Re: [PETSC #16590] PETSc on Dual Opteron Cluster

On 9/4/07, Matthew Knepley <petsc-maint@xxxxxxxxxxx> wrote:

1) Always send configure.log

2) It appears that you cannot reach the PETSc ftp site. Are you online?

   Matt

On 9/4/07, amjad ali <amjad11@xxxxxxxxx> wrote:
> Hello all in PETSc team and others,
>
> I tried to install/configure PETSc 2.3.3-p5 on my FC6 desktop computer.
> Following Happend:
>
> [petsc1@localhost petsc-2.3.3-p5]$ ./config/configure.py --with-cc=gcc
> --with-fc=gfortran --with-cxx=g++ --download-f-blas-lapack=1
> --download-mpich=1 --with-scalar-type=complex --with-clanguage=cxx
> =================================================================================
>              Configuring PETSc to compile on your system
>
> =================================================================================
> TESTING: configureLibrary from
> config.packages.BlasLapack (python/BuildSystem/con*********************************************************************************
>          UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for
> details):
> ---------------------------------------------------------------------------------------
> Error downloading fblaslapack.tar.gz requested with -with-f-blas-lapack
> option
> *********************************************************************************
>
> How to tackle this situation?
>
> At the moment I want to develop & run PARALLEL codes on my FC6 Desktop
> (single machine). Should I use the option --download-mpich=1 or
> --download-mpich=0
>
> Regards to All.
> Amjad Ali.
>
> On 9/4/07, Matthew Knepley <petsc-maint@xxxxxxxxxxx> wrote:
> > On 9/4/07, amjad ali <amjad11@xxxxxxxxx > wrote:
> > > Hello Satish, hoping you will be fine and happy.
> > >
> > > Is it necessary to have MPICH2 already installed (seaprately), before
> > > installing/configuring PETSc.
> >
> > If this is Windows, yes it is necessary (if you want to run in
> > parallel). If not,
> > you can use --with-mpi=0.
> >
> > > Do we need at all MPICH2 separately to wprk with PETSc or installing
> PETSc
> > > will automatically have MPI implementation within that?
> >
> > PETSc can automatically build MPI, but not on Windows unfortunately.
> >
> >   Thanks,
> >
> >      Matt
> >
> > > regards,
> > > Amjad Ali.
> > >
> > > Also please answer my Yesterday's question:
> > >
> > > What is your opinion about using PETSc for developing/running
> appliactions
> > > on MS Windows (Compute Cluster server) based cluster?
> > >
> > > Is it better/equal to Linux based system in performance?
> > >
> > > regards,
> > > Amjad Ali.
> > >
> > >
> > >
> > > On 8/21/07, amjad ali <amjad11@xxxxxxxxx> wrote:
> > > >
> > > > Hello Satish,
> > > > Thanks a lot for your kind answers. These are definitely helpful in
> > > clearifying concepts.
> > > >
> > > > Regards,
> > > > Amjad Ali
> > > >
> > > >
> > > >
> > > > On 8/21/07, Satish Balay <petsc-maint@xxxxxxxxxxx > wrote:
> > > > > On Mon, 20 Aug 2007, amjad ali wrote:
> > > > >
> > > > > > Hello,
> > > > > > Thanks Balay for your kind reply.
> > > > > >
> > > > > > As my system is:
> > > > > > Total cpu cores =4x4 = 16.  And there are 2 memory banks per node,
> so
> > > total
> > > > > > = 8 memory banks for the complete cluster.
> > > > > >
> > > > > > Let me ask my question in a better way:
> > > > > > *Is this system is suffiently good (giving decent performance) to
> RUN
> > > > > > my "PETSc based Parallel CFD/FEM code" on this system *?
> > > > >
> > > > > it should be fine.
> > > > >
> > > > > > Can you please suggest any other *BETTER* PC-cluster for my PETSc
> > > code?
> > > > >
> > > > > Inte Core Duos appear to have much higher mermory bandwidth - so
> they
> > > > > can potentially do better [this is unverified/speculation. Also the
> > > > > latencies are higher - so I'm not sure if this hurts performance
> > > > > much].
> > > > >
> > > > > > > Also - we recommend doing the development on machines where its
> easy
> > > > > > > to run debuggers [your desktop or laptop etc..] - and not a
> parallel
> > > > > > > machine - where such things are hard to do.
> > > > > >
> > > > > > How to install and use PETSc on desktop (single machine)? Is it
> > > straight
> > > > > > forward?
> > > > >
> > > > > Yes [assuming your desktop is linux] its straight forward. Just use
> > > > > the configure option --download-mpich=1. You'll be able to run
> > > > > parallel codes on this machine [by default MPICH will use multiple
> > > > > processes for the parallel run, and all these processes will run on
> > > > > your desktop].
> > > > >
> > > > > When developing code - performance is not critical, so the above
> model
> > > > > will be more convinent than developing on a cluster.
> > > > >
> > > > > Satish
> > > > >
> > > >
> > > >
> > >
> > >
> >
> >
> > --
> > What most experimenters take for granted before they begin their
> > experiments is infinitely more interesting than any results to which
> > their experiments lead.
> > -- Norbert Wiener
> >
>
>

--
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which
their experiments lead.
-- Norbert Wiener