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  #11  
Old 02-18-2023, 11:30 AM
Brandonx1 Brandonx1 is offline
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Default Re: i913900k Users

Sorry for the dumb question.but are you guys running all cores p cores and e cores at the same frequency? Also last time I used pro tools on windows, all the cores where the same. Does pro tools only use the p cores on windows like on macos?
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  #12  
Old 02-18-2023, 01:26 PM
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Default Re: i913900k Users

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Originally Posted by Brandonx1 View Post
Sorry for the dumb question.but are you guys running all cores p cores and e cores at the same frequency? Also last time I used pro tools on windows, all the cores where the same. Does pro tools only use the p cores on windows like on macos?
Not a dumb question; we're all new to this stuff. P-cores are designed to run faster than e-cores. My P-cores are 5.8, and e-cores are 4.6. I don't really know the answer to that question, but it seems the p-cores take care of the main work of processing, while the e-cores do the background mundane stuff. At least, that's my understanding of it.
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  #13  
Old 02-19-2023, 05:11 PM
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Default Re: i913900k Users

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Originally Posted by Brandonx1 View Post
... Does pro tools only use the p cores on windows ...
Dunno. Anybody?
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  #14  
Old 02-19-2023, 08:08 PM
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Default Re: i913900k Users

I'm not really sure on the best way to check.

A quick test with HWmonitor running seems to indicate the E-cores are just as busy as the P-cores in Pro Tools. The static screenshot is an empty desktop running. The PT screenshot is a 300 voice session with 900 instances of UADx API Vision + HEAT on each channel playing back at a 64 sample buffer.
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File Type: jpg CPU Usage Static.jpg (52.7 KB, 0 views)
File Type: jpg CPU Usage PT.jpg (68.5 KB, 0 views)
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  #15  
Old 02-20-2023, 03:07 AM
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Default Re: i913900k Users

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Originally Posted by LDS View Post
I'm not really sure on the best way to check.

A quick test with HWmonitor running seems to indicate the E-cores are just as busy as the P-cores in Pro Tools. The static screenshot is an empty desktop running. The PT screenshot is a 300 voice session with 900 instances of UADx API Vision + HEAT on each channel playing back at a 64 sample buffer.
Hey LDS,

I also ran those tests, and I see activity on all cores. Your CPU usage in PT seems evenly distributed among the cores. Mine isn't. I have that familiar 'cone' in the center with the middle cores taking up most of the usage. The cores at the top and bottom show very little usage. Did you do anything to distribute usage evenly? When you say you are running PT at stock motherboard settings does that mean you've applied the standard turbo boost or is there absolutely no overclocking? Hyperthreading?

BTW I must take back my words about thermals. To start with, my sessions aren't as large as yours. At 5.8GHz I ran a loaded 90-track mix session (buffer 64) smoothly with an occasional peak at 76c. Averagely it was 40-60; pretty good. CPU activity in PT was 12-15%. The action started when I wanted to separate some stems in RX10 (in an empty session). CPU usage didn't seem to go any higher than I'd become used to, but thermals hit 100c several times in the course of that separation with the lowest being 95c. The system didn't actually throttle; the task was completed without breaks or crashes, and temps dropped to 45 the moment the separation was done. To be sure the issue wasn't from PT I ran that same separation in the standalone RX, and temps were very similar to what I'd seen in PT. This is one hell of a processor, extremely capable, but HOT! I'm sure it would have been much worse if not for liquid metal thermal paste and water cooling.

My conclusions:
1. I clearly cannot continue running this cpu at 5.8GHz. It runs super smoothly, but it's toasty with certain tasks. I'm going down to 5.5 so I can lower the v-core since I'm not ready to buy a much more expensive cooling solution. But I might consider this: https://youtu.be/zHXZMtWOVJ4?t=46

2. PT's cpu handling seems to be much better than before (well done Avid!), even though there's still lots of room for improvement in the area of usage distribution among cores.
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Last edited by lesbrunn; 02-20-2023 at 03:17 AM.
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  #16  
Old 02-20-2023, 04:29 AM
LDS LDS is offline
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Default Re: i913900k Users

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Originally Posted by lesbrunn View Post
Hey LDS,

I also ran those tests, and I see activity on all cores. Your CPU usage in PT seems evenly distributed among the cores. Mine isn't. I have that familiar 'cone' in the center with the middle cores taking up most of the usage. The cores at the top and bottom show very little usage. Did you do anything to distribute usage evenly? When you say you are running PT at stock motherboard settings does that mean you've applied the standard turbo boost or is there absolutely no overclocking? Hyperthreading?

