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Hello!
I have experienced issues with CPU-spikes and found a way to solve this on my computer. I just wanted to tell it here in case it can be a solution to others who have the same issue. I use Windows 10 and have experienced this both in SO3 and SO4:
When I play back a song which causes CPU spikes and open Windows resource monitor, I can see CPU 0 running on 90% load while CPU 1,2 and 3 are barely loaded. I have no idea why, but for some reason turning off fast startup in Windows solves this. The CPU load is now spread even between the cores without uncontrolled spikes. But every time Windows upgrades itself it switches fast startup back on. And every time this happens I have forgotten how to solve it and start troubleshooting from scratch :D
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by garryknight on Sat May 26, 2018 3:14 am
Thanks. Haven't got time to test this out at the moment, but for anyone else wanting to try this, here's a howto:

https://www.windowscentral.com/how-disa ... st-startup

Garry Knight
Studio One 3 Professional
Melodyne Editor 4, NI Komplete 11
Focusrite Scarlett 2i4 audio interface
Windows 10 Professional 64-bit, 16 GB RAM, Core i5
Microsoft Surface Pro 3, Core i7, 8GB RAM, 128 GB SSD
Nektar Impact LX49+, Samson Graphite 25, and Korg microKey 25 MIDI controllers
Novation ZeRO SL MkII mixing control surface
Korg nanoKontrol 2 mixing control surface
Reaper, Logic Pro X, GarageBand
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by garryknight on Sat May 26, 2018 4:07 pm
This also seems to work for me. I was out and about with my Surface Pro laptop today and noticed that it was spiking a fair bit. So I disabled fast startup then shut down and started up again. And, so far, no more spikes. But I'll be keeping an eye on it.

Garry Knight
Studio One 3 Professional
Melodyne Editor 4, NI Komplete 11
Focusrite Scarlett 2i4 audio interface
Windows 10 Professional 64-bit, 16 GB RAM, Core i5
Microsoft Surface Pro 3, Core i7, 8GB RAM, 128 GB SSD
Nektar Impact LX49+, Samson Graphite 25, and Korg microKey 25 MIDI controllers
Novation ZeRO SL MkII mixing control surface
Korg nanoKontrol 2 mixing control surface
Reaper, Logic Pro X, GarageBand
https://soundcloud.com/garryknight
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by nikolaospitloglou on Sat May 26, 2018 6:02 pm
What would be a similar workaround for mac OS X?

Studio One 6 - AMD Ryzen 3950, 32gb ram, Windows 10, UAD 2 octo(x2) - RME HDSPe RayDat, Fireface 802
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by zoothornrollo on Mon May 28, 2018 6:01 pm
this actually works.

drops about 5% CPU.

nice.

Intel i7-7820x, 128gb RAM, 4tb m.2, GTX 1080ti
Windows 10 Pro
RME Babyface Pro
PreSonus Studio One Pro v5
Reaper, Fruityloops
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by olavsflaa on Tue May 29, 2018 3:12 am
frederichodshon1 wrotethis actually works.

drops about 5% CPU.

nice.


Glad to hear that! In my case, this is actually something I need to do to be able to use synths at all. Without this switched off I can have cpu-spikes and crackling sound after loading just one single synth.
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by illuminated on Tue May 29, 2018 9:50 am
I never had issues with this on, however I have already disabled this setting due to a Windows 10 bug that introduced itself in the Anniversary update a while back. Perhaps this has contributed to my system being pretty stable and CPU efficient with S1.

Thanks for reporting.
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by JohnBW on Tue May 29, 2018 10:17 am
Some tips on disabling fast startup: https://www.tenforums.com/tutorials/418 ... -10-a.html

If you disable hibernate, that will automatically disable fast startup, since they are related: https://www.tenforums.com/tutorials/285 ... -10-a.html

Hope this helps...

