On Tue, Jul 13, 2010 at 10:15 AM, Pekka Pietikainen <pp@xxxxxxxxxx> wrote: > On Thu, Jul 08, 2010 at 11:31:09AM -0400, Brandon Lozza wrote: >> A mass rebuild would be recommended as the new compiler will produce faster >> code. I believe everything will benefit and it's worth looking into. For >> example I noticed a significant difference on the OpenSUSE distro when GCC was > There may also be some regressions that cause newer gcc's to miscompile > some previously working code due to a corner-case in some newly > introducted optimization. Rare, but does happen. I've reported a few myself > over the years, and while the gcc people are extremely good at tracking > these down, I'd feel much more comfortable if a mass rebuild got done > early on, just to be sure. > > "Problem started after mass recompile" is much so much easier to diagnose than > "Problem started after bumping package from 1.1 to 1.2 (or even 1.1-1 to > 1.1-2 where we just fixed typos in the documentation". > -- > devel mailing list > devel@xxxxxxxxxxxxxxxxxxxxxxx > https://admin.fedoraproject.org/mailman/listinfo/devel > I'm going to keep a personal note of the apps which do perform faster and grab the src rpm's so that I can compile them myself with LTO. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
