southpaw3473
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CPU Spikes and Weird Behavior
Hi all, I'm having some serious issues regarding CPU usage spikes in X3. I have noticed, especially since the "c" patch that my usage on core 0 is spiking more than twice the level than the other 7 cores (system specs in my signature). My computer is pretty powerful so I'm a little perplexed. Not the model of efficiency at the moment, though. Also, I am also getting a continuous rise in core 1 until overload and dropout when I use MOTU Mach 5 synth. It happens over about 15 seconds or so. It's never done this before. I have reset the plugins and rescanned but the problem persists. What could be causing such a disparity between the cores? I have changed the max thread count in the config file and that didn't help so returned to 0. Thanks in advance for the help.
post edited by southpaw3473 - 2013/11/04 08:27:52
We'll not risk another frontal assault-that rabbit's dynamite!!!
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gswitz
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Re: CPU Spikes and Weird Behavior
2013/11/03 18:17:30
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☄ Helpfulby TomHelvey 2013/11/08 22:48:31
Lots of people have reported this type of behavior related to Speed Step. You should be able to use Latency Monitor... http://forum.cakewalk.com/FindPost/2915420This tool will show you information for your system and by processor. My guess about speed step is just a guess, but if you run LatencyMon for 10 minutes while your experiencing problems and post the results to this thread, folks should be able to point you in the right direction. I believe you disable speedstep in the BIOS, if you can find it.
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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konradh
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Re: CPU Spikes and Weird Behavior
2013/11/03 18:23:59
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This may have nothing to do with the issue, but you may want to check that you don't have virus scans running. Also, I go to RUN | MSCONFIG | STARTUP and turn off everything that does not have to be running. Windows is notorious for starting up 50 things that you don't need. Most are very small CPU hits, but they add up. Virus Scan is the biggest CPU hog (which is why I use only Microsoft's free Security Essentials).
Again, I'm sure the problem lies elsewhere, but this can help if not already done. Best of luck.
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southpaw3473
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Re: CPU Spikes and Weird Behavior
2013/11/03 18:57:38
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Thanks for the responses guys. I ran LatencyMon and my DPC and ISR numbers were fine. I had a ton of hard pagefaults, though. The highest number was caused by Microsoft Windows Search Filter Host, whatever the hell that is, followed by Microsoft Windows Search Indexer. I'm not really sure about the results but I have a big, red line under pagefaults.
I'm also not sure why the MOTU sampler is causing what almost looks like a leak. Core 0 goes steadily up until it drops out.
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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cclarry
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Re: CPU Spikes and Weird Behavior
2013/11/03 19:23:02
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Have you installed the 3.2 update of Mach 5?
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southpaw3473
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Re: CPU Spikes and Weird Behavior
2013/11/03 19:40:30
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Yes, I installed the update. Didn't help, unfortunately.
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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Splat 
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Re: CPU Spikes and Weird Behavior
2013/11/03 19:54:10
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Did you disable speed step?
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mettelus
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Re: CPU Spikes and Weird Behavior
2013/11/03 19:59:19
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southpaw3473
Thanks for the responses guys. I ran LatencyMon and my DPC and ISR numbers were fine. I had a ton of hard pagefaults, though. The highest number was caused by Microsoft Windows Search Filter Host, whatever the hell that is, followed by Microsoft Windows Search Indexer. I'm not really sure about the results but I have a big, red line under pagefaults.
I'm also not sure why the MOTU sampler is causing what almost looks like a leak. Core 0 goes steadily up until it drops out.
It may be worthwhile to check your drivers first to see that they are current ( http://forum.cakewalk.com/FindPost/2909231 ) The windows search indexer should not run when you are using your machine, and simply indexes files for quicker searching. If you type "Indexing Options" in the search box above the start button (in Win 7 anyway), this will allow you to modify both the search features, and where that index file is loaded. If that index is fragmented, the indexer has actually blue screened my computer before when it was idle. (but do NOT defrag an SSD if you have them, only magnetic HDD's).
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southpaw3473
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Re: CPU Spikes and Weird Behavior
2013/11/03 20:09:23
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Thanks again, guys. I have made sure all my drivers (both audio and graphics) are up to date. I'm not sure what speed step is. This is located in the BIOS? What does it do and what happens when it's disabled?
