yorolpal
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Disabling Core Parking...it helped me
I'm sure I'll get some comments through which I'll learn a great deal (as per usual) from smarter fellers and gals than me by posting this BUT... I've been having a problem that cropped up as far back as X2 where my 8 core cpu seemed to only use the first core and it would max out rather quickly. When I first got my machine from Jim (Studio Cat) it was a monster. I could track, tweak and mix all without freezing many (or any) tracks and throw all the plugs I wanted into any project. But then, I started getting pops and crackles after loading up a project with plugs and many tracks and started having to resort to freezing and upping my sample buffers when mixing on my interface (Motu Audio Express). I could see every time this happened that the first core was maxing out in Sonar's cpu meters and that the other cores were barely registering. Yesterday I was trying to mix a not inordinately large mix when I started getting pops and crackles. So first, I froze most of the tracks. Still no love. So I raised my buffers to 1012. All was good. But it finally bothered me enough to start interweb sleuthing about those damn cores. And I stumbled on Core Parking and how to disable it. There were older threads from this forum as well that, as far as I could tell, never had a definitive answer as to whether this was good or bad...would work or wouldn't...should be done or never, ever, never do it no how, no way. So I found this method: Open Regedit Go to, HKEY_LOCAL_MACHINE SYSTEM ControlSet001 Control Power PowerSettings 54533251-82be-4824-96c1-47b60b740d00 Then select "0cc5b647-c1df-4637-891a-dec35c318583", right click ValueMax and "Modify" from "64" to "0" The go down more to ea062031-0e34-4ff1-9b6d-eb1059334028 Right Click Attributes, and "Modify" from "1" to "0" Then go back to SYSTEM, and close ControlSet001, repeat steps for ControlSet002 then repeat again for CurrentControlSet File and Exit out of Regedit. Shutdown, and cold restart. Core parking should now be disabled. And did it. And it solved my problem. I'm back to being able to track AND mix at 96 samples which is 2.7 ms latency. I can actually see the other cores working now. It is tres fab. PLEASE UNDERSTAND...I AM NOT ADVISING ANYONE TO MUCK ABOUT THEIR REGISTRY WITHOUT KNOWING HOW TO GET BACK TO WHERE YOU WERE IN THE FIRST PLACE! I'm posting this mainly as one feller's experience and to see what others may know about it. If you do want to try it for gawd's sake create a restore point beforehand and save and print out the above instructions so you can reverse them if needed. So...Core Parking seems to me to be crummy for DAWS. What do you think? Or know?
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Leadfoot
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Re: Disabling Core Parking...it helped me
2015/01/25 17:19:22
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Thanks for the info olpal. I've only got a quad core, so I need em all firing to get the most outta my DAW. I've noticed that my first core gets the biggest workout too. I'm hoping this will help me as well. 
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fitzj
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Re: Disabling Core Parking...it helped me
2015/01/25 17:31:07
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I will try that see what happens. Thanks DogHouse.
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gswitz
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Re: Disabling Core Parking...it helped me
2015/01/25 18:49:39
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You might consider creating a restore point before trying this. Registry stuff goes funny sometimes.
I tested the change on a particular project where I use Galbanum Piscis Rapture Pads that push the first processor.
After the change, I saw no improvement, so I reverted.
StudioCat > I use Windows 10 and Sonar Platinum. I have a touch screen. I make some videos. This one shows how to do a physical loopback on the RME UCX to get many more equalizer nodes.
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yorolpal
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Re: Disabling Core Parking...it helped me
2015/01/25 18:56:41
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One anomaly I've noticed since making the change and listening back to several large projects is that sometimes the first core will "load up" as the song progresses. Not like it used to...but noticeably. If I stop playback at that point and start playback again it goes back down. Weird.
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gswitz
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Re: Disabling Core Parking...it helped me
2015/01/25 19:03:16
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Yorolpal,
Some synths have very long 'impulses'. Are you using synths when you notice this?
It could be the case that when you have several minutes of held tones fed to a synth that you slowly grow the amount of load. If the synth can't spread that load across the processors, it'll stack up on one (probably the first). For things like insert fx, you will probably not have this type of problem because the relatively small amount of work can be moved to a number of processors.
For me, I notice the issue significantly with Galbanum Piscus Pads when I stand on the hold pedal on my midi device. I almost never have the problem otherwise.
StudioCat > I use Windows 10 and Sonar Platinum. I have a touch screen. I make some videos. This one shows how to do a physical loopback on the RME UCX to get many more equalizer nodes.
