On Wed, 14 Feb 2024 16:49:59 +0100 Sylvestre Ledru
<sylvestre@mozilla.com> wrote:

Le 14/02/2024 à 13:00, Lorenzo Bertini a écrit :

Dear Maintainer,

Firefox on debian (both ESR and sid versions) is performing poorly.

Here are the

results on one of my machines, but it's consistent with all the others:

Test: Browserbench Speedometer 2.1

(https://browserbench.org/Speedometer2.1)

Gentoo: 290 (+65%)
Debian sid with vendor package: 260 (+50%)
Debian sid firefox: 175 (-)
Debian sid firefox-esr: 160 (-10%)

Upon inspection, I think the cause is the optimization flags,

including LTO, PGO, O3.

Please take this report in consideration, as the performance

increase is massive.

it is expected and why Mozilla is providing a Debian package now

AFACS, the packages provided by mozilla are only
nightly/devedition/beta, but there is no stable release with the
optimizations, or am I overlooking something?

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