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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Splat
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Re: CPU Spikes and Weird Behavior
2013/11/03 20:28:59
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Sell by date at 9000 posts. Do not feed. @48/24 & 128 buffers latency is 367 with offset of 38. Sonar Platinum(64 bit),Win 8.1(64 bit),Saffire Pro 40(Firewire),Mix Control = 3.4,Firewire=VIA,Dell Studio XPS 8100(Intel Core i7 CPU 2.93 Ghz/16 Gb),4 x Seagate ST31500341AS (mirrored),GeForce GTX 460,Yamaha DGX-505 keyboard,Roland A-300PRO,Roland SPD-30 V2,FD-8,Triggera Krigg,Shure SM7B,Yamaha HS5.Maschine Studio+Komplete 9 Ultimate+Kontrol Z1.Addictive Keys,Izotope Nectar elements,Overloud Bundle,Geist.Acronis True Image 2014.
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southpaw3473
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Re: CPU Spikes and Weird Behavior
2013/11/03 20:48:59
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Does it matter that this is a desktop and not a laptop?
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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cclarry
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Re: CPU Spikes and Weird Behavior
2013/11/03 21:07:03
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The Desktop adaptation is called Cool N' Quiet...
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StepD
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Re: CPU Spikes and Weird Behavior
2013/11/03 21:17:23
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Also run Task Manager and look under the App History tab for any Apps that show a large amount of CPU time even though you haven't turned live tile on. I was getting an intermittent spike when I first installed Windows 8.1 and I saw this Clock Host process running and spiking under the Processes tab. I looked under App History and it showed a large amount of CPU time for this Clock app that I never run, and live tile was turned off. I uninstalled the app and everything went back to normal.
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southpaw3473
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Re: CPU Spikes and Weird Behavior
2013/11/03 22:43:05
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cclarry
The Desktop adaptation is called Cool N' Quiet...
I don't seem to have anything called that in my BIOS.
StepD
Also run Task Manager and look under the App History tab for any Apps that show a large amount of CPU time even though you haven't turned live tile on. I was getting an intermittent spike when I first installed Windows 8.1 and I saw this Clock Host process running and spiking under the Processes tab. I looked under App History and it showed a large amount of CPU time for this Clock app that I never run, and live tile was turned off. I uninstalled the app and everything went back to normal.
StepD-I have no apps or widgets of any kind running. Nothing shows any CPU time.
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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StepD
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Re: CPU Spikes and Weird Behavior
2013/11/03 23:25:24
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Okay. Yeah, that just shows you if something has been running without you knowing, so at least you can rule that out.
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southpaw3473
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Re: CPU Spikes and Weird Behavior
2013/11/04 07:41:07
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I did a complete clean un/re-install of X3 "b" and it seems to have alleviated some of the issues. There seems to be better load balancing. MOTU Mach 5 is still demonstrating the same behavior, though.
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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Rob[at]Sound-Rehab
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Re: CPU Spikes and Weird Behavior
2013/11/04 07:55:44
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southpaw3473
Hi all,
I'm having some serious issues regarding CPU usage spikes in X3. I have noticed, especially since the "c" patch that my usage on core 1 is spiking more than twice the level than the other 7 cores (system specs in my signature). My computer is pretty powerful so I'm a little perplexed. Not the model of efficiency at the moment, though.
Also, I am also getting a continuous rise in core 1 until overload and dropout when I use MOTU Mach 5 synth. It happens over about 15 seconds or so. It's never done this before. I have reset the plugins and rescanned but the problem persists.
What could be causing such a disparity between the cores? I have changed the max thread count in the config file and that didn't help so returned to 0.
Thanks in advance for the help.
You could try changing "ThreadSchedulingModel" from default=1 to 2. May help ... or not, but quick and easy to test and set back ... ThreadSchedulingModel=<0 - 2>This variable goes in the [Wave] section and controls the interaction of the main audio thread and worker threads on multiprocessor systems when the Use Multiprocessing Engine option is enabled. Dependingon the system, a particular model may result in less glitching and better overall performance. The values are as follows:0 = Same as previous versions of SONAR. 1 = (default) Better thread balance. Model is more efficient and can provide cycles for other tasks.2 = Additional worker thread is created. This may result in improvement with Quad processor systems or higher. Not recommended for Dual processor systems.
