** Changed in: unity (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/994884
Title:
QueueDraw is very expensive
Status in Nux:
Fix Released
Status in Nux 2.0 series:
Fix Committed
Status in Unity:
Fix Released
Status in “nux” package in Ubuntu:
Fix Released
Status in “unity” package in Ubuntu:
Fix Released
Status in “nux” source package in Precise:
Fix Released
Status in “unity” source package in Precise:
New
Bug description:
[Test Case]
Performance fix - only way of testing is performing the benchmarking steps
again to check if there is improvement.
[Regression Potential]
No obvious regression potential.
Original description:
I've been running a callgrind session trying to figure out how we
could speed up opening the dash and it turned out that especially the
first time the dash is opened, we spend more than 25% of time in
QueueDraw - see the attached callgrind profile (best viewed with
kcachegrind).
Attaching also a simple unity patch that was used to collect the data
+ the command line was `valgrind --tool=callgrind --instr-atstart=no
--collect-atstart=no compiz --replace ccp`.
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