> On Feb 26, 2015, at 5:26 PM, Victor Eijkhout <[email protected]> wrote: > > >> On Feb 26, 2015, at 3:52 PM, Satish Balay <[email protected]> wrote: >> >> -------------- >> Laptop build: MAKE_NP = 4 >> -------------- >> $ time ./configure --download-hypre --download-metis --download-parmetis >> --download-superlu_dist --download-fblaslapack --with-debugging=0 >> --with-c2html=0 PETSC_ARCH=arch-test COPTFLAGS="-O3 -fast" FOPTFLAGS="-O3 >> -fast" CXXOPTFLAGS="-O3 -fast" >> <snip> >> real 3m56.755s >> user 2m47.458s >> sys 0m57.206s > > 3 minutes !? Wow. > > real 15m19.935s
You could also try with master which compiles the external packages with parallel make. May be much faster. > user 8m46.586s > sys 3m8.955s > > I think unpacking those big tar balls is bad on lustre. Could you download the tarballs then untar them into the externalpackages subdirectory before running the configure to avoid that process? But you should still delete totally the $PETSC_ARCH directory before doing this, then manually add the externalpackage subdirectory and unpack the tarballs in there before running the configure (otherwise if you don't completely remove the entire $PETSC_ARCH directory it will likely skip some work). Barry > > >> $ time make PETSC_DIR=/home/balay/petsc PETSC_ARCH=arch-test all >> <snip> >> real 1m13.519s >> user 3m40.708s >> sys 0m47.002s > > ========================================= > gmake[1]: Leaving directory `/work/00434/eijkhout/petsctest/petsc-3.5.3' > Now to check if the libraries are working do: > make PETSC_DIR=/work/00434/eijkhout/petsctest/petsc-3.5.3 > PETSC_ARCH=arch-test test > ========================================= > > real 1m13.661s > user 5m47.502s > sys 1m44.092s > >
