I'm having absolutely no issues with Alt-Tab in Unity 3D on my end.
Perhaps it depends on the video driver in use?
System specs: 3.3 GHz AMD Phenom II X2 560, 4GB DDR3, Nvidia GT 520 on
295.40 drivers (proprietary), 12.04 LTS x86-64.
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Any progress on this? For me it is not a problem to set to 0 the delay
in static application switcher on every ubuntu install for so many
months. However i'm sure that new users do not appreciate this 'design
decision', which hurts the responsiveness.
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** No longer affects: unity (Ubuntu)
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https://bugs.launchpad.net/bugs/772177
Title:
Alt+Tab Feels slow
To manage notifications about this bug go to:
In my opinion, this bug belongs in the One Hundred Paper Cuts list.
It was marked invalid for that list in May of this year, but the alt-tab
functionality has been completely reimplemented since then, so it's
worth re-evaluating now.
See my comment above; the responsiveness should not be measured
By the way, this should be fixed because not everybody uses the unity
window switching ability - I turned it off because it was slow (bug
836023 ).
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I am seeing this even after setting the window popup delay to zero. I
think the configurable delay is actually a red herring for the real bug,
a lack of responsiveness when hitting alt-tab. On my machine the lag
between the keystroke and the window appearing is about 400-500ms.
Other
Marking Unity as it seems integrated into the Unity interface (shares
for instance config with Unity).
There's by the way no option for adjusting the delay in the Unity
config, just a lot of other switcher related options.
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Well, I find it strange that the behavior is exactly the same with the
new switcher. I'm using latest Oneiric, and there's still a delay on the
switcher (has bugged me a lot!) AND the switcher appears briefly
(flickers) when Alt+Tab'ing quickly.
** Also affects: unity (Ubuntu)
Importance:
The user experience is degraded FAR MORE by the 0.2 second delay than it
is by the flicker of the window (which I do not experience when setting
the delay to 0). My googling has indicated that the solution that many
people opt for is to disable compositing completely. That should be an
indication
Could this be solved by switching instantly, and only showing the window
if the user doesn't release the Alt button in 0.2 seconds?
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Hm. This may not matter for Ubuntu anymore, as Oneiric features a
completely new Alt-Tab interface.
http://www.jonobacon.org/2011/08/26/ubuntu-11-10-so-far-screenshot-tour/
It looks like it will also be configurable via the Unity pane in
CompizConfig Settings Manager.
I'm out of the office until 1st August.
On 2 May 2011, at 13:39, ifj. Kálmán Tarnay
772...@bugs.launchpad.net wrote:
** Also affects: hundredpapercuts
Importance: Undecided
Status: New
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Papercutters, which is
I'm out of the office until 1st August.
On 3 May 2011, at 11:57, One-Man-Bucket 772...@bugs.launchpad.net
wrote:
It's not only the delay configuration Marc mentions. For me the static
window switcher widget appears after a couple of seconds and is
extremely laggy. If do alt+tab a couple of
I finally found a solution for this here:
https://help.ubuntu.com/community/Metacity
You run gconftool /apps/metacity. When the window opens, go to
General and turn off compositing_manager. That's it!
You won't get the nice drop-shadows around your window borders nor the
nice thumbnails, but
This is the main reason I always disable desktop effects/compiz/unity.
When I'm working I alt+tab very quickly. Most of the times I don't even
need to see the window switcher, I keep switching between the last 2
windows.
The problem is that the way it's done here not only you need to wait for
Agreed. And we shouldn't fix an issue by breaking another. The delay is
annoying. So much so that I started googling for a fix right after I
installed unity unbuntu
On Jul 12, 2011 12:01 PM, Pigeonman 772...@bugs.launchpad.net wrote:
honestly i'd way rather see the flickering than tolerating the
honestly i'd way rather see the flickering than tolerating the 0.2sec
delay every single time i press and hold alt-tab. It makes ubuntu feels
very sluggish and subpar comparing with Win and Mac.
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As it's already the second branch with the exact same patch, let me copy here
why setting from 0.2 to 0 isn't the solution:
Indeed, if you alt + tab between two applications very quickly, you will then
see a flickering dialog appearing. The delay is there to prevent that and it
was discussed in
seems like a hack to prevent something that should be fixed. Why make a
keep a design decision that users are describing as an unpleasant
experience just to prevent a flickering effect that probably should be
fixed. I have zero delay and experience no flicker, btw.
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** Changed in: compiz (Ubuntu)
Status: Confirmed = In Progress
** Changed in: compiz (Ubuntu)
Assignee: (unassigned) = Elvis Dominguez (elvisd79)
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** Branch linked: lp:~elvisd79/ubuntu/oneiric/compiz-plugins-main/fix-
for-772177
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Title:
Alt+Tab Feels slow
To manage
** Changed in: compiz (Ubuntu)
Status: In Progress = Fix Committed
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Title:
Alt+Tab Feels slow
To manage notifications
** Changed in: compiz (Ubuntu)
Status: In Progress = Confirmed
** Changed in: compiz (Ubuntu)
Assignee: kzmd (kzmd) = (unassigned)
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** Changed in: compiz (Ubuntu)
Assignee: (unassigned) = kzmd (kzmd)
** Changed in: compiz (Ubuntu)
Status: Triaged = In Progress
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** Branch linked: lp:~kzmd/ubuntu/natty/compiz-plugins-main/popup-delay-
fix-772177
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Title:
Alt+Tab Feels slow
It's not only the delay configuration Marc mentions. For me the static
window switcher widget appears after a couple of seconds and is
extremely laggy. If do alt+tab a couple of times Xorg cpu usage hits
100%.
It seems it broke with todays updates.
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One-Man-Bucket, that might be specific to your install. There's been no
updates to compiz in natty at this point, so I would recommend you file
a new bug using
#ubuntu-bug compiz
To gather your system specific details. This bug is only for changing
the default popup delay from 0.2 to 0.
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FWIW, this setting is configurable under 'Window Management' - 'Static
Application Switcher', under the 'Behaviour' tab. And yes, 0.2 makes no
sense so much so I came looking to file a bug.
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** Also affects: hundredpapercuts
Importance: Undecided
Status: New
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Title:
Alt+Tab Feels slow
Marked as triaged since the cause is documented. Medium since it
affects users first impressions of Ubuntu and Unity.
** Changed in: compiz (Ubuntu)
Status: Confirmed = Triaged
** Changed in: compiz (Ubuntu)
Importance: Undecided = Medium
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Yes, I think it should be 0. 0.2 has no sense to me. It quite breaks my
focus on the task.
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Title:
Alt+Tab Feels slow
I cannot think of any reason for having a 0.2 second delay before showing the
Alt+Tab window.
It is just a bad default. The default value for popup_delay should be 0.
It's just a trivial change, and almost all users use Alt+Tab nowadays, and a
0.2 second delay is quite noticeable in this case.
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