And i am also right when i think that Open MPI supports task level parallism. because i think that i can create a process for each task (or create a task pool) and let them communicating over MPI. am i right? thanks.
king regards, oeter >----Ursprüngliche Nachricht---- >Von: gent...@gmx.de >Datum: 25.03.2008 16:15 >An: "Open MPI Users"<us...@open-mpi.org> >Betreff: [OMPI users] [gent...@gmx.de: Re: 2 questions about Open MPI] > >Hallöle, > >On 13:34 Tue 25 Mar , powernetfr...@surfeu.de wrote: >> So Open MPI is OS dependent and actually it dont support Windows >> plattforms. > >Equating "not running on Windows" to "OS dependent" is a bit harsh, as >Open MPI will run on any Unixish OS (Linux, Solaris, BSD...). You >could have some luck with compiling Open MPI with Cygwin, then you'd >have it for Windows. But I'm not sure about the Cygwin stuff. > >> I would want to know if (Open) MPI sipports data decomposition and\ or >> task level parallelism. > >It supports data decomposition and you can build pretty much any form >of parallelism you like. > >> But i also think that OpenMPI dont support data decomposition (like >> here described: http://www.netlib.org/pvm3/book/node32.html ) "out- of- >> the-box". > >MPI does support data decomposition. The thing you need to understand >is that MPI stands for Message Passing Interface, i.e. it is used to >pass messages (possibly containing data). The functions defined in the >MPI standard provide a rich cornucopia of functions helping you to >distribute your data among nodes in whichever creative and colorful >way you like. > >Cheers! >-Andreas > > >-- >============================================ >Andreas Schäfer >Cluster and Metacomputing Working Group >Friedrich-Schiller-Universität Jena, Germany >PGP/GPG key via keyserver >I'm a bright... http://www.the-brights.net >============================================ > >(\___/) >(+'.'+) >(")_(") >This is Bunny. Copy and paste Bunny into your >signature to help him gain world domination! >_______________________________________________ >users mailing list >us...@open-mpi.org >http://www.open-mpi.org/mailman/listinfo.cgi/users Jetzt neu: Der Routenplaner von Tiscali http://www.tiscali.de/trav/routenplaner.html
