Gentoo Archives: gentoo-user

From: Philip Webb <purslow@××××××××.net>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Slow UI for firefox 68
Date: Wed, 18 Sep 2019 01:31:17
Message-Id: 20190918013106.GO2340@ca.inter.net
In Reply to: [gentoo-user] Slow UI for firefox 68 by Emmanuel Vasilakis
1 190917 Emmanuel Vasilakis wrote:
2 > Just finished compiling www-client/firefox 68.1.0
3 > and I'm seeing a very big lag mainly in UI operations.
4 > I.e., clicking on the menu button or any other button on the UI
5 > takes 5-6 seconds for the menu to appear,
6 > during which firefox goes up to using 100% of my CPU.
7 > Even typing something in the URI bar has a lag of 1 sec
8 > between key presses and text appearing.
9
10 Nothing like that here. Generally, it's a bit faster than before.
11
12 > I've compiled firefox using these use flags:
13 > clang custom-cflags custom-optimization dbus gmp-autoupdate hwaccel lto
14 > pgo screenshot startup-notification system-av1 system-harfbuzz
15 > system-icu system-jpeg system-libevent system-libvpx system-sqlite
16 > system-webp
17
18 root:520 ~> eix firefox
19 ...
20 Installed versions: 68.1.0^d([2019-09-15 03:03:10])
21 (dbus -bindist -clang -custom-cflags -custom-optimization -debug -eme-free
22 -geckodriver -gmp-autoupdate -hardened -hwaccel -jack -lto -neon -pgo
23 -pulseaudio -screenshot -selinux -startup-notification -system-av1
24 -system-harfbuzz -system-icu -system-jpeg -system-libevent -system-libvpx
25 -system-sqlite -system-webp -test -wayland -wifi
26 CPU_FLAGS_X86="-avx2"
27 L10N="-ach -af -an -ar -ast -az -be -bg -bn -br -bs -ca -cak -cs -cy -da -de
28 -dsb -el -en-CA -en-GB -eo -es-AR -es-CL -es-ES -es-MX -et -eu -fa -ff -fi
29 -fr -fy -ga -gd -gl -gn -gu -he -hi -hr -hsb -hu -hy -ia -id -is -it -ja -ka
30 -kab -kk -km -kn -ko -lij -lt -lv -mk -mr -ms -my -nb -nl -nn -oc -pa -pl
31 -pt-BR -pt-PT -rm -ro -ru -si -sk -sl -son -sq -sr -sv -ta -te -th -tr
32 -uk -ur -uz -vi -xh -zh-CN -zh-TW")
33
34 I've always had '-*' to start the USE list in 'make.conf',
35 which is widely denounced, but useful more often than not.
36
37 --
38 ========================,,============================================
39 SUPPORT ___________//___, Philip Webb
40 ELECTRIC /] [] [] [] [] []| Cities Centre, University of Toronto
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