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Bug 495652 - Heavy use of processor time for a big photo after some retouching
Heavy use of processor time for a big photo after some retouching
Status: RESOLVED DUPLICATE of bug 479875
Product: GIMP
Classification: Other
Component: General
2.4.x
Other Windows
: Normal critical
: ---
Assigned To: GIMP Bugs
GIMP Bugs
Depends on:
Blocks:
 
 
Reported: 2007-11-10 17:20 UTC by PBY
Modified: 2008-10-30 20:04 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description PBY 2007-11-10 17:20:47 UTC 
Please describe the problem:
I tried to do a miniature like look on a big photo (3872 x 2592). Therefore, I used in Quick Mask mode the gradient tool. After a while, I noticed that the tile rendering after modification was very very slow (and getting slower). The processor usage was very high, even after the rendering was finished, it was above 40% (memory was ok). 
Everything is ok with the same image in 2.2.13

Steps to reproduce:
1. Open the file where the problem appeared
2. display the saved selection mask copy


Actual results:
Very slow rendering, very high processor time usage

Expected results:
Fast rendering, no slowing down

Does this happen every time?
Yes

Other information:
Windows Vista 64
Core2Duo 6600
4 GB of RAM
Comment 1 PBY 2007-11-10 17:38:04 UTC 
I put the photo with which it's possible to reproduce the bug here:
http://www.filefactory.com/file/d9b8a4/
Comment 2 Sven Neumann 2007-11-10 18:16:28 UTC 
I can't reproduce the problem and I am not sure if I understand this report correctly. What exactly do you mean when you say "display the saved selection mask copy"?

Could be a duplicate of bug #479875.
Comment 3 PBY 2007-11-10 20:32:50 UTC 
In the channel tab, the image has a saved selection mask. Just display it with "Channel to selection"
Comment 4 Sven Neumann 2007-11-12 12:37:22 UTC 
OK, it's a duplicate of bug #479875 then.

*** This bug has been marked as a duplicate of 479875 ***