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Input Lag in NVIDIA Drivers - Page 2

post #11 of 97
In the other screenshot it's a 1920x1080 screen running at 70 Hz, so it's probably not a 1440 panel he's using, just some random screenshot he googled to show how it that screen looked like in the past for older NVidia drivers.

Do you guys really not feel a difference? I feel it's pretty pronounced but I can't prove it. How would I go about measuring it? The only thing I can think of is trying to use QuakeWorld or Quake2 which can run with their software client and bypass all 3D stuff of the graphics card and see if that somehow feels more snappy than with OpenGL client.
post #12 of 97
Hmm I dunno how to test, I don't have my old 570gtx anymore. The way OP is describing, we can't move forward technologically on Nvidia side without accepting input lag. I doubt Nvidia would pay any attention to this unless reviewers started giving them bad ratings for it.

I'm not really willing to play a super demanding modern day game on a 400-500 series card with crappy FPS and low graphics settings, just to get slightly lower input lag. Besides, I play quake live and CS:go pretty well on my 680 on 3xx driver... I don't really notice a problem
    
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post #13 of 97
why would you turn of thread optimaztion having it on or auto makes certain games that use single core run better I belive
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post #14 of 97
Quote:
Originally Posted by RegalX View Post

why would you turn of thread optimaztion having it auto makes certain games that use single core run better I believe
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post #15 of 97
yo roach I did everything you said, the lowest value is still 23 with an average of 43 most of the time. any other ideas? I have a gtx660ti with lightboost via CRU.exe method applied, should I try an older driver? my current is the 314.7 one.

ps: I disabled everything except HPET cuz disabling that causes frame instability for me. it does indeed feel better mouse movement wise but im not gonna trade it for stability (i.e. in quake based games you need 125 fps constantly, but with HPET off it will float around 110-125 all the time, even though I could manage much higher fps steady before).
post #16 of 97
Poor old Roach, you've been complaining about this for a long, long time.
Quote:
Originally Posted by r0ach View Post

The last Nvidia driver released with between zero to completely unnoticeable input lag was 186.82 during the 280 GTX days.

186.82 was a bit more recent than the 'GTX 280 days'.

Not so long ago I had a GTX 285 running on 181.22, and I did notice an improvement but not in latency. If anything I swear the frametimes were better. I was testing for different issues though, and not really focused on latency. I was trying to figure out why Triple Buffered V-Sync is so stuttery these days. I did try without any V-Sync or TB to see how bad tearing was.

I'm still a bit confused by the change they made to the scaling options in Nvidia CP.

And by the way, wasn't there something about disabling HPET in the BIOS not actually changing the DPC latency, but rather the way the DPCLatencyChecker software detects it (i. makes the software take less accurate readings). And there were many people claiming that that particular DPC checker software shouldn't be used as it's outdated and inaccurate in some way.
Edited by Oubadah - 8/11/13 at 5:49am
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post #17 of 97
480 been going for strong almost 4 years, never had input lag when appropriate frame rate is achieved.

On the other hand, dual 7770's needed Radeon Pro to remove the large frame differences, which causes games to be rendered too slow ( multiplayer was botched)

GTX 780's are really responsive in regards to frame times and input lag, no issues since having them.

I am guessing it will be the same when i get a new single GPU for the 2500k.
Edited by amd655 - 8/11/13 at 8:23am
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post #18 of 97
Quote:
Originally Posted by Scorpion667 View Post

So, you're basically telling us to go buy 580gtx's? What are you using to measure input lag for comparison purposes?
Quote:
Originally Posted by Scorpion667 View Post

I'm not really willing to play a super demanding modern day game on a 400-500 series card with crappy FPS and low graphics settings...

Where do you get the GTX 580 idea from? The card he's specifically referencing is the GTX 280, and his 'gold standard' driver is from long before Fermi.

I don't find the lag in post-186.82 drivers to be significantly crippling, but then my days of ultra-low latency gaming are over. I use V-Sync now, as I see tearing and frame variance to be a much greater issue, and I'm willing to put up with less-than-perfect latency. I do moderate it though, by using a very low latency monitor with V-Sync at 120Hz, as opposed to 60Hz where it introduces twice the lag.

Also, Roach, you don't say a lot about operating systems. Have you done any testing on XP? Someone on another forum said the following:
Quote:
With Windows 7 (assuming he meant Vista) Microsoft introduced DX10 and a new driver architecture for graphics to improve isolation as the GPUs were responsible for most crashes of XP. That new architecture added some latency with the context queue and the user space driver. In theory its 48ms of additional latency for a context queue compared to XP.

Edited by Oubadah - 8/11/13 at 2:48pm
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post #19 of 97
Regarding display and GPU scaling settings, last time I check, I did feel a difference on native resolution between the two. GPU scaling felt slower than display scaling. I was using 295.73 with GTX 560 Ti. Too lazy to check with the latest drivers right now.
Edited by Xanatos - 8/28/13 at 9:53am
post #20 of 97
Can somebody say something about 0 pre-rendered frames in the past vs 1 pre-rendered frames now and why they removed it?
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