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auto_da_fe
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Re: Disabling Core Parking...it helped me
2015/01/25 19:14:10
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I made the reg change and my resource monitor still shows 4 of the Cores parked
Do you see the resource monitor change ?
JR
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fwrend
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Re: Disabling Core Parking...it helped me
2015/01/25 19:48:11
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Splat 
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Re: Disabling Core Parking...it helped me
2015/01/25 19:56:30
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Definetely a must do tweak for Windows 7. I would get crackles during playback without this.
I found with Windows 8 it works acceptably without the tweak.
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johnnyV
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Re: Disabling Core Parking...it helped me
2015/01/25 20:19:33
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What I don't get is that you bought a custom DAW computer and still had to tweak it. Doesn't Jim offer excellent support ? I have heard so from most folks?
Also I could be wrong but I think you need to back up the registry using a different tool than system restore.
I use CCleaner and it has a registry cleaning tool that always gives you the option of a registry back up before you nuke stuff.
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yorolpal
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Re: Disabling Core Parking...it helped me
2015/01/25 21:28:45
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Jim's boxes are the very best. And mine came ready to rock. It was only the last few iterations of Sonar that I noticed this happening. Maybe Jim can chime in with the straight skinny...but I have never had a better DAW than the one he built for me. Period.
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tlw
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Re: Disabling Core Parking...it helped me
2015/01/25 21:52:27
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Core parking can be very bad news indeed on a DAW. As can various cpu CE sleep/power saving modes normally set in the bios which work by partially throttling the cpu. No problem in Word or Photoshop or most games, but bad news on a system that needs real time response and can't hang around for a few hundred miliseconds while cores are broought up tp speed.
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Tom Riggs
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Re: Disabling Core Parking...it helped me
2015/01/25 22:36:35
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Like CakeAlex I disabled it in Windows 7 but have not yet on windows 8.1. If needed on hyperthreaded systems or systems with more that 4 cores it could be benificial depending on your usage of course.
If it helped then that's great.
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Echojester
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Re: Disabling Core Parking...it helped me
2015/01/26 03:29:43
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This was an issue with win7 when the 8cores came out,there are two fixes you can download from Microsoft you need both,after you run them they essentially do what's being described here without actually dabbling in your registrys.windows 8 supports the 8 core amd chips were 7 doesn't you shouldn't need to mess with it in 8 unless you actually have issues.
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Jim Roseberry
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Re: Disabling Core Parking...it helped me
2015/01/26 07:20:53
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johnnyV
What I don't get is that you bought a custom DAW computer and still had to tweak it. Doesn't Jim offer excellent support ? I have heard so from most folks?
We disable CPU Core Parking. In fact, we just built Noel Borthwick's new DAW. Ask him how it's performing...  We built OurOlPal's machine a good while ago. Not sure how CPU Core Parking was (re)enabled. If any client has an issue, they're always welcome to contact us for support.
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yorolpal
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Re: Disabling Core Parking...it helped me
2015/01/26 11:51:15
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As I said Jim, ol pal. Your DAWs are the best things goin!! But it is weird because this problem didn't crop up until early last year and has seemed to get worse since. Could a Win update or some such have done it?? In any case I'm back to hot straight and normal now. But I'll keep ya posted as to ongoing results. I probably should have emailed you directly before mucking about but I didn't want to pester wart ya:-)
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dlesaux
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Re: Disabling Core Parking...it helped me
2015/01/26 13:16:38
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fwrend
Not sure this is the thread but another forum member posted this website and core parking utility:
http://www.coderbag.com/p...u-core-parking-utility
I have done neither so proceed at your own risk.
Just used the coderbag utility that fwrend linked above and it worked like a charm. All of my CPUs were indeed parked. I do see an improvement overall. Great thread and great tips from everyone!
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microapp
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Re: Disabling Core Parking...it helped me
2015/01/26 13:57:30
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You should also change the threading model in Sonar. http://forum.cakewalk.com/FindPost/1982770 The core parking may cause clicks or pops while the parked core is started but the threading model controls how Sonar distributes the load among the cores.
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bapu
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Re: Disabling Core Parking...it helped me
2015/01/26 14:02:26
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 Bittersweet to see a ba_midi post.
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BassDaddy
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Re: Disabling Core Parking...it helped me
2015/01/26 14:10:27
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yorolpal
One anomaly I've noticed since making the change and listening back to several large projects is that sometimes the first core will "load up" as the song progresses. Not like it used to...but noticeably. If I stop playback at that point and start playback again it goes back down. Weird.
I did it and it works for me. I HATE seeing that one core going up high and the others are very low. New projects seem to work fine but a few older projects were Core 0 was really peaking still get higher than new projects. I don't get it but I saw it happening. It never was a problem in X1 but it got noticeable in X2. No opinion, just an observation.
