On Wed, 2005-01-19 at 19:16 -0500, Alan Cox wrote: > On Wed, Jan 19, 2005 at 06:24:16PM +0100, Peter Backlund wrote: > > Has anyone been testing -Os (optimize for size) instead of -O2 on any > > greater scale? Fitting as much as possible in L1-cache is a great way to > > obtain high performance. > > I run with almost all of gnome -Os and its faster where I can do tests - but > its hard to be scientific On the OOo front, the compile flags for 2.0 will be/should be "-Os -fno-strict-aliasing" the strict aliasing is apparently why 1.1.X becomes unstable when compiled just with -Os. C.
