Hi Don, But as I see you must pay for these debuggers.
Victor --- Don Kerr <don.k...@sun.com> wrote: > Victor, > > You are right Prism will not work with Open MPI > which Sun's ClusterTools > 7 is based on. But Prism was not available for CT 6 > either. Totalview > and Allinea's ddt I believe have both been tested to > work with Open MPI. > > -DON > > victor marian wrote: > > > I can't turn it off right now to look in BIOS > (the > >computer is not at home), but I think the Pentium D > >which is dual-core doesn't support hyper-threading. > > > The program I made relies on an MPI library (it > is > >not a benchmarking program). I think you are right, > >maibe I should run a benchmarking program first to > see > >what happens. If you have a benchmarking program I > >would gladly test it. > > What is the best way to debug OpenMPI programs? > >Until now I ran prism which is part of the > >SunClusterTools. > > > > Victor > > > >--- Jeff Pummill <jpum...@uark.edu> wrote: > > > > > > > >>Victor, > >> > >>Just on a hunch, look in your BIOS to see if > >>Hyperthreading is turned > >>on. If so, turn it off. We have seen some unusual > >>behavior on some of > >>our machines unless this is disabled. > >> > >>I am interested in your progress as I have just > >>begun working with > >>OpenMPI as well. I have used mpich for quite some > >>time, but felt > >>compelled to get some experience with OpenMPI as > >>well. I just installed > >>it this weekend on an AMD dual-core machine with 2 > >>gigs of ram. Maybe I > >>will try and replicate your experiment if you can > >>direct me to what > >>program you are benchmarking. > >> > >>Jeff F. Pummill > >>Senior Linux Cluster Administrator > >>University of Arkansas > >>Fayetteville, Arkansas 72701 > >>(479) 575 - 4590 > >>http://hpc.uark.edu > >> > >>victor marian wrote: > >> > >> > >>>The problem is that my executable file runs on > the > >>>Pentium D in 80 seconds on two cores and in 25 > >>> > >>> > >>seconds > >> > >> > >>>on one core. > >>>And on another Sun SMP machine with 20 processors > >>> > >>> > >>it > >> > >> > >>>runs perfectly (the problem is perfectly > >>> > >>> > >>scallable). > >> > >> > >>> Victor Marian > >>> Laboratory of Machine Elements and > Tribology > >>> University Politehnica of Bucharest > >>> Romania > >>> > >>> > >>>--- Brock Palen <bro...@umich.edu> wrote: > >>> > >>> > >>> > >>> > >>>>It means that your OMPI was compiled to support > >>>>uDAPL (a type of > >>>>infinibad network) but that your computer does > >>>> > >>>> > >>not > >> > >> > >>>>have such a card > >>>>installed. Because you dont it will fall back > to > >>>>ethernet. But > >>>>because you are just running on a single > machine. > >>>> > >>>> > >>>>You will use the > >>>>fastest form of communication using shared > >>>> > >>>> > >>memory. > >> > >> > >>>>so you can ignore > >>>>that message. Unless in the future you add a > >>>> > >>>> > >>uDAPL > >> > >> > >>>>powered network > >>>>and you still get that message then you need to > >>>>worry. > >>>> > >>>>Brock Palen > >>>>Center for Advanced Computing > >>>>bro...@umich.edu > >>>>(734)936-1985 > >>>> > >>>> > >>>>On Jun 10, 2007, at 9:18 AM, victor marian > wrote: > >>>> > >>>> > >>>> > >>>> > >>>>>Hello, > >>>>> > >>>>>I have a Pentium D computer with Solaris 10 > >>>>> > >>>>> > >>>>> > >>>>installed. > >>>> > >>>> > >>>> > >>>>>I installed OpenMPI, succesfully compiled my > >>>>> > >>>>> > >>>>> > >>>>Fortran > >>>> > >>>> > >>>> > >>>>>program, but when giving > >>>>>mpirun -np 2 progexe > >>>>>I receive > >>>>>[0,1,0]: uDAPL on host SERVSOLARIS was unable > to > >>>>> > >>>>> > >>>>> > >>>>find > >>>> > >>>> > >>>> > >>>>>any NICs. > >>>>>Another transport will be used instead, > although > >>>>> > >>>>> > >>>>> > >>>>this > >>>> > >>>> > >>>> > >>>>>may result in > >>>>>lower performance. > >>>>> > >>>>>I am a begginer in MPI and don't know what it > >>>>> > >>>>> > >>>>> > >>>>means. > >>>> > >>>> > >>>> > >>>>>What > >>>>> should I do to solve the problem? > >>>>>Thank you. > >>>>> > >>>>> > >>>>> > === message truncated === ____________________________________________________________________________________ Take the Internet to Go: Yahoo!Go puts the Internet in your pocket: mail, news, photos & more. http://mobile.yahoo.com/go?refer=1GNXIC