davec69
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Re: CPU - Core 1 Maxing Out
2016/02/08 16:54:43
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Not sure exactly what this is doing, but on my I7, I set "MixThreadCount" to 6, and Enable set threaded ideal processor to False, and my core #1 dropped from about 75% to about 10%. It's actually lower than core#2 now. Got to do more testing tonight.
OK! Now I'm getting someplace! :) "MixThreadCount" to 4 AND I had to set the Enable set threaded ideal processor to False. the cores are spread-out better, I'm going to see if I can tweak this setting but it's grate as it now!!
Thanks Jim!
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EricDeluxe
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Re: CPU - Core 1 Maxing Out
2016/02/08 18:23:25
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Would this apply to i7 3770K (4 Cores) as well? or is it only 8 cores?
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skitch_84
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Re: CPU - Core 1 Maxing Out
2016/02/08 19:14:41
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I'm one of those users that has to deal with this spiking first core, and I've seen so many others post about it. I'm really glad that someone has found an apparent solution/work-around. How exactly do I access that Configuration File and change the "MixThreadCount" and "Enable Set Threaded Ideal Processor" settings? Is this done from the settings menu in Sonar while it's launched, or do I have to get to it some other way?
Chris Porter www.cportermusic.comListen to my original work on Soundcloud and YouTubeGet my original soundtracks on Bandcamp Sonar Platinum "2017.04", Windows 10 64-bit, ASUS Z170-A, i7 6700K (4.0GHz), 32GB DDR4 RAM, 250GB SSD 850 EVO (OS/Sonar/Plugins), 1TB SSD 850 EVO (Sample Libraries), 3TB WD Black HDD (projects/audio), Noctua NH-D14 Cooling Unit, PreSonus AudioBox USB Interface, M-AUDIO Oxygen49
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gustabo
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Re: CPU - Core 1 Maxing Out
2016/02/08 19:38:31
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Preferences > Audio > Configuration File
Under Properties on the right
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skitch_84
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Re: CPU - Core 1 Maxing Out
2016/02/08 19:39:53
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gustabo
Preferences > Audio > Configuration File
Under Properties on the right
Thank you. I will try this out when I get home from work.
Chris Porter www.cportermusic.comListen to my original work on Soundcloud and YouTubeGet my original soundtracks on Bandcamp Sonar Platinum "2017.04", Windows 10 64-bit, ASUS Z170-A, i7 6700K (4.0GHz), 32GB DDR4 RAM, 250GB SSD 850 EVO (OS/Sonar/Plugins), 1TB SSD 850 EVO (Sample Libraries), 3TB WD Black HDD (projects/audio), Noctua NH-D14 Cooling Unit, PreSonus AudioBox USB Interface, M-AUDIO Oxygen49
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jimkleban
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Re: CPU - Core 1 Maxing Out
2016/02/08 19:52:15
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Eric,
If you have a quad core that does multi threading, you have in essence 8 logical cores. You can tell in the performance window on how many CORE BARS show up.
Jim
The Lamb Laid Down on MIDI www.lldom.com Studio Cat Custom i7 with Thunderbolt (wonderful system built and configured by our own Jim R) Apollo Duo (via TB) UAD Quad UAD Duo WIN 8.1 x64 with 32 GB Ram 4 SSD for programs and sample libraries Splat (latest version)
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AdamGrossmanLG
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Re: CPU - Core 1 Maxing Out
2016/02/08 20:46:49
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Well, I am home and tried this, and while it took down the Core 1 spike, I am now getting nasty distortion and poor playback (even though nothing is spiking) 
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Ludus
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Re: CPU - Core 1 Maxing Out
2016/02/08 20:52:19
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SilverBlueMedallion
Well, I am home and tried this, and while it took down the Core 1 spike, I am now getting nasty distortion and poor playback (even though nothing is spiking)
ASIO drivers? Did you set the "Enable Set Threaded Ideal Processor" settings to false? you may need to try different core numbers to get the best for you cpu. Also you need to consider how much CPU your audio interface needs.
