LTO branch merged into trunk - trunk remains CLOSED

Mon Oct 5 14:42:00 GMT 2009

Diego Novillo <dnovillo@google.com> writes:
> The LTO branch has been merged into trunk at revision 152434.
> [...]

Congrats.
> [...] That's it. The result should, in principle, execute faster
> but our IPA cost models are still not tweaked for LTO. We've seen
> speedups as well as slowdowns in benchmarks (see the LTO testers at
> http://gcc.opensuse.org/). [...]

Would it make sense to keep -flto unemphasized in NEWS etc., until
some consistently positive performance results of some sort have been
identified?
- FChE