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southpaw3473
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Re: CPU Spikes and Weird Behavior
2013/11/04 08:15:02
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You could try changing "ThreadSchedulingModel" from default=1 to 2. May help ... or not, but quick and easy to test and set back ...
ThreadSchedulingModel=<0 - 2>
This variable goes in the [Wave] section and controls the interaction of the main audio thread and worker threads on multiprocessor systems when the Use Multiprocessing Engine option is enabled. Depending
on the system, a particular model may result in less glitching and better overall performance. The values are as follows:
0 = Same as previous versions of SONAR.
1 = (default) Better thread balance. Model is more efficient and can provide cycles for other tasks.
2 = Additional worker thread is created. This may result in improvement with Quad processor systems or higher. Not recommended for Dual processor systems.
Thanks for the tip. I didn't notice any real difference when changing the settings. Core 0 is still considerably higher than the other 7. Still can't figure out why this does this.
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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southpaw3473
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Re: CPU Spikes and Weird Behavior
2013/11/08 20:25:42
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Hi all,
I've done everything mentioned in the above posts and I still have the same problem of the first core being nearly 50 higher than the other 7. I am obviously missing something and it's driving me a little nuts. Does anyone else have an inkling of why this is? Thanks again!
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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Splat
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Re: CPU Spikes and Weird Behavior
2013/11/08 21:47:28
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Sorry to ask again, but did you disable Cool and Quiet in the BIOS?
Sell by date at 9000 posts. Do not feed. @48/24 & 128 buffers latency is 367 with offset of 38. Sonar Platinum(64 bit),Win 8.1(64 bit),Saffire Pro 40(Firewire),Mix Control = 3.4,Firewire=VIA,Dell Studio XPS 8100(Intel Core i7 CPU 2.93 Ghz/16 Gb),4 x Seagate ST31500341AS (mirrored),GeForce GTX 460,Yamaha DGX-505 keyboard,Roland A-300PRO,Roland SPD-30 V2,FD-8,Triggera Krigg,Shure SM7B,Yamaha HS5.Maschine Studio+Komplete 9 Ultimate+Kontrol Z1.Addictive Keys,Izotope Nectar elements,Overloud Bundle,Geist.Acronis True Image 2014.
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southpaw3473
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Re: CPU Spikes and Weird Behavior
2013/11/08 22:05:50
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Yeah, I disabled it. No luck.
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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TomHelvey
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Re: CPU Spikes and Weird Behavior
2013/11/08 22:55:40
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Wow! I've been having intermittent spikes and dropouts on my new box so I went through some of the recommendations I found on this thread and everything works really well now. The dropouts are now completely gone even with the lowest latency settings. I was even able to drop my midi buffer to 32ms with no cut outs.
I've got a quad core i7-4770K with 32 gb.
The following worked wonders:
1. Turned off powerstep, C3 states, and Turbo boost
2. Turned off the page file.
Bugs squished, thanks to all for the info!
Just wow!
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Splat
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Re: CPU Spikes and Weird Behavior
2013/11/08 23:20:55
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> Turned off the page file.
I wouldn't recommend this even with a ton of memory, I would leave it to be managed by the operating system. There is however some benefit to move it on the fastest drive/partition. (it used to be one of those things that used to be really important to do but with all this memory floating around it's becoming less and less so).
Sell by date at 9000 posts. Do not feed. @48/24 & 128 buffers latency is 367 with offset of 38. Sonar Platinum(64 bit),Win 8.1(64 bit),Saffire Pro 40(Firewire),Mix Control = 3.4,Firewire=VIA,Dell Studio XPS 8100(Intel Core i7 CPU 2.93 Ghz/16 Gb),4 x Seagate ST31500341AS (mirrored),GeForce GTX 460,Yamaha DGX-505 keyboard,Roland A-300PRO,Roland SPD-30 V2,FD-8,Triggera Krigg,Shure SM7B,Yamaha HS5.Maschine Studio+Komplete 9 Ultimate+Kontrol Z1.Addictive Keys,Izotope Nectar elements,Overloud Bundle,Geist.Acronis True Image 2014.
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gswitz
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Re: CPU Spikes and Weird Behavior
2013/11/09 05:28:49
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Hey, Tom! I'm glad you're getting good performance.