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skitch_84
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Re: CPU - Core 1 Maxing Out
2016/02/08 20:52:48
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The really strange thing about this is that it's a relatively recent occurrence for me. It didn't used to happen at all. I always had a fairly even spread across all my cores according to the CPU Meter in Sonar. However, I rolled back to many of the other versions and tried opening a project in each one of them, and I still got similar spikes no matter what version I was using. I know that this issue wasn't happening before, but since it's still happening no matter what version I roll back to, it makes me think that there's some other issue going on with my system.
Chris Porter www.cportermusic.comListen to my original work on Soundcloud and YouTubeGet my original soundtracks on Bandcamp Sonar Platinum "2017.04", Windows 10 64-bit, ASUS Z170-A, i7 6700K (4.0GHz), 32GB DDR4 RAM, 250GB SSD 850 EVO (OS/Sonar/Plugins), 1TB SSD 850 EVO (Sample Libraries), 3TB WD Black HDD (projects/audio), Noctua NH-D14 Cooling Unit, PreSonus AudioBox USB Interface, M-AUDIO Oxygen49
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Ludus
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Re: CPU - Core 1 Maxing Out
2016/02/08 20:59:52
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skitch_84
The really strange thing about this is that it's a relatively recent occurrence for me. It didn't used to happen at all. I always had a fairly even spread across all my cores according to the CPU Meter in Sonar. However, I rolled back to many of the other versions and tried opening a project in each one of them, and I still got similar spikes no matter what version I was using. I know that this issue wasn't happening before, but since it's still happening no matter what version I roll back to, it makes me think that there's some other issue going on with my system.
Did you think about dialing back win 10 updates or reinstall your audio drivers.? Those updates can sneak up on you.
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skitch_84
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Re: CPU - Core 1 Maxing Out
2016/02/08 21:01:17
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PassiveDrift
skitch_84
The really strange thing about this is that it's a relatively recent occurrence for me. It didn't used to happen at all. I always had a fairly even spread across all my cores according to the CPU Meter in Sonar. However, I rolled back to many of the other versions and tried opening a project in each one of them, and I still got similar spikes no matter what version I was using. I know that this issue wasn't happening before, but since it's still happening no matter what version I roll back to, it makes me think that there's some other issue going on with my system.
Did you think about dialing back win 10 updates or reinstall your audio drivers.? Those updates can sneak up on you.
I wouldn't be surprised if a Windows 10 update changed some configuration for the worse. They seem to happen way too frequently. I use a PreSonus Audiobox USB interface, and I think I have the latest driver for that, but I'll double-check.
Chris Porter www.cportermusic.comListen to my original work on Soundcloud and YouTubeGet my original soundtracks on Bandcamp Sonar Platinum "2017.04", Windows 10 64-bit, ASUS Z170-A, i7 6700K (4.0GHz), 32GB DDR4 RAM, 250GB SSD 850 EVO (OS/Sonar/Plugins), 1TB SSD 850 EVO (Sample Libraries), 3TB WD Black HDD (projects/audio), Noctua NH-D14 Cooling Unit, PreSonus AudioBox USB Interface, M-AUDIO Oxygen49
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AdamGrossmanLG
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Re: CPU - Core 1 Maxing Out
2016/02/08 22:11:11
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PassiveDrift
SilverBlueMedallion
Well, I am home and tried this, and while it took down the Core 1 spike, I am now getting nasty distortion and poor playback (even though nothing is spiking)
ASIO drivers?
Did you set the "Enable Set Threaded Ideal Processor" settings to false?
you may need to try different core numbers to get the best for you cpu.
Also you need to consider how much CPU your audio interface needs.
ASIO drivers is set to 1024 Samples No matter how many cores I put in, it chokes up in the same spot. I did change "Enable Set Threaded Ideal Processor" settings to false.
