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WinFix: i7 owners Win7 by default is crippling our CPU's - Page 2

post #11 of 93
thanks
post #12 of 93
Has anyone noticed a performance gain in anything by doing this?
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post #13 of 93
Quote:
Originally Posted by selectstriker2 View Post

its not about bottlenecking. Its about telling the OS task scheduler to treat the HT cores as real cores when scheduling them

More of what is is gaining you, if the cores are not needed or not coded to be active why be using them.
Quote:
Originally Posted by wholeeo View Post

Has anyone noticed a performance gain in anything by doing this?

This.
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post #14 of 93
Interesting.
post #15 of 93
Quote:
Originally Posted by wholeeo View Post

Has anyone noticed a performance gain in anything by doing this?

I did with BOINC and F@H.

I do agree most people would not notice this, but people who make their silicon work, it's priceless.
   
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post #16 of 93
Yeah this is mostly for HT CPUs or CPUs with a lot of cores (BD). This has been out for a long time.

You wont really see much performance difference, it basically just turns on the idle threads to run and spreads out the load evenly instead of actually waiting for 100% load. When BF3 first came out it had a hitching/slight lag issue with the i7s, this was primarily the cause of that till they patched it up. I could see this mostly benefiting programs that use multiple threads or when you're casting/live streaming etc.. as for temps it should increase it slightly.

For i7 users you will notice instead of 4 boxes with activity in your task manager and the other 4 idling, you will see 8 with activity as work is spread out evenly throughout the cores.
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post #17 of 93
Quote:
Originally Posted by garikfox View Post

By default Windows 7 uses Core parking with our i7 CPU's, This is a power savings feature and it actually decreases performance and isnt needed on Desktops but designed for Laptops.
For example: With a i7 2700K when cruising the net with Firefox/Safari etc. or compressing a file with WinRAR youll notice that only 4 threads are being used not 8. The core parking feature of Windows 7 is crippling our performance.
To get all CPU Threads working all the time we have to Disable Core parking in Windows 7, below is how we do this and unleash the true performance of our i7 CPU's smile.gif
Step 1: Go into Task Manager/Resource Monitor and see if any cores are parked, If so then goto Step 2.
Step 2: Run Regedit
Step 3: Goto the location in the picture below.
47
Step 4: Click on "Attributes" on the right hand side and modify the value to "0" (This will add the core parking option to Control Panel/Power Options)
Step 5: Restart the computer
Step 6: Now go into Control Panel/Power Options and set the Core Parking feature to "100%" then hit Apply, This will disable core parking.
278
Now you have disabled Core Parking which in my opinion is what it should be like in the first place. smile.gif
Enjoy the "True" Performance of your i7 CPU thumb.gif

thank you very much for this it worked perfect, all 12 threads are all running now, none of them are parked.
it use to show 8 of the 12 were parked.thumbsupsmiley.png
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post #18 of 93
Thread Starter 
Your welcome smile.gif
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post #19 of 93
Thread Starter 
I was wondering which cores were parked on your CPU's ?

Before I disabled core parking it was 1,3,6,7, that were parked, Then after a restart it parked 1,3,5,7

So it seems it doesnt park just the HT cores it parks other cores aswell
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post #20 of 93
+Rep

thank you
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