RW3/ i7/ Win 7 users, take note!

arizonachris · 05-03-2012, 05:34 AM

Actually any i7 users. Win 7 is doing something called "core parking" and it hurts performance. There is a fix, tho.
http://www.overclock.net/t/1250666/w...pling-our-cpus
I've already read good feedback about the fix. (this link was posted on my Tech Support Forum by a friend, Greybear)

StarTux · 05-03-2012, 06:49 AM

Works with i5's too, and if you follow that link and read the comments it seems someone has made a nifty little utility, which works well.

Yes, 3 cores "parked", thanks Microsoft!

You murder Flightsim and reduce performance on my cores without making it an obvious option...Although not sure how much performance gain there will be though.

fozmcfc · 05-03-2012, 07:22 AM

I'll give it a go, same as Startux 3 cores parked.

I still think the loading of assests will mean stutting/pauses whilst they are loaded from the hard drive, but it may help give a faster FPS when it isn't loading any assets.

EDIT.....I used the utility that edits the registry for you and it seems to have helped with a silly, but annoying problem I had with Internet Explorer.

In the past when I have clicked to get a new tab, before I applied this change/fix whatever you want to call it, I would have to wait at least 5 - 10 secs before I chose another website otherwise it would just open up the website in the original tab.

Now it is lightening fast when I click for a new tab and I can open a new webpage instantly.

arizonachris · 05-03-2012, 07:48 AM

I think I read that MS' reason for the parking thing was for laptops to save power. Too bad Windows can't tell if you have a laptop or a desktop.

I'm glad I have a Bulldozer. Ain't no cores parked here!

zm4r · 05-03-2012, 11:30 AM

I guess it depends what you use. I personally won't be, just because it seems like it won't really make a difference for what I do. It could be useful if you do use some less well optimized multi-threaded programs, but it looks like if your software properly loads the CPU the difference will be minimal or non-existent

...day to day its nothing big.

Glad to see somebody made a thread on this though, theres lots of people that will love this

http://www.overclock.net/t/1250666/w...#post_17141111

wrlwnd · 05-03-2012, 12:00 PM

Unlikely this will make any difference for RW.

It could also confuse the OS from differentiating between real cores and HT cores, so I'm not going to mess with it.

culleydog34 · 05-03-2012, 01:59 PM

railworks cant even use more then 2-4 cores, so whats really the point, the parked cores become active when needed. but for testing sakes i will try it and see my results, i dont believe any of my cores were parked before during gaming.

culleydog34 · 05-04-2012, 06:23 AM

only difrence i see with this, it was a bit quicker to load railworks, but i can understand where you are coming from. if you dont care about saving power, this would be fine to leave them all active.i dont remember where i found it, but according to most games anything over the 2500k your not gonna get any improvements in games, accept the new 4 core ivybridge, but if you already have a sandybridge, its a complete waste of money to make the jump to the ivybridge.

peterhayes · 05-04-2012, 04:28 PM

I though that Core parking only occurs if you have HyperThreading switched on in the BIOS if you have HT switched off then Core Parking does not occur. It will work on any multicore processor that supports HT not just the SB series.
Regards
pH

culleydog34 · 05-04-2012, 05:01 PM

Quote:

Originally Posted by peterhayes

I though that Core parking only occurs if you have HyperThreading switched on in the BIOS if you have HT switched off then Core Parking does not occur. It will work on any multicore processor that supports HT not just the SB series.
Regards
pH

well if you have an i7 there is not point in turning hyperthreading off at all, you might as well buy an i5 if your not gonna use the hyperthread

peterhayes · 05-04-2012, 05:29 PM

CD (HGTTG +2)
No that's not quite true. FSX for example runs better without HT On due to thread collisions (and so does a lot of gaming software) and it also generates more heat especially in OC situations than without.
In TS2012 there would be little benefit running with HT on except to warm the room.
Don't forget that TS2012 is Multicore enabled which does not mean that it is also capable of utilising multithreading.

I see no difference with HT on or off except that my cpu runs cooler.
Regards
pH

culleydog34 · 05-04-2012, 06:36 PM

Quote:

Originally Posted by peterhayes

CD (HGTTG +2)
No that's not quite true. FSX for example runs better without HT On due to thread collisions (and so does a lot of gaming software) and it also generates more heat especially in OC situations than without.
In TS2012 there would be little benefit running with HT on except to warm the room.
Don't forget that TS2012 is Multicore enabled which does not mean that it is also capable of utilising multithreading.

I see no difference with HT on or off except that my cpu runs cooler.
Regards
pH

you are absolutely right, it doesnt matter wheather you have ht on for railworks, i have tried it both ways, and it made no difrence in my experience, even 90% of pc games right now cant run anything over 4 cores.but in my particular situation i have had no temp changes with it on or off, i am always at 29c ide and 48-52c under load with my turbo boost set to 4.4 ghz. there is no reason at all to leave your cpu sitting at a really high overclock at all, thats what the turbo boost and the parking was created for in the first place, and power savings of course, why would anyone leave a cpu clocked at say 4.8 ghz when all they are doing is typing a word doc or browsing the internet, of course some of what i am saying is fact, and also my opinion

cheers

peterhayes · 05-04-2012, 07:41 PM

CD
Good points - I agree. I have similar temps to you using water cooling.
Regards
pH

David_VI · 05-06-2012, 11:13 AM

So is there any verdict yet on this helping RW?

