Public bug reported:
Chrome/Chromium is composited slower without "system title bar and
borders".
I had a feeling I could see a difference on my 4K monitor and weak Intel
GPU. Enabling "Use system title bar and borders" eliminated stutters and
gave me a smoother experience. So now I've taken some measurements from
gnome-shell (CLUTTER_SHOW_FPS=1) running Chromium, not stuttering but
playing a smoothly rendered video:
---
Xorg
Use system title bar and borders ON:
*** X11 screen frame timings over 1.0s: 59.96 FPS, average: 1.0ms, peak: 2.8ms
*** X11 screen frame timings over 1.0s: 60.03 FPS, average: 0.9ms, peak: 2.4ms
*** X11 screen frame timings over 1.0s: 59.99 FPS, average: 1.0ms, peak: 2.2ms
*** X11 screen frame timings over 1.0s: 59.96 FPS, average: 1.3ms, peak: 2.9ms
*** X11 screen frame timings over 1.0s: 59.99 FPS, average: 1.5ms, peak: 2.9ms
Use system title bar and borders OFF:
*** X11 screen frame timings over 1.0s: 56.92 FPS, average: 3.8ms, peak: 5.7ms
*** X11 screen frame timings over 1.0s: 59.94 FPS, average: 3.9ms, peak: 5.5ms
*** X11 screen frame timings over 1.0s: 60.11 FPS, average: 3.7ms, peak: 4.6ms
*** X11 screen frame timings over 1.0s: 59.98 FPS, average: 3.8ms, peak: 4.8ms
*** X11 screen frame timings over 1.0s: 60.00 FPS, average: 3.9ms, peak: 5.4ms
---
Wayland
Use system title bar and borders ON:
*** DP-2 frame timings over 1.0s: 60.00 FPS, average: 0.9ms, peak: 1.6ms
*** DP-2 frame timings over 1.0s: 58.95 FPS, average: 1.2ms, peak: 2.0ms
*** DP-2 frame timings over 1.0s: 60.02 FPS, average: 1.0ms, peak: 2.2ms
*** DP-2 frame timings over 1.0s: 60.00 FPS, average: 1.0ms, peak: 1.6ms
*** DP-2 frame timings over 1.0s: 60.05 FPS, average: 1.0ms, peak: 1.7ms
Use system title bar and borders OFF:
*** DP-2 frame timings over 1.0s: 56.99 FPS, average: 1.4ms, peak: 2.9ms
*** DP-2 frame timings over 1.0s: 58.98 FPS, average: 1.7ms, peak: 2.7ms
*** DP-2 frame timings over 1.0s: 60.00 FPS, average: 1.5ms, peak: 2.2ms
*** DP-2 frame timings over 1.0s: 58.04 FPS, average: 1.5ms, peak: 2.6ms
*** DP-2 frame timings over 1.0s: 59.99 FPS, average: 1.3ms, peak: 2.5ms
** Affects: chromium-browser (Ubuntu)
Importance: Undecided
Status: New
** Tags: focal hirsute performance
** Summary changed:
- Chrome/Chromium is much slower to render without "system title bar and
borders"
+ Chrome/Chromium is composited slower without "system title bar and borders"
** Description changed:
** Description changed:
- Chrome/Chromium is much slower to render without "system title bar and
+ Chrome/Chromium is composited slower without "system title bar and
borders".
