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Old 6th October 2018, 16:22   #53021  |  Link
Warner306
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Quote:
Originally Posted by Asmodian View Post
The 2080 Ti is a lot faster for madVR.

I see a bit over 40% for 1080p -> 2160p with NGU very high upscaling.
More tests to follow.
That performance is probably inline or slightly better than video games. Such an upgrade makes it easier to stomach the cost of those GPUs when they should have a very long life.
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Old 6th October 2018, 16:39   #53022  |  Link
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don't update to October update, Microsoft pulls Windows 10 October 2018 Update from its Download page due to data loss problem

https://pureinfotech.com/windows-10-...-loss-problem/

https://news.thewindowsclub.com/micr...-update-93457/
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Old 6th October 2018, 17:00   #53023  |  Link
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Video Stuttering After Upgrade

I recently upgraded my video card from GTX 1060 to RTX 2080ti. After the upgrade I bumped up the NGU chroma and upscaling algorithms from low to their highest settings. When playing video now I get stuttering, however the rendering time is relatively low (<20) when compared to the vsync time for the video frame rate, and all queues are full. If I lower the algorithm setting back down to medium or low the stuttering goes away.

If the card wasn't powerful enough to handle to increased NGU algorithm setting wouldn't I see higher render times and/or queues that aren't filling up? Is there anything else that could explain the stuttering caused by increasing the NGU algorithm quality settings? Appreciate any help on figuring this one out.
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Old 6th October 2018, 17:07   #53024  |  Link
mytbyte
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Couldn't find if it was already covered, but tone map options "color tweaks for fire & explosions" and "highlight recovery strength) are ghosted in v0.92.17, no matter what I select. Are these not working poperly or are removed, only not from GUI, or am I missing something?
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Old 6th October 2018, 17:12   #53025  |  Link
aufkrawall
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You supposedly didn't test with a suited test scene.
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Old 6th October 2018, 17:15   #53026  |  Link
mytbyte
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Quote:
Originally Posted by aufkrawall View Post
You supposedly didn't test with a suited test scene.
What would be a suitable test scene?

P.S: OK, just got it, one needs to disable "compromise on tone&gamut mapping in "trade quality for performance..."
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Old 6th October 2018, 17:23   #53027  |  Link
Warner306
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Quote:
Originally Posted by wnholt01 View Post
I recently upgraded my video card from GTX 1060 to RTX 2080ti. After the upgrade I bumped up the NGU chroma and upscaling algorithms from low to their highest settings. When playing video now I get stuttering, however the rendering time is relatively low (<20) when compared to the vsync time for the video frame rate, and all queues are full. If I lower the algorithm setting back down to medium or low the stuttering goes away.

If the card wasn't powerful enough to handle to increased NGU algorithm setting wouldn't I see higher render times and/or queues that aren't filling up? Is there anything else that could explain the stuttering caused by increasing the NGU algorithm quality settings? Appreciate any help on figuring this one out.
Asmodian would have to confirm this behavior with his GTX 2080 Ti. You don't really benefit much from using NGU very high for chroma upscaling in the interim. This bottleneck has been reported by a few others with different graphics cards.

Last edited by Warner306; 6th October 2018 at 17:25.
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Old 6th October 2018, 19:55   #53028  |  Link
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I do not see that with my 2080 Ti, no stuttering even running NGU very high chroma and luma (note I think chroma high is a better option when not testing). I can even turn on all the upscaling refinement options at the same time without any issues. This is with 1080p -> 2160p.
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Old 6th October 2018, 20:00   #53029  |  Link
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Make sure when you upgrade a video card, even if it's the same type (i.e. nVidia), that you clean install the driver.
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Old 6th October 2018, 20:27   #53030  |  Link
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And then set it back to "Adaptive" instead of "Optimal power".
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Old 6th October 2018, 22:08   #53031  |  Link
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Quote:
Originally Posted by Asmodian View Post
I do not see that with my 2080 Ti, no stuttering even running NGU very high chroma and luma (note I think chroma high is a better option when not testing). I can even turn on all the upscaling refinement options at the same time without any issues. This is with 1080p -> 2160p.
Can you test with 720p -> 2160p too?
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Old 7th October 2018, 01:05   #53032  |  Link
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Originally Posted by Asmodian View Post
And then set it back to "Adaptive" instead of "Optimal power".
Thanks just switched it back, but still stuttering unfortunately. Also tried the clean driver installation which fixed some other gaming related problems but not the stuttering.

