ------------------------------------------------------------------------- > > > Check out the new SourceForge.net Marketplace. > > > It's the best place to buy or sell services for > > > just about anything Open Source. > > > > http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace > > > _______________________________________________ > > > Oscar-devel mailing list > > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/oscar-devel > > > > > > > > > ------------------------------------------------------------------------- > > Check out the new SourceForge.net Marketplace. > > It's the best place to buy or sell services for > > just about anything Open Source. > > > http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace > > _______________________________________________ > > Oscar-devel mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/oscar-devel > > > > ------------------------------------------------------------------------- > Check out the new SourceForge.net Marketplace. > It's the best place to buy or sell services for > just about anything Open Source. > http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace > _______________________________________________ > Oscar-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/oscar-devel > ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. 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