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AdamGrossmanLG
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Re: CPU - Core 1 Maxing Out
2016/02/08 22:14:07
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oohhh when I set my ASIO driver to 4096 Samples everything is groovy, but of course I have latency on my keyboard now :(
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dcumpian
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Re: CPU - Core 1 Maxing Out
2016/02/09 08:42:01
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☄ Helpfulby arlen2133 2016/02/09 12:56:02
One thing that I've found is that if you are using a multi-channel synth, like Omnisphere or Kontakt, you can spread the load by simply adding another instance and not loading up a single instance too much. While a single instance can only run on one core, multiple instances can run on different cores. Don't go too crazy though, there is a point of diminishing returns...
Now, if the problem synth is just a CPU hog, see if it has a "lite" mode. For tracking, this is usually good enough and you can bounce the tracks using high resolution offline mode.
Regards,
Dan
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Guitarmech111
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Re: CPU - Core 1 Maxing Out
2016/02/09 08:59:21
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SilverBlueMedallion
oohhh when I set my ASIO driver to 4096 Samples everything is groovy, but of course I have latency on my keyboard now :(
4096 is way too high. I have 256 and no latency. There are some nice tips in this thread. I am gonna try to spread the load across my 8 core AMD 8370. It is set to 4.4ghz and is really smoking, but that first core is always 50%+ above the rest.
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EricDeluxe
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Re: CPU - Core 1 Maxing Out
2016/02/09 09:23:55
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jimkleban
Eric,
If you have a quad core that does multi threading, you have in essence 8 logical cores. You can tell in the performance window on how many CORE BARS show up.
Jim
Thanks Jim! I got 4 bars in the Performance window.
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jimkleban
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Re: CPU - Core 1 Maxing Out
2016/02/09 09:32:59
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I am not sure but I think that CORE 1 being higher than the rest all the time might be representative of the resource contention of the OS. Think about all the work the OS has to do in the background while you work in the DAW. Manage the video windows and the audio streams between SONAR and your audio interface (be it, USB or FW over or not TB, etc). I don't know if this is correct but that's my theory. I do know that limiting the cores that SONAR uses freed my machine from this resource grip and smoothed out using SONAR. Like I said, with my new DAW machine with a faster CPU and 12 threads, I have since turned the mix thread parm back to ZERO any my core 1 does show more use than the other cores. When I check task manager with SONAR is running, my CPU usage shows a high of 9% and I do use a ton of PLUG INS and VSTi's in my projects. So, the higher CPU 1 is not an issue on this machine. The only time this becomes an issue is when I am tracking in real time and latency. I have little choice but to turn off the FX bins and lower my latency to do this. Perhaps I just talked myself into trying to set the MIX THREAD parm to 10 or something and see if tracking with lower latency improves? I will report back after I try this. Jim PS: I tried the above with my new DAW and I didn't see an improvement while tracking. To have no GLITCHES the lowest setting of latency was 128 without glitches, the same as it is without changing the MIX THREAD parm.
post edited by jimkleban - 2016/02/09 10:31:54
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stxx
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Re: CPU - Core 1 Maxing Out
2016/02/09 11:02:31
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THANK YOU !!!!!!!!!!!!!!!!!! THIS WAS AN AWESOME TIP!!!!!!! MY SYSTEM WORKS BETTER THAN EVER
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thornton
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Re: CPU - Core 1 Maxing Out
2016/02/09 11:56:45
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I have to say this is one the most beneficial threads in awhile. I have 6 core amd fx 6200 380ghz and I changed my MTC TO 5 AND FALSE man what a difference in the usage and spread on the cores.
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Ludus
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Re: CPU - Core 1 Maxing Out
2016/02/09 12:37:35
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SilverBlueMedallion
oohhh when I set my ASIO driver to 4096 Samples everything is groovy, but of course I have latency on my keyboard now :(
Hay, I have found that sometimes I have to reset the buffers depending on what I'm working on. it all comes together in the end. So I guess don't be afraid to configure Splat as needed. :) Peace!
