Public bug reported:

Unity8 stutters constantly (like half frame rate) on an i7 desktop.

This regression only happened recently, perhaps due to the introduction
of Mir 0.26.0.

Surprisingly though, using the same Mir release I can start a demo
server on another VT and everything is silky-smooth. The problem only
seems to occur with Unity8.

** Affects: canonical-devices-system-image
     Importance: High
         Status: New

** Affects: mir
     Importance: High
     Assignee: Daniel van Vugt (vanvugt)
         Status: New

** Affects: unity8 (Ubuntu)
     Importance: High
         Status: New


** Tags: performance regression

** Also affects: mir
   Importance: Undecided
       Status: New

** Changed in: mir
   Importance: Undecided => High

** Changed in: mir
     Assignee: (unassigned) => Daniel van Vugt (vanvugt)

** Also affects: canonical-devices-system-image
   Importance: Undecided
       Status: New

** Changed in: canonical-devices-system-image
   Importance: Undecided => High

** Summary changed:

- Unity8 stutters constantly (like half frame rate)
+ [regression] Unity8 stutters constantly (like half frame rate)

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https://bugs.launchpad.net/bugs/1661128

Title:
  [regression] Unity8 stutters constantly (like half frame rate)

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