I'm not familiar with Frieza so can't test any of this myself...

If the problem is eglSwapBuffers taking two frames, then that's the same
kind of thing we saw in bug 1563287. Even though we measured the client
(Unity8 itself) was taking two frames, the problem was actually the
server (USC) being so slow that every client swap took 2-3 frames. It's
quite reasonable to imagine bug 1563287 would also manifest in client
=web-browser and server=unity8.

So I suggest trying the fix for bug 1563287 as soon as it's out. Kevin's
fix for that also explicitly mentions frieza

Secondly, what's the oldest working image for frieza? Was it ever fast
or never been?

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to webbrowser-app in Ubuntu.
https://bugs.launchpad.net/bugs/1550371

Title:
  Webbrowser slow scroll and artifact rendering on freiza

Status in Canonical System Image:
  Confirmed
Status in Mir:
  New
Status in Oxide:
  Invalid
Status in webbrowser-app package in Ubuntu:
  Invalid

Bug description:
  Copied from private avila bug: 
https://bugs.launchpad.net/avila-private/+bug/1547569
  STEPS:
  1. Install the latest image
  2. Open the browser
  3. Goto ubuntu.com
  4. Wait for the page to load
  5. Scroll the page

  EXPECT
  Smooth scrolling and rendering as seen on arale and krillin

  ACTUAL:
  Very slow render time on most site with a lot of content
  Scrolling is glitchy and seems to want to fresh render each page as it is 
scrolled

  This is most prominently seen on ubuntu.com but also ebay and amazon
  webapps.

  Webbrowser seems to display the issue the most although I beleive it
  is more likely to be the graphics stack somewhere, tvoss believe that
  perfservice will hopefully solve the issue.

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