[Bug gcov-profile/55674] [4.8 Regression] >20% size increase of lto/pgo binaries since r193747

[markus at trippelsdorf dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55674

--- Comment #12 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-12-13 22:35:33 UTC ---
(In reply to comment #11)
> Do you happen to know what it was with lto/pgo before the change? Should be
> roughly equivalent to hot-bb-count-ws-permille=970 from what I saw in your
> profiles

Yes, it was ~34MB before the change.

> What size increase is acceptable?

It's hard to say in case of Firefox, because the only thing
that one can reliably measure is the JavaScript performance.
And this varies only very slightly with different compiler options.
So you have no way to measure up to which point more inlining
is still beneficial.