Core ParkingPost Date: 2013-11-28 |
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Oxon
Newbie Joined: 09 Jun 2012 Online Status: Offline Posts: 25 |
Quote Reply
Topic: Core Parking Posted: 28 Nov 2013 at 8:18am |
I want to disable CPU core parking in Windows 7.
To that end I was able to follow the instructions at the below link to add the following entries to Processor Power Management under Control Panel -> Power Options -> Change plan setting -> Change advanced power settings. Processor performance core parking min cores Processor performance core parking max cores http://forum.notebookreview.com/asus/494232-how-adjust-core-parking-inside-windows-7-a.html The problem I now have is that I cannot change the "Processor performance core parking min cores" setting. Whatever value I enter in that field is reverted to 0 as soon as I click Apply. It seems that I can change the value for "Processor performance core parking max cores." I saw some reference to this problem later in the same linked thread. The suggested solution was to go into the Windows registry and make sure that the Max and Min values for each power profile are correct and at their default. I'm not sure what the correct, default values are, and not sure how to find and change them if they are not correct... Any information on this? I've tried a number of other "fixes" to disable core parking, but when I check the Windows Resource Monitor, it always clearly shows that some of my cores are parked. So I think it must be that my machine always over-rides these changes I make to the registry. I have read that if C6 is disabled in the BIOS, Windows cannot park cores. I haven't tried that yet, and I'm not sure if that is correct and a good way to go about disabling core parking. Thanks for any help! |
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Oxon
Newbie Joined: 09 Jun 2012 Online Status: Offline Posts: 25 |
Quote Reply Posted: 29 Nov 2013 at 7:09am |
In the meantime, I disabled the processor C states in the BIOS. However, when I check the Windows Resource Monitor, it still shows some cores as parked...
I'm not sure how that is possible since I understand core parking is a C state. I did notice that it is alternating cores that are parked, so it looks like the hyper-threaded cores are parked, not the physical cores. And maybe that is normal, even with C states disabled? I could see it more as "thread parking" in this case, which probably doesn't degrade performance the way actual "core parking" does. I mainly want to get the maximum performance from this desktop system: ASUS Rampage IV extreme and 3930k. The small amount of power saving I get from the core parking feature is not worthwhile. |
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Oxon
Newbie Joined: 09 Jun 2012 Online Status: Offline Posts: 25 |
Quote Reply Posted: 29 Nov 2013 at 9:46pm |
Anybody have any further info / thoughts on this core parking issue?
I'm still don't understand why entering any value in "Processor performance core parking min cores" is changed to 0 as soon as I click "Apply"... Thanks! |
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Meller
DS Veteran Joined: 20 Feb 2013 Online Status: Offline Posts: 1627 |
Quote Reply Posted: 30 Nov 2013 at 4:43am |
http://forum.cakewalk.com/Windows-7-amp-Core-Parking-a-better-way-to-Turn-It-OFF-m1861804.aspx
Also to note, as a disclaimer, I in no way encourage you to do registry edits. You can truly mess up your system digging around where you don't belong. Edited by Meller - 30 Nov 2013 at 4:44am |
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ScottishBattleAx
Groupie Joined: 09 Jun 2013 Online Status: Offline Posts: 342 |
Quote Reply Posted: 30 Nov 2013 at 5:11am |
Way too technical for me, but I disabled core parking using the little program talked about and linked from this video. Took seconds and worked easily
http://youtu.be/QkfIFP0g2xY Edited by ScottishBattleAx - 30 Nov 2013 at 5:12am |
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