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microapp
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Re: Disabling Core Parking...it helped me
2015/01/26 14:16:44
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You may see some improvement with just core parking.
Biggest bang for the buck is disable core parking and change the threading model.
Sonar ships (X3 anyway) with the threading model set for dual-core CPUs.
If you have 4 or more cores, change it to 2. Sonar will then utilize as many threads as it can.
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microapp
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Re: Disabling Core Parking...it helped me
2015/01/26 14:23:49
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gustabo
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Re: Disabling Core Parking...it helped me
2015/01/26 14:29:18
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I am noticing better distribution across 8 cores in Platinum over X3e.
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Mosvalve
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Re: Disabling Core Parking...it helped me
2015/02/08 09:44:18
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yorolpal
I'm sure I'll get some comments through which I'll learn a great deal (as per usual) from smarter fellers and gals than me by posting this BUT...
I've been having a problem that cropped up as far back as X2 where my 8 core cpu seemed to only use the first core and it would max out rather quickly. When I first got my machine from Jim (Studio Cat) it was a monster. I could track, tweak and mix all without freezing many (or any) tracks and throw all the plugs I wanted into any project. But then, I started getting pops and crackles after loading up a project with plugs and many tracks and started having to resort to freezing and upping my sample buffers when mixing on my interface (Motu Audio Express). I could see every time this happened that the first core was maxing out in Sonar's cpu meters and that the other cores were barely registering. Yesterday I was trying to mix a not inordinately large mix when I started getting pops and crackles. So first, I froze most of the tracks. Still no love. So I raised my buffers to 1012. All was good. But it finally bothered me enough to start interweb sleuthing about those damn cores. And I stumbled on Core Parking and how to disable it. There were older threads from this forum as well that, as far as I could tell, never had a definitive answer as to whether this was good or bad...would work or wouldn't...should be done or never, ever, never do it no how, no way. So I found this method:
Open Regedit Go to, HKEY_LOCAL_MACHINE SYSTEM ControlSet001 Control Power PowerSettings 54533251-82be-4824-96c1-47b60b740d00 Then select "0cc5b647-c1df-4637-891a-dec35c318583", right click ValueMax and "Modify" from "64" to "0" The go down more to ea062031-0e34-4ff1-9b6d-eb1059334028 Right Click Attributes, and "Modify" from "1" to "0" Then go back to SYSTEM, and close ControlSet001, repeat steps for ControlSet002 then repeat again for CurrentControlSet File and Exit out of Regedit. Shutdown, and cold restart. Core parking should now be disabled. And did it. And it solved my problem. I'm back to being able to track AND mix at 96 samples which is 2.7 ms latency. I can actually see the other cores working now. It is tres fab. PLEASE UNDERSTAND...I AM NOT ADVISING ANYONE TO MUCK ABOUT THEIR REGISTRY WITHOUT KNOWING HOW TO GET BACK TO WHERE YOU WERE IN THE FIRST PLACE! I'm posting this mainly as one feller's experience and to see what others may know about it. If you do want to try it for gawd's sake create a restore point beforehand and save and print out the above instructions so you can reverse them if needed. So...Core Parking seems to me to be crummy for DAWS. What do you think? Or know?
yoropal, thanks for posting this tweak. With only say 10 tracks, some are softsynths and maybe 6 plugins or so I could never play back without the Snap crackle and pops at a latency setting of 194. I had to be at 1024 or higher. After making this tweak I can record and mix at 194 without a glich. I am amazed at this. I have a dual core cpu with 4 threats and the performance meter is mostly level between the threads. I'm a very happy camper right now. thanks.
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wolfstudios53
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Re: Disabling Core Parking...it helped me
2015/02/08 17:25:47
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Thanks yorpal! Since I upgraded to Sonar Platinum, I have had to set my buffers up to 1026 to control the clipping noise. Your suggestion was perfectly timed. Regedit tweaking with your instructions helped. Thanks again!
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S.L.I.P.
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Re: Disabling Core Parking...it helped me
2015/02/08 22:54:53
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I bought my machine from Jim about a year and a half ago, and it is still the same monster! Best machine I've every had by far. Only had to call Jim a couple of times (user error) when I first received the machine, and he was right there to help! If you ever want a great machine for audio, video, with fantastic customer care, Studio Cat is the way to go!
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lfm
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Re: Disabling Core Parking...it helped me
2015/02/08 23:32:25
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Disable dynamic overclocking was good help too.
It delays starting a new core, and try to overclock to manage with running cores.
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