Studio One Pro v5.5.2, Win10 Pro
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by dogmajo1 on Wed Dec 04, 2019 5:43 pm
One thing that helped me was to go to "device manager" -> "universal Serial Bus Controllers" -> "USB Root Hub / Generic Root Hub" etc -> right click "properties" -> "Power Management" -> UNCHECK "Allow the computer to turn off this device to save power". I am on a windows laptop, so might be different for a desktop pc.

Another thing you could do is to close all "unnecessary" programs except Studio One, reopen the programs until the performance spikes appear again. I did undervolt my laptop and after turning off MSI Afterburner and Throttle Stop the performance spikes disappeared, no problems since then. Hope that helps.
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by AlexJigsaw24 on Fri Feb 12, 2021 7:00 am
Anything similar I can try with Windows 7 pro?

Windows 7 Pro 64bit SP1 | 32GB RAM/Quad Core i7 3.5Ghz
Studio One Pro 3.5.6.46910
UAD-2 OCTO DSP Card
RME Fireface400 Audio Interface
https://linktr.ee/soulintent
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by torbjrnbergman on Thu Aug 04, 2022 4:11 pm
Nah !

Didn't do anything for me !
Still have massive random CPU spikes
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by reggie1979beatz on Thu Aug 04, 2022 4:46 pm
I don't really get CPU spikes hardly ever (see specs below, and my 4770k was the same though obviously a higher CPU load)

The one thing that is an issue for me is if for some reason I have a large CPU load in the first place. It's like Reason 12 in that even though it's not maxed out, it will crackle/pop/spike.

This is an old thread, so I don't know if the "spread" is going to be there, but I just recently got keyed in on turning off "fast startup" so I'll check it out.

Bye......:roll:
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by JohnBW on Thu Aug 04, 2022 5:20 pm
This is an old thread, and CPU spikes can be caused by many things.

I have heard that disabling fast startup in Windows is one of many good suggestions for optimizing your computer for audio. Plus all of the other general suggestions in that regard, along with the obvious need for trimming down your startup tasks. You can find suggestions available if you Google "optimizing your computer for audio".

So I will just add that there are many other things that can cause CPU spikes.

A frequent offender is that many virtual instruments will tend to run in one core, so once that core gets maxed out for whatever reason, such as high polyphony count, etc., you may see a CPU overload, even if you have cores to spare. That is one reason that single core CPU clock speed is important as well.

Another reason can be the use of mastering FX plugins in your mix. Some plugins make use of look ahead buffers, and they do not play well with real-time audio. Try disabling, or temporarily removing plugins to see if you can locate any troublemakers.

Also try increasing the audio buffer size used by your audio device. The lower the buffer size, the larger the load on your CPU.

Studio One Pro v5.5.2, Win10 Pro
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by reggie1979beatz on Thu Aug 04, 2022 6:26 pm
Good suggestions, but I'm kinda taken aback by the "ye old" "increase your buffer" argument. In this day and age, you should be able to run really low buffers and get terrific lack of latency.

I "can" run at 128 instead of 32 but the CPU use difference is largely negligible on this computer. I don't get dropouts/spikes (so far, knock on wood :lol: ) so 32 seems to be fine.

I'd also add that the "first core" issue isn't limited to VI's, but is a systematic inconsistence with much in even todays computer world. And I STRONGLY agree that clock speed is still king, even in 2022. (a bunch of cores isn't necessarily going to do much good too often if your clock speed is like 2.2 GH. )

Bye......:roll:
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by JohnBW on Thu Aug 04, 2022 8:12 pm
reggie1979beatz wroteGood suggestions, but I'm kinda taken aback by the "ye old" "increase your buffer" argument. In this day and age, you should be able to run really low buffers and get terrific lack of latency.

I "can" run at 128 instead of 32 but the CPU use difference is largely negligible on this computer. I don't get dropouts/spikes (so far, knock on wood :lol: ) so 32 seems to be fine.

