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gboz

V4 Ultra Water Causes 980Ti P0 to P2 Change

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Don't know if this is a 980Ti thing only but just like in V3 I'm finding that setting the water slider to Ultra causes the P-State to drop from P0 to P2.
The only way to get it back up to P0 is to select a setting lower than Ultra then re-start the sim. In V3 I just had to lower the setting and a restart was not required.
Anyone else seeing this.

gb.

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 Yes! Same here, same gpu. Did point this out in another recent thread but as no one responded I thought it was just a problem for me.

Bob

My comment was

The pref level/state on past drivers also had an issue with using Ultra water. I did a check the other day and got the same result I couldn't confirm this as CPU-Z information on this appears to be greyed out for some reason.

 

bob 

 

 

 

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Not knowing what the P0 vs P2 performance degrade is , can you educate me ?

I dont see that big of a downgrade going from ULTRA to high all-though HIGH is my default setting.

 

Thanks

Michael Moe

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2 hours ago, Michael Moe said:

Not knowing what the P0 vs P2 performance degrade is , can you educate me ?

Found this from nVidia:
http://docs.nvidia.com/gameworks/content/gameworkslibrary/coresdk/nvapi/group__gpupstate.html

"P-States are GPU active/executing performance capability states. They range from P0 to P15, with P0 being the highest performance state, and P15 being the lowest performance state. Each P-State, if available, maps to a performance level. Not all P-States are available on a given system. The definition of each P-States are currently as follow: - P0/P1 - Maximum 3D performance - P2/P3 - Balanced 3D performance-power - P8 - Basic HD video playback - P10 - DVD playback - P12 - Minimum idle power consumption".

Nvidia Inspector will display the current P-State active.

gb.

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