Bug 364283

Summary:	Krita heavily freezes and lags on any action making it unsable
Product:	[Applications] krita	Reporter:	Storm Engineer <storm.anthro>
Component:	General	Assignee:	Krita Bugs <krita-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	normal	CC:	halla, rjquiralte
Priority:	NOR
Version:	3.0
Target Milestone:	---
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed In:

Description Storm Engineer 2016-06-13 22:07:16 UTC

Bug appears on 3.0 branch with commit 2dd26c5 - Histogram Improvements

From that commit the following symptoms appear:
 - Krita is extremely slow in general
 - Any action, including making brush strokes, undoing or using any tool will cause Krita to freeze for 5-8 seconds. Random alg and freezing happens too.
 - Krita won't free up used memory on closing the open file, only upon exiting Krita.

System:
Arch Linux + KDE
Intel Core i7-2600
GeForce GTX 750 Ti
16 GB DDR3 1333 MHz

Reproducible: Always

Comment 1 Storm Engineer 2016-06-18 03:25:56 UTC

Built fresh now. The freezing is still there after every brush stroke or other action.

Comment 2 Quiralta 2016-06-18 04:31:19 UTC

Could it be the same as the one I reported? I have the information here https://bugs.kde.org/show_bug.cgi?id=364406

Comment 3 Halla Rempt 2016-06-18 08:23:39 UTC

Yes, this is caused by the historgram docker taking cpu even when it's hidden. It should use some kind of timer or event compression to minimize cpu usage & not do anything when it's hidden.

Comment 4 Storm Engineer 2016-06-18 21:05:10 UTC

(In reply to Quiralta from comment #2)
> Could it be the same as the one I reported? I have the information here
> https://bugs.kde.org/show_bug.cgi?id=364406

Yes, seems to be the same! I also get the pressure and position locking resulting in connecting two points, just like as you described. I assume this ticket can be marked a duplicate then.

Comment 5 Storm Engineer 2016-06-18 21:05:43 UTC


*** This bug has been marked as a duplicate of bug 364406 ***