I'd also add that the "first core" issue isn't limited to VI's, but is a systematic inconsistence with much in even todays computer world. And I STRONGLY agree that clock speed is still king, even in 2022. (a bunch of cores isn't necessarily going to do much good too often if your clock speed is like 2.2 GH. )

I only mentioned the "increase buffers" as a temporary trouble shooting method. Perhaps I should have elaborated. That just buys you more headroom until you can get things sorted out in your setup.

I have noticed a big difference now that I am running a core speed of 4.6 GHz using Intel turbo. As I increase instances of VSTi's , I must obviously account for the added load. I find that buffer sizes up to 256 (around 5 msec) are acceptable for playing VSTi plugins.

Studio One Pro v5.5.2, Win10 Pro
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by gregghart on Thu Aug 04, 2022 8:34 pm
Not to argue with you, but Fast Startup isn't actually the culprit, technically. Fast Startup really is a hybrid hibernation. If you shut down your computer and you have Fast Startup, it writes your temp files and current settings, memory configs, etc., to a file, so that when you start up, rather than going thru the tests, clearing caches, etc., it instead loads that file and returns you to where you left off. Cuts boot time by up to 30 seconds.

The problem with this is sometimes those files bog down memory. So, rather than turn that off, simply REBOOT the computer. This bypasses fast startup.

Of course, turning off Fast Startup would help prevent those files from bogging it down, but simply disabling this isn't going to fix this for everyone as many people (like me) leave their PC on all the time, and just reboot every day or two so Fast Startup doesn't even come into play. It seriously does NOTHING else while the PC is running. It takes no resources. The only reason it LOOKS like it is working for you is because it requires a reboot when you turn it off, so you are basically doing the same thing if you would just reboot the PC without turning that off. Personally I love fast startup on my laptop (which I do turn off) because when I go do a gig with my laptop, it boots right up in 3 seconds (no joke). After every gig, I reboot the laptop, then shut it off. This clears memory and the caches, and then shutting it off afterwards allows Fast Startup to start the laptop up fast for the next gig.

Win11, 12th Gen Intel Core i7-12700K (3.60 GHz), 32GB Ram. Focusrite Scarlett 8i6 3rd Gen. Native Instruments Komplete Kontrol S88 Mark 2, Native Instruments Komplete Kontrol S61 Mark 1, Presonus FaderPort 8.

https://www.midiboy.com

https://gregghart.bandcamp.com
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by JohnBW on Thu Aug 04, 2022 8:55 pm
Wasn't really intending to question or support fast boot, just to bypass that issue on this old thread and move on, and call attention to the fact that there are a lot more relevant factors that can cause CPU spikes.

Studio One Pro v5.5.2, Win10 Pro
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by reggie1979beatz on Fri Aug 05, 2022 11:20 am
The only other thing I can kinda add is that I do see use of more than one core, but according to the S1 performance meter, it doesn't change that much if at all.

Still, allegedly, disabling "fast start" is supposed to help when shutting down. According to the "experts" disabling this allows the shut down to also clear cache and stuff which with fast start on, that didn't happen (unlike restart where this is automatic)

Whether or not this improves anything in performance is debatable as I can see. I have no doubt that this helped the OP way back in the day, but on this computer (pretty fast) it doesn't really seem to do much if anything. And again, which no overclocking or boosting I run a little faster than the original clock speed of 3.9 GH, it's about 4.1 :)

Bye......:roll:
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by DarkLord on Fri Nov 25, 2022 3:05 pm
The original solution worked very well for my system (killing fast start). I'm currently running 997 tracks in Studio One connected to another computer via VEPro, and now my processor is staying about 1/3 of the max CPU power w/o spikes. Thank you for your help!!
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by Lokeyfly on Fri Nov 25, 2022 4:07 pm
DarkLord wroteThe original solution worked very well for my system (killing fast start). I'm currently running 997 tracks in Studio One connected to another computer via VEPro, and now my processor is staying about 1/3 of the max CPU power w/o spikes. Thank you for your help!!

Who helped you?

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