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Nvidia driver 460.79 creates huge CPU latency

Soldato
Joined
6 May 2009
Posts
18,254
I updated from the 445.87 drivers which i've been using for some time without any problems.
Over the 6-12 months i've tried numerous other drivers and always restore my machine back to these

Cyberpunk game ready drivers are 460.79 so decided to give them a try

In Warzone and Modern Warfare, they increase CPU Time from 2 / 3ms to 10 / 11ms.
The FPS sis the same (capped at 90fps) but something doesnt feel right and feels no where near as fluid.

GPU Time stays the same, around 8ms

System

Ryzen 5800X, PBO auto
EVGA 2080Ti @2010/7800
32GB DDR 4 3800Mhz / CAS14


Why would GPU drivers create CPU latency?
 
Man of Honour
Joined
13 Oct 2006
Posts
83,237
GPU drivers are one of the most real time intensive parts of the system and often where things like unstable overclocks or failing RAM manifest themselves despite not actually being a problem with the GPU.
 
Soldato
OP
Joined
6 May 2009
Posts
18,254
GPU drivers are one of the most real time intensive parts of the system and often where things like unstable overclocks or failing RAM manifest themselves despite not actually being a problem with the GPU.
I doubt I have unstable overclocks. RAM I have recently stability tested for hours with TestMem5 v0.12 [email protected] CPU with AIDA64 overnight, same with Prime95 and many runs of Cinebench
GPU has been fine game and benchmark wise for over a year (other than trying new Nvidia drivers)
The only issue here seems to be the newer driver. Someone else mentioned they noticed similar
 
Man of Honour
Joined
13 Oct 2006
Posts
83,237
Wasn't implying the latency was due to instability - just a bit of a side note. Although RAM not being entirely happy even if it tests stable can sometimes result in high latency.
 
Associate
Joined
25 Aug 2005
Posts
505
There's an extra option now on the colour tab for accurate vs reference colour. Does the problem go away if you change it?
 
Soldato
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Location
The TARDIS, Wakefield, UK
Soldato
OP
Joined
6 May 2009
Posts
18,254
Yea..... i'll be giving these a miss then. thanks for the heads up.
I wouldnt give them a miss, just take a clone / system backup before using them. Takes me ~2 mins to revert my OS so doesnt matter if they work or not.
Never know, they could work ok for you :)
 
Soldato
OP
Joined
6 May 2009
Posts
18,254
460.89 also do the same. I have tried different low latency modes and still the CPU time is 11ms. Back to my system restore and 445.87 drivers again
 
Associate
Joined
19 Sep 2009
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2,317
Location
Riedquat system
I'm getting about 7ms CPU time in Warzone with Cyberpunk drivers, looks like update is out - do you get lower with older drivers still?

Edit: Should add that above is with a 141 frame cap and is more like 5/6ms if I turn the cap off.

If you are capping at 90 then the CPU time would reflect that cap which looks about right to me :)
 
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