FPS Drop mid mission

[BitMaster]

Am 21.3.2022 um 22:18 schrieb FR4GGL3:

I use a quick Windows Powerplan Switch via the Desktop Context Menue (right Mouse Button). So I can really quick switch between "I have the Power" and "Sleep you all must now". It came as a .reg file - anybody can find it via google.

It helps you to keep your Hardware cool and quiet when you do stuff that also a Tablet could do. Which is like 90% of the time. And when you want to play, all of the power is just a click away.

As I understand you, you only change the Windows Power Plan !? 

That will actually not change any GPU Power Settings.

But you are right, I use a similar thing, my Desktop goes to sleep after 5 minutes and only reboots if needed. When I need it all I just switch the system "+GPU" into their High Performance modes. Tbh, only DCS needs this.

[FR4GGL3]

On 3/27/2022 at 4:05 PM, BitMaster said:

As I understand you, you only change the Windows Power Plan !? 

That will actually not change any GPU Power Settings.

yes, I do changte the Windows Power Plan via context menue at the desktop.

 

and the Windows Power Plan can change the GPU Power Settings if you leave everything untouched:

 

I have set this to "off". And "off" combined with the "normal" power setting in NVCP will cause almost no performance drop as long as my CPU doesn't fall asleep. I can have a stuttering party if I turn on EIST and lower sleep states than C1/C1E (Downside: without C6 powerstate my boost will stop at the regular 4,7 GHz. With C6 enabled it will boost to 4,8 and 4,9 GHz.). But that might be a specific Z390 Gigabyte thing as I haven't read about stuttering complaints on other Z390 Boards.

As far as I have been told, the idea of the NVCP GPU power setting "normal" is that the card should have its full power on "normal". But it will powersafe if it doesn't get enough data feed from the CPU. If it starves because of a low performing CPU, that can cause stutter. This happens often in older, lower demanding games (e.g. dosbox games) that don't demand a lot of cpu and this can lead to ups and downs on the GPU speed which may lead to stutter. To prevent this you can define a program setting in the NVCP and set the GPU power setting to "max performance" for such cases. The downside is that this causes more heat output, more noise and more power draw.

So what I do in such cases is simply change the Windows Power Plan to "High Performance" as in this Power Plan there are some other tweaks. If you look into tools like "PowerSettings.exe", you can see that there are defined reaction or timing ramps for the CPU. These ramps define how fast a CPU will go into boost or go to sleep. The High Performance Power Plan leaves almost no chance to let the CPU fall asleep or let cores get into park states. So you won't have to worry about a starving GPU and this is what keeps the GPU fast - even if you don't touch the GPU Power Settings in the NVCP.

 

You might test this behaviour on your own system. There is not a lot to change so you can easily do a few clicks to give it a try and can revert to your well known settings without a lot of stress.