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Paul P
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Re: CPU - Core 1 Maxing Out
2016/02/09 12:38:31
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My system must be blessed as my cores are almost always equally loaded. I don't have any projects of any size of my own, so I just loaded the Sonar factory projects (which aren't huge either). With Cori Yarchin's Floating, my 8 virtual cores are almost exactly even and rise and fall together. Core 1 may be a hair above the others, but it's also sometimes lower. They all hover around maybe 10%, rising at bit on certain passages to no more than 20%. What I find interesting is that the load on the cores is as much, and even higher, with playback paused (still constant across cores) than in play where the load rises and falls. [EDIT : with the 4 synths unfrozen, core 1 rises a bit above the others, maybe 1/4 more than the others.] Playing "Javier Colon" (all unfrozen), core one is also a bit higher than the others. 2-8 are evenly loaded. I have wifi on and Norton in the background so I question the idea that Windows itself (win 7 at least) places a greater load on core 1. I looks like soft synths are what puts demands on core 1.
post edited by Paul P - 2016/02/09 12:51:03
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Ludus
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Re: CPU - Core 1 Maxing Out
2016/02/09 12:51:02
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Paul P
My system must be blessed as my cores are almost always equally loaded. I don't have any projects of any size of my own, so I just loaded the Sonar factory projects (which aren't huge either). With Cori Yarchin's Floating, my 8 virtual cores are almost exactly even and rise and fall together. Core 1 may be a hair above the others, but it's also sometimes lower. They all hover around maybe 10% rising at bit on certain passages to no more than 20%.
What I find interesting is that the load on the cores is as much, and even higher, with playback paused (still constant across cores) than in play where the load rises and falls.
Playing "Javier Colon", core one is a bit higher than the others for some reason. 2-8 are evenly loaded.
I have wifi on and Norton in the background so I question the idea that Windows itself (win 7 at least) places a greater load on core 1.
Hi Paul, Do you use AD2?
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Paul P
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Re: CPU - Core 1 Maxing Out
2016/02/09 12:59:17
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PassiveDrift
Do you use AD2?
The Javier Colon demo uses AD1 and the load wasn't extreme. But : I just loaded one of my (daughter's) songs to which I added AD2 and now core 1 rises to around 50%, way above the others (I'd never noticed). Freezing it brings core 1 down, but it still remains a bit above the others. I guess the Cori Yarchin demo is so even partly because the drums are all audio tracks. So AD2 could benefit from sharing its load across cores.
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Ludus
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Re: CPU - Core 1 Maxing Out
2016/02/09 13:07:33
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Paul P
PassiveDrift
Do you use AD2?
The Javier Colon demo uses AD1 and the load wasn't extreme. But : I just loaded one of my (daughter's) songs to which I added AD2 and now core 1 rises to around 50%, way above the others (I'd never noticed). Freezing it brings core 1 down, but it still remains a bit above the others. I guess the Cori Yarchin demo is so even partly because the drums are all audio tracks.
So AD2 could benefit from sharing its load across cores.
yeah AD2 is my main problem, but ok now with this core spread. Maybe XLN could look into that. Thanks for the verification :)
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Jyri T.
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Re: CPU - Core 1 Maxing Out
2016/02/11 00:48:20
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PassiveDrift
Jyri T.
I, too, have this problem. The worst culprits seem to be the Slate Digital virtual emulation plugins and some DMG Audio ones.
I have tried all the tricks in the book (including those mentioned in this thread) but no solution yet.
Are you talking about the The Slate Virtual Console Collection? I tested that today on 12 tracks plus on the bus, It worked fine BUT I have the 64 bit upgrade. The upgrade was free but I had to ask Slate for it. I don't know if it's still a free upgrade.
