60 days is an absurd timeout, and I would complain loudly about that...
... If it weren't for the fact that I came back to this bug report to
say that it seems to have very recently been solved. Had to have been in
version 93 or 94, probably 94.
At least, for my own purposes, it seems completely
[Expired for firefox (Ubuntu) because there has been no activity for 60
days.]
** Changed in: firefox (Ubuntu)
Status: Incomplete => Expired
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@Olivier Tilloy, ironically, I'm now seeing the same behavior in version
90. I don't remember if the performance behaved the same way in 89 or
not, but maybe? At any rate, performance of Ubuntu's builds has vastly
improved, even if it's still not quite on the same level as Chrome. I
haven't
I found this article from Martin Stransky:
https://mastransky.wordpress.com/2019/01/08/fedora-firefox-heads-to-
updates-with-pgo-lto/
It appears Fedora's Firefox package is build with PGO. Is Ubuntu's .DEB
package built with PGO as well?
There's also this documentation from Mozilla:
@Tynach, the symptoms you describe do advocate in favour of the
toolchain/optimizations hypothesis. If upstream builds are not affected,
wherease Ubuntu builds are, when both are run on the same platform,
surely there is a difference in the optimizations used to produce the
binary under test.
@osomon, I don't think this is due to the toolchain version used. I
semi-recently (I don't know how long it's been going on.. Somewhere in the span
of the last 6 months to the last 2 years? Probably more like the past year and
a half, but it feels in some ways longer, in some ways shorter?)
Similarly, I'm seeing better performance for the snap version of firefox
than with the deb, on Ubuntu 20.10:
deb: 85.1 ± 1.4
snap: 108 ± 1.5
This could very well be explained by the toolchain and default build
options used to build each package: the snap is built from an upstream
binary,
There are 2 real world benchmarks all browsers care about: Page load and
Speedometer. Octane and Speedometer are polar opposites.
https://blog.chromium.org/2017/04/real-world-javascript-
performance.html?m=1
I'm certain that this 15% performance dip for deb is visible in real
world.
--
You
Sorry this is a bit late, but here once again are the speedometer
benchmarks. This time I made sure to include the package version.
I used a different computer than my first test but the conclusion is
still the same: Firefox deb is beaten by alternative packages of firefox
(in this case snap).
Could you give details on the firefox versions used in each of the
cases?
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https://bugs.launchpad.net/bugs/1908082
Title:
Ubuntu Firefox is 15% slower than Flatpak Firefox for
Sorry, I switched distros. I'm on Fedora now. I see Vincent reproduced
it. Can you please collect the bug info Vincent?
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https://bugs.launchpad.net/bugs/1908082
Title:
Ubuntu Firefox
I can confirm this issue using the given steps on pop os 20.10. All
tests were run on the latest firefox and chrome versions (84 and 87,
respectively) as of 2020-12-24. New profiles/users were used for each
test (via about:profiles in firefox and the user feature in chrome). All
other apps were
Could you please run `apport-collect 1908082` to attach relevant debug
information to this bug? Thanks!
** Changed in: firefox (Ubuntu)
Status: New => Incomplete
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