Interdictor · 05-06-2012, 12:52 PM

I am unable to make my laptop unpark the cores regardless of what I am doing so I can't tell the difference.

I.

05-03-2012, 05:34 AM	#1
arizonachris Join Date: Aug 2009 Reputation: 620 Posts: 6,438	RW3/ i7/ Win 7 users, take note! Actually any i7 users. Win 7 is doing something called "core parking" and it hurts performance. There is a fix, tho. http://www.overclock.net/t/1250666/w...pling-our-cpus I've already read good feedback about the fix. (this link was posted on my Tech Support Forum by a friend, Greybear)

05-03-2012, 06:49 AM	#2
StarTux Join Date: Jun 2009 Reputation: 16 Posts: 202	Works with i5's too, and if you follow that link and read the comments it seems someone has made a nifty little utility, which works well. Yes, 3 cores "parked", thanks Microsoft! You murder Flightsim and reduce performance on my cores without making it an obvious option...Although not sure how much performance gain there will be though. Last edited by StarTux: 05-03-2012 at 06:52 AM.

05-03-2012, 07:22 AM	#3
fozmcfc Join Date: Dec 2011 Reputation: 38 Posts: 464	I'll give it a go, same as Startux 3 cores parked. I still think the loading of assests will mean stutting/pauses whilst they are loaded from the hard drive, but it may help give a faster FPS when it isn't loading any assets. EDIT.....I used the utility that edits the registry for you and it seems to have helped with a silly, but annoying problem I had with Internet Explorer. In the past when I have clicked to get a new tab, before I applied this change/fix whatever you want to call it, I would have to wait at least 5 - 10 secs before I chose another website otherwise it would just open up the website in the original tab. Now it is lightening fast when I click for a new tab and I can open a new webpage instantly. Last edited by fozmcfc: 05-03-2012 at 07:36 AM.

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05-03-2012, 07:48 AM	#4
arizonachris Join Date: Aug 2009 Reputation: 620 Posts: 6,438	I think I read that MS' reason for the parking thing was for laptops to save power. Too bad Windows can't tell if you have a laptop or a desktop. I'm glad I have a Bulldozer. Ain't no cores parked here!

05-03-2012, 11:30 AM	#5
zm4r Join Date: Nov 2009 Reputation: 64 Posts: 1,047	I guess it depends what you use. I personally won't be, just because it seems like it won't really make a difference for what I do. It could be useful if you do use some less well optimized multi-threaded programs, but it looks like if your software properly loads the CPU the difference will be minimal or non-existent ...day to day its nothing big. Glad to see somebody made a thread on this though, theres lots of people that will love this http://www.overclock.net/t/1250666/w...#post_17141111

05-03-2012, 12:00 PM	#6
wrlwnd Join Date: Feb 2011 Reputation: 11 Posts: 122	Unlikely this will make any difference for RW. It could also confuse the OS from differentiating between real cores and HT cores, so I'm not going to mess with it.

05-03-2012, 01:59 PM	#7
culleydog34 Join Date: Dec 2011 Reputation: 16 Posts: 482	railworks cant even use more then 2-4 cores, so whats really the point, the parked cores become active when needed. but for testing sakes i will try it and see my results, i dont believe any of my cores were parked before during gaming.

05-04-2012, 06:23 AM	#8
culleydog34 Join Date: Dec 2011 Reputation: 16 Posts: 482	only difrence i see with this, it was a bit quicker to load railworks, but i can understand where you are coming from. if you dont care about saving power, this would be fine to leave them all active.i dont remember where i found it, but according to most games anything over the 2500k your not gonna get any improvements in games, accept the new 4 core ivybridge, but if you already have a sandybridge, its a complete waste of money to make the jump to the ivybridge.

05-04-2012, 04:28 PM	#9
peterhayes Join Date: Aug 2011 Reputation: 78 Posts: 752	I though that Core parking only occurs if you have HyperThreading switched on in the BIOS if you have HT switched off then Core Parking does not occur. It will work on any multicore processor that supports HT not just the SB series. Regards pH

05-04-2012, 05:29 PM	#11
peterhayes Join Date: Aug 2011 Reputation: 78 Posts: 752	CD (HGTTG +2) No that's not quite true. FSX for example runs better without HT On due to thread collisions (and so does a lot of gaming software) and it also generates more heat especially in OC situations than without. In TS2012 there would be little benefit running with HT on except to warm the room. Don't forget that TS2012 is Multicore enabled which does not mean that it is also capable of utilising multithreading. I see no difference with HT on or off except that my cpu runs cooler. Regards pH

05-04-2012, 07:41 PM	#13
peterhayes Join Date: Aug 2011 Reputation: 78 Posts: 752	CD Good points - I agree. I have similar temps to you using water cooling. Regards pH

05-06-2012, 11:13 AM	#14
David_VI Join Date: Feb 2009 Reputation: 2 Posts: 41	So is there any verdict yet on this helping RW?

05-06-2012, 12:52 PM	#15
Interdictor Join Date: Feb 2011 Reputation: 47 Posts: 682	I am unable to make my laptop unpark the cores regardless of what I am doing so I can't tell the difference. I.