Never mind. This was an IUIQ (insufficient user IQ) error. I had accidentally limited my CPU to max. 5% in the power management profile settings. Although the first core (actually thread) DOES hit higher than others, it's still perfectly usable after changing the power setting... Sigh... I'm a good candidate for the Sonar Forum Idiot Of The Month prize.  PS. The first CPU spiking seems to be less of a problem with the two latest Sonar updates, especially with Manchester. At least with brand new projects.
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skitch_84
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Re: CPU - Core 1 Maxing Out
2016/02/11 01:59:46
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I set my "MixThreadCount" to 4 and set the Enable set threaded ideal processor to "False". Now the activity in the CPU Meter is spread out pretty evenly across all the cores (eight showing for me). I had been dealing with the spiking first core for months. I'm so happy I found this fix. Now, can the bakers explain why it was happening in the first place? And why it never used to happen but now does to some us?
post edited by skitch_84 - 2016/02/11 04:03:26
Chris Porter www.cportermusic.comListen to my original work on Soundcloud and YouTubeGet my original soundtracks on Bandcamp Sonar Platinum "2017.04", Windows 10 64-bit, ASUS Z170-A, i7 6700K (4.0GHz), 32GB DDR4 RAM, 250GB SSD 850 EVO (OS/Sonar/Plugins), 1TB SSD 850 EVO (Sample Libraries), 3TB WD Black HDD (projects/audio), Noctua NH-D14 Cooling Unit, PreSonus AudioBox USB Interface, M-AUDIO Oxygen49
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mettelus
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Re: CPU - Core 1 Maxing Out
2016/02/11 03:03:06
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I am curious to try this experiment now, and also wondering if this OS specific.
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Kylotan
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Re: CPU - Core 1 Maxing Out
2016/02/11 06:23:57
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It might be that there's some error in the logic that estimates how to distribute the load, and that Sonar wrongly puts something on the busy core when it would have been better on a different core.
Or, it could even be the other way - that Sonar is avoiding other cores because some background processes are using them, making them less suitable for real-time audio.
Sonar Platinum (Newburyport) / Win 8.1 64bit / Focusrite Scarlett 6i6 / Absynth / Kontakt / Play / Superior Drummer 2 / ESP LTD guitar / etc Twilight's Embrace - gothic/death metal | Other works - instrumental/soundtracks
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Kylotan
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Re: CPU - Core 1 Maxing Out
2016/02/11 06:25:17
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It would also be interesting to see if, when you guys have solved a problem by limiting the thread count, whether that (a) gives you a benefit across all your projects, including those with different plugins, and (b) whether that still gives you a benefit at higher loads - eg. 2, 3, or more instances of AD2.
Sonar Platinum (Newburyport) / Win 8.1 64bit / Focusrite Scarlett 6i6 / Absynth / Kontakt / Play / Superior Drummer 2 / ESP LTD guitar / etc Twilight's Embrace - gothic/death metal | Other works - instrumental/soundtracks
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Afrodrum
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Re: CPU - Core 1 Maxing Out
2016/04/29 10:08:16
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Thanks everybody for the input, this was very useful, I have been struggling with core "one" or "zero" maxing out even on plugin modest projects with my 12 core super duper i7. So I played with "MixThreadCount" and Enable Threaded Ideal processor set to "False" and core usage is much more even now. But I feel uncomfortable having no clue what I was doing. Can anybody explain what are those parameters?
Windows 10/64, Intel i7 Xeon X6575 3,07GHz, 24Gb RAM, chipset: Intel X58 Express, Kingston SSD 240Gb, Sonar Platinum ∞, Edirol UA-25. ( Some extra VSTs: PSP almost all/ IK - AT4, ST3, / AAS - all/ TH3 full/ +10dB/ Melodyne Editor). EVE sc205 monitors, Defil Kosmos guitar, blue lava lamp, ashtray. And there is some great music you may find at: https://soundcloud.com/pawel-jan-1
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