2010/7/8 Jakub Jelinek <jakub@xxxxxxxxxx>: > Generally, much better speedup can be achieved by using PGO > (-fprofile-generate, run on some testsuite, -fprofile-use). > GCC itself is built that way for several years, but it would be useful if > other performance sensitive packages were built that way too, assuming they > have some testsuite which resembles common use. > > E.g. bash can be easily trained on some configure or some other > large shell scripts, similarly for python, perl, ... > The speedups from this can go up to say 30% or so. > > Jakub > -- It seems MeeGo builds core packages by using PGO already. Is there anyone who would like to volunteer to write a packaging guideline about using PGO? Regards, Chen Lei -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
