> On Mon, 2006-01-23 at 07:53 -0600, Josh Boyer wrote: >> > On Mon, 2006-01-23 at 11:30 +0900, Warren Togami wrote: > >> > Going off at a tangent....what would people think of the idea of >> > switching to -Os in $RPM_OPT_FLAGS _after_ FC5 is released? >> >> If it results in some form of improvement in performance, I'm all for >> it. > > The "s" in -Os stands for "size", not for "speed". So if -Os compiled > code-execution is faster than the default CFLAGS, something must be > broken elsewhere. That's not true. Yes, -Os stands for size. However code size _can_ translate to performance increase. Think about cache footprint, etc. Smaller code means more can fit in the cache. It also results in a smaller DRAM footprint for thinks like shared libraries, etc. josh -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
