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Re: LTO branch merged into trunk - trunk remains CLOSED
- From: fche at redhat dot com (Frank Ch. Eigler)
- To: Diego Novillo <dnovillo at google dot com>
- Cc: gcc at gcc dot gnu dot org, fortran at gcc dot gnu dot org, java at gcc dot gnu dot org
- Date: Mon, 05 Oct 2009 10:42:05 -0400
- Subject: Re: LTO branch merged into trunk - trunk remains CLOSED
- References: <20091003211217.GA22755@google.com>
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