On Wed, 2009-11-11 at 09:33 +0100, Thiago Macieira wrote: > Actually, it does. > > There's a performance penalty in loading each library, plus a combined > penalty > of symbol resolution. Remember that each library has a different symbol > resolution search order, so the dynamic linker needs to keep the map for each > library. And the more libraries you have, the more libraries you have to walk > through with failed resolutions before you reach the library that provides > the > symbol you're searching for. > > Moreover, inter-library symbol dependency requires expensive relocations. > When > it's inside the same library, a cheaper absolute relocation is possible. This > affects more C++ code (the vtables) than C code (which would go through lazy- > binding PLT), but still affects enough to be relevant.
This is exactly why we're adding stuff to libgio.so rather than adding a new library for every new feature. _______________________________________________ gtk-devel-list mailing list gtk-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-devel-list
