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Unpark CPU cores for more performance.

Boomstick777 said:
It's irrelevant what the bios settings are, i.e if Windows determines x amount of cores are parked, it will not use them or will attempt to un-park them during duress i.e gaming etc. Could still cause stuttering. So it's def worth un-parking whatever cores the program reports as parked. As well as making sure bios settings are ok.

I've noticed all games seem smoother to me now (COD Ghosts would stutter in weird places,def not GPU related) now it's butter. Starting to wonder if what I thought was GPU stuttering in the past was in fact parked-core syndrome lol. So much better now, night and day.
Click to expand...

The program reports which cores windows thinks can be parked, not which are parked (resource monitor will tell you which are currently parked). And it gets it wrong if you disable core parking in bios via power states it still thinks windows will park the cores even though it won't. I don't know if windows itself makes the same mistake, in which case there may still be benefits to be had by making the change to stop windows spending time trying to park them ..... no idea really.

Edit: No idea how to disable it in bios by the way, just something I've read about! :/ still good to unpark them via software
 
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Only ever seen core parking when I had my i3-2120 but the moment I did something CPU intensive they unparked. Had my 3570k just over a year now and have never seen any cores parked on it.

Having said that my Metro bench looks like that unparked graph with all the stutters regardless of settings.
 
The only thing that gets me is every video/picture you see of it always has 3 cores (0,1,2), same for me when I rand check status.

**either way unparking them did work**
 
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Just did this with my new 4820K and it certainly made a difference to the overall smoothness. I did it via the registry myself by searching for the key "0cc5b647-c1df-4637-891a-dec35c318583" and changing "Attributes" from 1 to 0 which enables the core parking option in the advanced power management section in control panel. It means i can control the percentage of cores un-parked from the default of 10%. (it also works without needing to restart)

Just a quick metro LL bench to illustrate the change.

Default parked cores
12210538465_fe5ba2e90b_o.jpg


100% un-parked
12210538435_77797b0cea_o.jpg
 
Thrust4Money said:
The only thing that gets me is every video/picture you see of it always has 3 cores (0,1,2), same for me when I rand check status.

**either way unparking them did work**
Click to expand...

Glad it worked for you (:


Kei said:
Just did this with my new 4820K and it certainly made a difference to the overall smoothness. I did it via the registry myself by searching for the key "0cc5b647-c1df-4637-891a-dec35c318583" and changing "Attributes" from 1 to 0 which enables the core parking option in the advanced power management section in control panel. It means i can control the percentage of cores un-parked from the default of 10%. (it also works without needing to restart)

Just a quick metro LL bench to illustrate the change.
Click to expand...

Nice one mate, yeah it's literally night and day on my PC. All games are smoother.

This is the best free upgrade I've ever had :D
 
Done this a while back as i was getting a lot of stutter in bf3/4. Made quite a noiceable difference in bf3. As bf4 is a bit broken at present it's hard to judge the effects on it. But it's something i highly reccomend doing.
 
setter said:
Done this a while back as i was getting a lot of stutter in bf3/4. Made quite a noiceable difference in bf3. As bf4 is a bit broken at present it's hard to judge the effects on it. But it's something i highly reccomend doing.
Click to expand...

+1. Was gonna say this too, done it too (last night) but with BF4 def noticed an improvement though.
 
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Will have to try this when i get home tonight, experiencing quite a lot of stutter on games, although my pc is aged and is due an upgrade!
 
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