> 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 user 8m46.586s sys 3m8.955s I think unpacking those big tar balls is bad on lustre. > $ 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
