Hello Matt... 1) configure.log attached
2) Yes, I am online. 3) 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, Amjad Ali. On 9/4/07, Matthew Knepley <petsc-maint at mcs.anl.gov> 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 at gmail.com> 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 at 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.logfor > > 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 at mcs.anl.gov> wrote: > > > On 9/4/07, amjad ali <amjad11 at gmail.com> 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 at gmail.com> 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 at mcs.anl.gov > 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 > -------------- next part -------------- An HTML attachment was scrubbed... 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