BTW I must take back my words about thermals. To start with, my sessions aren't as large as yours. At 5.8GHz I ran a loaded 90-track mix session (buffer 64) smoothly with an occasional peak at 76c. Averagely it was 40-60; pretty good. CPU activity in PT was 12-15%. The action started when I wanted to separate some stems in RX10 (in an empty session). CPU usage didn't seem to go any higher than I'd become used to, but thermals hit 100c several times in the course of that separation with the lowest being 95c. The system didn't actually throttle; the task was completed without breaks or crashes, and temps dropped to 45 the moment the separation was done. To be sure the issue wasn't from PT I ran that same separation in the standalone RX, and temps were very similar to what I'd seen in PT. This is one hell of a processor, extremely capable, but HOT! I'm sure it would have been much worse if not for liquid metal thermal paste and water cooling.

My conclusions:
1. I clearly cannot continue running this cpu at 5.8GHz. It runs super smoothly, but it's toasty with certain tasks. I'm going down to 5.5 so I can lower the v-core since I'm not ready to buy a much more expensive cooling solution. But I might consider this: https://youtu.be/zHXZMtWOVJ4?t=46

2. PT's cpu handling seems to be much better than before (well done Avid!), even though there's still lots of room for improvement in the area of usage distribution among cores.
That test session is very artificial. It is basically just the same plugin preset copied three times onto a single channel, then the channel was duplicated 299 times. That probably accounts for why the CPU usage is so uniform across all the cores. I would almost expect a real-world mix to be a little pyramid-y due to the processing never being uniform.

I'm using an ASrock Z690 Steel Legend motherboard here. There was a BIOS update released 3 or 4 days ago which had a bunch of 13th generation intel microcode updates. Other than loading that new BIOS and hitting restore defaults, the only thing that has been changed in the settings here is setting the memory XMP to Profile 1, and also tweaking down the short duration power limit on the CPU. The default was set to 265 watts, but Intel seem to spec 253 watts. Turbo Boost is set to auto and hyper-
threading is enabled on all P&E cores with the default settings.

These P+E core processors definitely seem to function differently to the previous Xeon or i7 machines I have used. My old Xeon iMac Pro and i7 Macbook Pro would just rev up and stay very hot. This new machine seems like it is constantly on and off the gas pedal. It taps 100 degrees depending on the processing being run, but it never stays there for long at all. From what I have read, AMD Ryzen processors operate in similar ways.

Have you been using the Intel Extreme Tuning Utility at all?
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  #17  
Old 02-20-2023, 04:54 AM
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Default Re: i913900k Users

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Originally Posted by lesbrunn View Post
But I might consider this: https://youtu.be/zHXZMtWOVJ4?t=46


For such a few bucks, I'll probably give it a go myself!
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  #18  
Old 02-20-2023, 07:30 AM
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Default Re: i913900k Users

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For such a few bucks, I'll probably give it a go myself!
Looks interesting, doesn't it? There's another one by Thermalright: https://www.youtube.com/watch?v=iYU1OskbY-Q&t=727s that's much cheaper, but I think I like the Thermal Grizzly.

No, I haven't used the Intel XTU on this build. I tried to use it on my previous build, but I had better success in the BIOS. I hear the latest version is really easy to use and works well with 13th gen.
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  #19  
Old 02-20-2023, 07:38 AM
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Default Re: i913900k Users

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Originally Posted by LDS View Post
I'm using an ASrock Z690 Steel Legend motherboard here. There was a BIOS update released 3 or 4 days ago which had a bunch of 13th generation intel microcode updates. Other than loading that new BIOS and hitting restore defaults, the only thing that has been changed in the settings here is setting the memory XMP to Profile 1, and also tweaking down the short duration power limit on the CPU. The default was set to 265 watts, but Intel seem to spec 253 watts. Turbo Boost is set to auto and hyper-
threading is enabled on all P&E cores with the default settings.
That means speedshift is enabled and the cores will have different frequencies?
Maybe one or two cores would be running at 5.8GHz and the others scaled accordingly?
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  #20  
Old 02-20-2023, 01:01 PM
LDS LDS is offline
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Default Re: i913900k Users

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That means speedshift is enabled and the cores will have different frequencies?
Maybe one or two cores would be running at 5.8GHz and the others scaled accordingly?


Yeah, it looks like all the Intel 'tech' is enabled by default. Speedstep, Turbo Boost, Speed Shift, & Turbo Boost Max 3.0. Intel Velocity Boost Voltage Optimisations is set to auto.
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