** Changed in: unity8 (Ubuntu)
Assignee: Albert Astals Cid (aacid) => (unassigned)
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Title:
unity8-dash 100% CPU usage when scrolling
To
Ah OK, thanks. You need to be very careful with wording in those cases.
I've changed the title of bug 1604029 to clarify.
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Title:
unity8-dash
Ok, you're misunderstanding the 23% CPU time number i wrote there, it
meant "23% of the CPU time spent by the program", not that it is using
23% of the CPU itself.
There's a bit more detailed description of where the CPU usage of
vertically scrolling comes from at
or
3. There was something using much more than 23% CPU which we ignored :)
The answer will become clearer after the fix for bug 1604029 hits
devices.
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Unless mobile and desktop have dramatically different code paths, we can
possibly merge this with bug 1604029 now, which has a fix. Because 23%
CPU on a desktop is likely the same thing as 100% on a phone.
If you assume both mobile and desktop share the same code then probably one of
the
Another problem is UITK's image path interception
https://bugs.launchpad.net/ubuntu/+source/ubuntu-ui-toolkit/+bug/1604029
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Title:
unity8-dash
There's various reasons for this, one of the reasons for some scopes is
https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1604025
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Title:
** Changed in: canonical-devices-system-image
Status: Confirmed => Triaged
** Changed in: unity8 (Ubuntu)
Status: Confirmed => Triaged
** Changed in: unity8 (Ubuntu)
Assignee: (unassigned) => Albert Astals Cid (aacid)
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** Changed in: canonical-devices-system-image
Importance: Undecided => High
** Changed in: canonical-devices-system-image
Status: New => Confirmed
** Changed in: canonical-devices-system-image
Assignee: (unassigned) => Michał Sawicz (saviq)
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** Also affects: canonical-devices-system-image
Importance: Undecided
Status: New
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Title:
unity8-dash 100% CPU usage when scrolling
Possibly related: bug 1564721
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Title:
unity8-dash 100% CPU usage when scrolling
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** Changed in: unity8 (Ubuntu)
Importance: Undecided => High
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Title:
unity8-dash 100% CPU usage when scrolling
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Confirmed this bug is still occurring in the latest xenial devel-
proposed images.
On a related note, I've been experimenting to observe how the phone
behaves when you remove vsync (not for production use, but to take
measurments). One interesting finding from that is we're still spending
a very
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