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[Sergio Benjamim <sergio_br2@xxxxxxxxxxxx>]

Using Ubuntu Trusty Tahr (daily build of nov 15) in a core i7-4700HQ and
Intel graphics, and dash "fade in" is still slow... and Alt+Tab
transitions are slow too... it's a shame for ubuntu to be slow in a new
hardware like this...

Change Blur effect to "No blur" or "Static blur" (using Ubuntu Tweak for
this) vastly improved performance.

Other solution is include:

export UNITY_LOW_GFX_MODE=1

to the .xprofile file in user folder, like comment #10.

This last solution works well here (and it is very simple to
implement!). Why ubuntu not coming with this file configuration active,
knowing that 70 or 80% of all desktops, laptops and ultrabooks does not
come with an Nvidia or AMD card, just a single Intel graphics? And
knowing also that the hardware can do all these effects is not installed
by default (like Nvidia and AMD graphics cards)?

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https://bugs.launchpad.net/bugs/1099787

Title:
  Dash blur is too slow to fade in. Please don't fade it unless you can
  make it faster/smoother.

Status in Ayatana Design:
  New
Status in Unity:
  Triaged
Status in “unity” package in Ubuntu:
  Triaged

Bug description:
  Recent Unity version introduced fading blur upon dash opening which
  does not really have a smooth look on i915-driven HD 3000 on the
  laptop screen of 1366x768 and is extremely noticeable on resolution of
  my external display (23" 1920x1080).

  http://www.youtube.com/watch?v=DARe2EfwMSY

  ------------------
  Desired solution:

  - disable all fade in/out effects completely when running on low GFX
  mode (UNITY_LOW_GFX_MODE is set)

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