Does anyone know if Nvidia game overlay or Xbox game bar can cause any issue with MadVR when enabled?
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Old 7th October 2018, 01:15   #53033  |  Link
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You need to look at your clocks. You say the performance is fine when you lower your settings.. I think that's your answer right there. Post your OSD, ideally with both the problematic settings and slighter lower settings that work well also but look at taskman/gpu-Z etc. Asmodian can confirm if your settings for that content yield the same results.. FYI NGU very high can be extremely demanding.

Last edited by ryrynz; 7th October 2018 at 01:19.
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Old 7th October 2018, 05:33   #53034  |  Link
Asmodian
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Quote:
Originally Posted by Betroz View Post
Can you test with 720p -> 2160p too?
I see ~35ms rendering times with 720p -> 2160p at full crazy settings.
chroma: NGU very high
luma: NGU very high -> very high -> SSIM1D LL
chroma: NGU med -> low
Every upscaling refinement option enabled except SuperRes. ED1 dithering, no smooth motion, no artifact removal options, and no trade quality for performance options. With all artifact removal options enabled I start seeing dropped frames and I am just on the edge, but not dropping frames, with only reduce random noise disabled (23.976 fps).

At my normal settings I get ~17.5ms rendering times.

I did this testing at stock settings (1950 MHz), except the power limit has been doubled with a hardware mod. I don't think this has a big impact on madVR but it might have some. madVR also really likes a memory overclock so I get quite a bit better performance with an overclock.

Quote:
Originally Posted by wnholt01 View Post
Does anyone know if Nvidia game overlay or Xbox game bar can cause any issue with MadVR when enabled?
Yes, I know the game bar does cause issues with madVR. It causes issues with many things. I don't know about Nvidia's game overlay but I assume it would also cause issues.

edit: Hmm, I am not sure about the game bar, I was thinking about "game mode".
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Last edited by Asmodian; 7th October 2018 at 05:53.
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Old 7th October 2018, 07:43   #53035  |  Link
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First time I've had my 1060 in the open right whilst playing video and noticed NGU AA very high making the GPU chirp away high is a lot less noticeable than very high.
Wonder if there's any cards that don't do this.. I got a Gigabyte G1 Gaming 6GB.
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Old 7th October 2018, 08:24   #53036  |  Link
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My AMD Radeon HD 7970 chirps on NGU Sharp high but not on NGU Sharp very high
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Old 7th October 2018, 09:03   #53037  |  Link
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Right now I use fully updated Windows 10 x64 1607-14393 LTSB for OS and I used NTLite free demo/edition to cleanly and surgically remove Game Bar + all related bloatware. I have ZERO issues with madVR, playback and games. But 1607 is getting old and 1809 LTSC is out. Has anyone tried it (as a fresh OS install) with madVR? Any issues with reported frame skippage, etc?
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Old 7th October 2018, 12:54   #53038  |  Link
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Updated my main machine to 1809 and have no issues to report with aforementioned 1060 using 416.16 but this is just regarding simple playback (no HDR, no custom resolutions)
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Old 7th October 2018, 14:21   #53039  |  Link
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Quote:
Originally Posted by Thunderbolt8 View Post
as soon as I set highlight recovery strength to anything else other than 'none' my picture turns black & white. does anyone know why?

using madVR 0.92.17 hdrMeasure3 test build (but I already had this problem with earlier versions as well). rest of my setup --> signature
Quote:
Originally Posted by James Freeman View Post
Same here,, happens with 92.15 too.
GTX660, software decoding.

Probably DirectCompute related.
And same here with Measue4 as well (see my signature for details).
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Old 7th October 2018, 16:12   #53040  |  Link
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Can anyone confirm this - using any of the error diffusion ED1 or ED2, gives you often 5-6 ms of spikes in max stats rendering?

Last edited by Siso; 7th October 2018 at 16:17.
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