master.cheung Posted November 11, 2008 Share Posted November 11, 2008 "Rectangle Select" cause paint.net to use 100% cpu cycle I notice whenever the "Rectangle Select" used in an image, the CPU (even 4x!) would go to 100%... is there anyway to fix this? maybe a maximum of 10% on 1 CPU is more than enough? Paint.NET v3.36 (Final Release build 3.36.3158.38068) Quote Link to comment Share on other sites More sharing options...
Goonfella Posted November 11, 2008 Share Posted November 11, 2008 Mine only goes up to 50-55%. I think it must depend on the specs of your PC. Quote Please feel free to visit my Gallery on PDNFans And my Alternatives to PDN Link to comment Share on other sites More sharing options...
Myrddin Posted November 11, 2008 Share Posted November 11, 2008 This has been noted before, as well. The most common causality of this issue is when you're constructing a complex selection, like many selections at one time. Is this the case for you? Quote How to Save Your Images under Different File Types My dA Gallery Link to comment Share on other sites More sharing options...
master.cheung Posted November 12, 2008 Author Share Posted November 12, 2008 Well I wouldn't says it is a complex picture... all I did was just captured the desktop space onto it... like you would do a keyboard press "print screen" and just a do a "Edit | Paste" to paint.net, note that with 1024x768 my paint.net used 50MB+ after I click "Expand canvas". As matter of fact, I tried the test on a number of PC with varies version of asp.net 2.x or 3.x seems it is not related to the those... I mean paint.net is programmed to trying to use as much of the cpu as it can see but certainly its set to use low priority so whenever I switch task to another app the cpu cycle of the paint.net task will drop… still I prefer if it used a max of 10-20% because all I am doing is just a "paste" action why eat up all my CPU times? Quote Link to comment Share on other sites More sharing options...
master.cheung Posted December 15, 2009 Author Share Posted December 15, 2009 I check the issue has improved a lot but a very minor issue still exists on "first" "paste" in v3.5.1 client. I tested it under Windows Server 2008 R2 with dotnet 3.51 setup. From W2K8R2, launch Paint.net v3.5.1 client and taskmgr.exe, Press "PrintScreen" on your keyboard, Expand the canvas and paste the current desktop into Paint.net, now with no mouse movement, note the CPU cycle is continuously being used up: it used up 15% - 20% CPU cycle on my PC. Yes I agreed this has improved a lot so I am just reporting this for the record. Note that now when you try to click "Rectangle Select" and use the "rectangle select" on the current image, it will no longer cause Paint.net to use high cpu cycle anymore. Quote Link to comment Share on other sites More sharing options...
Rick Brewster Posted December 15, 2009 Share Posted December 15, 2009 Does not repro. Quote The Paint.NET Blog: https://blog.getpaint.net/ Donations are always appreciated! https://www.getpaint.net/donate.html Link to comment Share on other sites More sharing options...
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