It's never a bad idea to make yourself some notes in case you have an OS Reinstall somewhere in your future... that sort of thing. I'm my own worst enemy when it comes to this stuff. I run a tuner for the mother board and whammo back to square one.
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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mettelus
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Re: CPU Spikes and Weird Behavior
2013/11/09 05:39:42
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southpaw3473
Hi all,
I've done everything mentioned in the above posts and I still have the same problem of the first core being nearly 50 higher than the other 7. I am obviously missing something and it's driving me a little nuts. Does anyone else have an inkling of why this is? Thanks again!
I was trying to find a nice explanation bitflipper gave in a thread a while ago. Even though you *can* run 8 threads through a 4-core processor does not make it "efficient." Some processes need to stay in one thread or they actually process slower (or cannot process at all). Core 0 is by default the "workhorse" of the machine, and is used as such, so should always be higher. Unless it is maxing out on you, it is not an issue. On my machine, Core 0 is often the only core running, and has been that way for 2 1/2 years now. In almost all applications, Core 0 will be double the other threads in my CPU.
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markyzno
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Re: CPU Spikes and Weird Behavior
2013/11/09 06:59:13
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CakeAlexS
> Turned off the page file.
I wouldn't recommend this even with a ton of memory, I would leave it to be managed by the operating system. There is however some benefit to move it on the fastest drive/partition. (it used to be one of those things that used to be really important to do but with all this memory floating around it's becoming less and less so).
Spot on!!!!
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Grem
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Re: CPU Spikes and Weird Behavior
2013/11/09 07:39:13
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I was going to say something like mettelus refers to. Some processes are only single thread. And a few of those are OS related. So add them up and you will see why one core is always higher.
Start Task Manager and just run your PC with other programs going, not Sonar and see what you get.
And I wouldn't turn my page file off either. Sometimes when you want to move huge files and page file is off you might get an error that would never lead you to think of your page file as being the cause of that error. You'll think your OS is bonked!
Grem
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southpaw3473
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Re: CPU Spikes and Weird Behavior
2013/11/09 08:07:31
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Grem
I was going to say something like mettelus refers to. Some processes are only single thread. And a few of those are OS related. So add them up and you will see why one core is always higher.
Start Task Manager and just run your PC with other programs going, not Sonar and see what you get.
And I wouldn't turn my page file off either. Sometimes when you want to move huge files and page file is off you might get an error that would never lead you to think of your page file as being the cause of that error. You'll think your OS is bonked!
Thanks guys for the reassurance that the core 0 spike is normal. I didn't turn off page file. I'll keep an eye on it.
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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Splat
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Re: CPU Spikes and Weird Behavior
2013/11/09 10:44:21
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Sell by date at 9000 posts. Do not feed. @48/24 & 128 buffers latency is 367 with offset of 38. Sonar Platinum(64 bit),Win 8.1(64 bit),Saffire Pro 40(Firewire),Mix Control = 3.4,Firewire=VIA,Dell Studio XPS 8100(Intel Core i7 CPU 2.93 Ghz/16 Gb),4 x Seagate ST31500341AS (mirrored),GeForce GTX 460,Yamaha DGX-505 keyboard,Roland A-300PRO,Roland SPD-30 V2,FD-8,Triggera Krigg,Shure SM7B,Yamaha HS5.Maschine Studio+Komplete 9 Ultimate+Kontrol Z1.Addictive Keys,Izotope Nectar elements,Overloud Bundle,Geist.Acronis True Image 2014.
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southpaw3473
Max Output Level: -75 dBFS
- Total Posts : 782
- Joined: 2008/04/22 16:50:41
- Location: Western MA
- Status: offline
Re: CPU Spikes and Weird Behavior
2013/11/09 10:54:20
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Thankis Alex for the task manager tip! Wicked handy utility!
We'll not risk another frontal assault-that rabbit's dynamite!!!
Tommy Byrnes Sonar Platinum Win 10 Pro x64 AMD FX 8350 Eight-Core 4.00GHz/ ASRock 970 Extreme4/ 16 gigs RAMUA Apollo Firewire/UA 2 Quad Satellite/ Focusrite OctoPre/Makie Onyx1220i Mixer THANK YOU!!!
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