--with-debugging=0 is the configure option to disable debug mode. I use this configure line, which provides good optimization:
./configure --with-cc=gcc --with-cxx=g++ --with-fc=gfortran --download-fblaslapack --download-mpich --with-debugging=0 COPTFLAGS='-Ofast -march=native -mtune=native' CXXOPTFLAGS='-Ofast -march=native -mtune=native' FOPTFLAGS='-Ofast -march=native -mtune=native' On Tue, Mar 31, 2015 at 3:55 PM, Zou (Non-US), Ling <[email protected]> wrote: > Hi All, > > Following the instructions, I installed PETSc 3.5.2 on my Mac and > everything works great. > Two questions: > 1, I suppose the name, PETSC_ARCH=arch-darwin-c-debug, suggests the > installation is a debug version? > 2, How can I install a faster (optimized?) version of PETSc ? > > Best, > > Ling >