I had a feeling I could see a difference on my 4K monitor and weak Intel
GPU. Enabling "Use system title bar and borders" eliminated stutters and
- gave me a smoother experience. So now I've taken some measurements, not
- of the stuttering but from a smoothly rendered video:
+ gave me a smoother experience. So now I've taken some measurements from
+ gnome-shell running Chromium, not stuttering but playing a smoothly
+ rendered video:
---
Xorg
Use system title bar and borders ON:
*** X11 screen frame timings over 1.0s: 59.96 FPS, average: 1.0ms, peak: 2.8ms
*** X11 screen frame timings over 1.0s: 60.03 FPS, average: 0.9ms, peak: 2.4ms
*** X11 screen frame timings over 1.0s: 59.99 FPS, average: 1.0ms, peak: 2.2ms
*** X11 screen frame timings over 1.0s: 59.96 FPS, average: 1.3ms, peak: 2.9ms
*** X11 screen frame timings over 1.0s: 59.99 FPS, average: 1.5ms, peak: 2.9ms
Use system title bar and borders OFF:
*** X11 screen frame timings over 1.0s: 56.92 FPS, average: 3.8ms, peak: 5.7ms
*** X11 screen frame timings over 1.0s: 59.94 FPS, average: 3.9ms, peak: 5.5ms
*** X11 screen frame timings over 1.0s: 60.11 FPS, average: 3.7ms, peak: 4.6ms
*** X11 screen frame timings over 1.0s: 59.98 FPS, average: 3.8ms, peak: 4.8ms
*** X11 screen frame timings over 1.0s: 60.00 FPS, average: 3.9ms, peak: 5.4ms
---
Wayland
Use system title bar and borders ON:
*** DP-2 frame timings over 1.0s: 60.00 FPS, average: 0.9ms, peak: 1.6ms
*** DP-2 frame timings over 1.0s: 58.95 FPS, average: 1.2ms, peak: 2.0ms
*** DP-2 frame timings over 1.0s: 60.02 FPS, average: 1.0ms, peak: 2.2ms
*** DP-2 frame timings over 1.0s: 60.00 FPS, average: 1.0ms, peak: 1.6ms
*** DP-2 frame timings over 1.0s: 60.05 FPS, average: 1.0ms, peak: 1.7ms
Use system title bar and borders OFF:
*** DP-2 frame timings over 1.0s: 56.99 FPS, average: 1.4ms, peak: 2.9ms
*** DP-2 frame timings over 1.0s: 58.98 FPS, average: 1.7ms, peak: 2.7ms
*** DP-2 frame timings over 1.0s: 60.00 FPS, average: 1.5ms, peak: 2.2ms
*** DP-2 frame timings over 1.0s: 58.04 FPS, average: 1.5ms, peak: 2.6ms
*** DP-2 frame timings over 1.0s: 59.99 FPS, average: 1.3ms, peak: 2.5ms
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to chromium-browser in Ubuntu.
https://bugs.launchpad.net/bugs/1923431
Title:
Chrome/Chromium is composited slower without "system title bar and
borders"
Status in chromium-browser package in Ubuntu:
New
Bug description:
Chrome/Chromium is composited slower without "system title bar and
borders".
I had a feeling I could see a difference on my 4K monitor and weak
Intel GPU. Enabling "Use system title bar and borders" eliminated
stutters and gave me a smoother experience. So now I've taken some
measurements from gnome-shell (CLUTTER_SHOW_FPS=1) running Chromium,
not stuttering but playing a smoothly rendered video:
---
Xorg
Use system title bar and borders ON:
*** X11 screen frame timings over 1.0s: 59.96 FPS, average: 1.0ms, peak: 2.8ms
*** X11 screen frame timings over 1.0s: 60.03 FPS, average: 0.9ms, peak: 2.4ms
*** X11 screen frame timings over 1.0s: 59.99 FPS, average: 1.0ms, peak: 2.2ms
*** X11 screen frame timings over 1.0s: 59.96 FPS, average: 1.3ms, peak: 2.9ms
*** X11 screen frame timings over 1.0s: 59.99 FPS, average: 1.5ms, peak: 2.9ms
Use system title bar and borders OFF:
*** X11 screen frame timings over 1.0s: 56.92 FPS, average: 3.8ms, peak: 5.7ms
*** X11 screen frame timings over 1.0s: 59.94 FPS, average: 3.9ms, peak: 5.5ms
*** X11 screen frame timings over 1.0s: 60.11 FPS, average: 3.7ms, peak: 4.6ms
*** X11 screen frame timings over 1.0s: 59.98 FPS, average: 3.8ms, peak: 4.8ms
*** X11 screen frame timings over 1.0s: 60.00 FPS, average: 3.9ms, peak: 5.4ms
---
Wayland
Use system title bar and borders ON:
*** DP-2 frame timings over 1.0s: 60.00 FPS, average: 0.9ms, peak: 1.6ms
*** DP-2 frame timings over 1.0s: 58.95 FPS, average: 1.2ms, peak: 2.0ms
*** DP-2 frame timings over 1.0s: 60.02 FPS, average: 1.0ms, peak: 2.2ms
*** DP-2 frame timings over 1.0s: 60.00 FPS, average: 1.0ms, peak: 1.6ms
*** DP-2 frame timings over 1.0s: 60.05 FPS, average: 1.0ms, peak: 1.7ms
Use system title bar and borders OFF:
*** DP-2 frame timings over 1.0s: 56.99 FPS, average: 1.4ms, peak: 2.9ms
*** DP-2 frame timings over 1.0s: 58.98 FPS, average: 1.7ms, peak: 2.7ms
*** DP-2 frame timings over 1.0s: 60.00 FPS, average: 1.5ms, peak: 2.2ms
*** DP-2 frame timings over 1.0s: 58.04 FPS, average: 1.5ms, peak: 2.6ms
*** DP-2 frame timings over 1.0s: 59.99 FPS, average: 1.3ms, peak: 2.5ms
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