[petsc-users] petsc configuer time

[Barry Smith]

   The long time is pretty much always due to a slow file system (it takes about 3 minutes with my laptop using the local disk) but on a desktop machine using a network file system it can take up to 20 minutes.  We generally always build on a local disk; since disk space is so cheap now pretty much any machine has gigabytes free of disk space that you can use to build on.

   I think two hours is totally unacceptably long. What type of system are you building on and where is the file system? My guess is /home/reddy is off on some slow filesystem away from the machine you are compiling on.

   Barry

On Mar 13, 2014, at 3:29 PM, Dharmendar Reddy <dharmareddy84 at gmail.com> wrote:

> Hello,
>         How long does it take to configure petsc ? I understand that
> it depends on the options, but i am find the particular version i have
> is taking very long time (nearly 2 hours) before it begins configuring
> packages.
> 
> I am using intel MPI and intel compilers.
> 
> I am using the following config opts:
> PETSC_VERSION   = petsc-3.4.3
> MPICC=mpiicc
> MPIF90=mpiifort
> MPICXX=mpiicpc
> COMPILERS = --with-cc="$(MPICC)" --with-fc="$(MPIF90)"
> --with-cxx="$(MPICXX)" COPTFLAGS="$(O_LEVEL)" CXXOPTFLAGS="$(O_LEVEL)"
> FOPTFLAGS="$(O_LEVEL)"
> # COMPILERS = --with-mpi-dir=$(MPI_HOME)
> 
> BLAS_LAPACK     = $(PETSC_BLAS_LAPACK_DIR)
> PETSCExtPackagePath = /home/reddy/libs/petsc
> METISPATH=$(PETSCExtPackagePath)/metis-5.0.2-p3.tar.gz
> MUMPSPATH=$(PETSCExtPackagePath)/MUMPS_4.10.0-p3.tar.gz
> PARMETISPATH=$(PETSCExtPackagePath)/parmetis-4.0.2-p5.tar.gz
> SUPERLUPATH=$(PETSCExtPackagePath)/superlu_dist_3.3.tar.gz
> SCALPACKINC=$(MKLHOME)/include
> SCALPACKLIB="$(MKLROOT)/lib/intel64/libmkl_scalapack_lp64.a
> -Wl,--start-group $(MKLROOT)/lib/intel64/libmkl_intel_lp64.a
> $(MKLROOT)/lib/intel64/libmkl_core.a
> $(MKLROOT)/lib/intel64/libmkl_sequential.a -Wl,--end-group
> $(MKLROOT)/lib/intel64/libmkl_blacs_intelmpi_lp64.a -lpthread -lm"
> #BLACSINC=$(MKLHOME)/include
> #BLACSLIB=$(MKLHOME)/lib/intel64/libmkl_blacs_intelmpi_lp64.a
> confOptsCommon = --with-x=0 --with-make-np=12 --with-hdf5
> --with-hdf5-dir=$(HDF5_DIR) --with-single-library=0  --with-pic=1
> --with-shared-libraries=0 --with-blas-lapack-dir=$(BLAS_LAPACK)
> --with-clanguage=C++ --with-fortran --with-debugging=1 $(COMPILERS)
> --download-metis=$(METISPATH) --download-parmetis=$(PARMETISPATH)
> --download-superlu_dist=$(SUPERLUPATH) --download-mumps=$(MUMPSPATH)
> --with-scalapack-include=$(SCALPACKINC)
> --with-scalapack-lib=$(SCALPACKLIB)
> #--with-blacs-include=$(BLACSINC) --with-blacs-lib=$(BLACSLIB)
> 
> ### configure command
> ./configure --with-scalar-type=real $(confOptsCommon)