Yes, things changed since the report, Ubuntu provides firefox as a snap now and
PGO has been enabled on the amd64 build for a while now
https://github.com/canonical/firefox-snap/commit/7fc10a451
** Changed in: firefox (Ubuntu)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/213708
Title:
Please compile Firefox with PGO optimizations
Status in XULRunner:
Fix Released
Status in firefox package in Ubuntu:
Fix Released
Status in firefox source package in Quantal:
Won't Fix
Status in xulrunner package in Debian:
New
Status in firefox-3.0 package in openSUSE:
New
Bug description:
Binary package hint: xulrunner-1.9
I've been using Arch Linux for the last 3 months. Now, I'm back on
Ubuntu because I got tired of configuring. Configuring never ends.
However, for Arch Linux, I made the best Firefox 3 package (
http://aur.archlinux.org/packages.php?ID=15184 ), which includes PGO
optimizations (
http://developer.mozilla.org/en/docs/Building_with_Profile-
Guided_Optimization ).
The Windows version is PGO optimised. People will hate the Ubuntu
version knowing that the Windows version is so much faster. The
official mozilla nightlies are PGO optimised.
This was a test I did on Arch Linux, which is compiled against i686:
Firefox 3 Beta 3 on the left.
Firefox 3 Beta 4 with Profile Guided Optimisations on the right:
http://www.paste2.org/p/15666
This is what I got with this build https://bugs.launchpad.net/gutsy-
backports/+bug/212468
http://tinyurl.com/6fv8aq
7 times slower. I'm not sure how much i686 helps. But, my i686 PGO was
3 times faster than my normal i686.
There are no regressions. It just works.
I've attached how it was compiled and the mozconfig.
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