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Old 26th May 2019, 21:41   #56341  |  Link
Asmodian
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Yes, 960x720 has exactly twice the number of pixels that 720x480 does. This does indicate that most of your performance cost is due to chroma upscaling, artifact removal, and/or image enhancements (the things before upscaling). Upscaling is also slower with larger input sizes but it scales with output resolution as well, so it wouldn't be 2x slower.

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Originally Posted by bigboyman View Post
As far as I've seen, 80C is the point at which the transition from 20ms to 60ms occurs. It doesn't really ever go above 85C.
Not sure what the significance of that is but it could be useful info.
This is the source of your performance issues.

Your laptop's cooling is not good enough so your GPU downclocks a lot to keep temps down. Is it too dusty or is a fan broken, or something? Have you checked clock speeds when this happens? You will need to keep temps at 80C or below.
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Old 27th May 2019, 00:41   #56342  |  Link
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Quote:
Originally Posted by Asmodian View Post
...
This is the source of your performance issues.

Your laptop's cooling is not good enough so your GPU downclocks a lot to keep temps down. Is it too dusty or is a fan broken, or something? Have you checked clock speeds when this happens? You will need to keep temps at 80C or below.
I'm trying a laptop cooler but it doesn't do much.
It could be dusty but I'd have to open it and check.

Thing is, nVIDIA website says the max operating speed is around 100C.
Not to mention, even relatively inactive, my GPU still hovers around 80C, so it's not like madVR makes the temp shoot up like crazy. Is the throtelling threshold lower than advertised?
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Old 27th May 2019, 01:34   #56343  |  Link
huhn
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just give us GPU clock speed and we will know if it is throttling.

if you get 89 C at idle your system isn't cooled properly.

laptop usual are not using normal maxwell cards but tweaked far slower version with a similar name and it's unlike they will allow 100 C the GPU may survive that but that doesn't the rest around it.

as far as i know the throttling temp for maxwell was around 80 where it will at least not boost anymore.
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Old 27th May 2019, 01:56   #56344  |  Link
bigboyman
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Quote:
Originally Posted by huhn View Post
just give us GPU clock speed and we will know if it is throttling.

if you get 89 C at idle your system isn't cooled properly.

laptop usual are not using normal maxwell cards but tweaked far slower version with a similar name and it's unlike they will allow 100 C the GPU may survive that but that doesn't the rest around it.

as far as i know the throttling temp for maxwell was around 80 where it will at least not boost anymore.
It goes from about 1200 - 900MHz to 405MHz the instant I open a file on the player (unless it's the first time it got to high temps since boot). Temperature doesn't even seem related to the clock change. It could be 83C before and 78C after and it still does this. It will sit for as long as it feels like it at that clock speed (even after closing the player) before going back.

Last edited by bigboyman; 27th May 2019 at 15:42.
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Old 27th May 2019, 02:14   #56345  |  Link
huhn
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that's how throttling works. as soon as the throttling temp is reach in your case ~80 it will lower the clock to avoid going over that temp.

the normal boost clock of a maxwell GPU is over 1200 mhz.
your system is "killing" itself right now. your system is throttling so hard i doubt the cooler is still working.
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Old 27th May 2019, 03:34   #56346  |  Link
Asmodian
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It is possible for the thermal paste in an old laptop to harden and "crack" off the GPU or cooler. This hurts cooling performance a lot and also shows that really fast throttling behavior because there is no thermal mass for the GPU to heat up before it starts throttling.

Not related to madVR, any 3D load like a game will have the same problem.
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Old 27th May 2019, 06:44   #56347  |  Link
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So i have a weird one that started happening maybe a month ago. Basically when I open a video with a player that is using MadVR, there is a chance that my computer will hard-lock. I cannot for the life of me figure it out. I have tried with both Potplayer and MPC-HC.

I'm running a 3770K and a 980ti. I had the CPU overclocked, but returning to stock seemed to have no effect.


There have been 2 situations where I've noticed it.
  1. I'm opening a video - I never see a picture before it locks, it's always before there is a picture. This is without going fullscreen.
  2. Changing out a 3Dlut.

I'm pretty solidly convinced that it is not a hardware/stability issue. I can game all day long without issues. I have stress tested the CPU with IBT and the GPU with 3dmark stress test and have had absolutely no issues with that or doing anything else. The PC is watercooled and my temps are fine. There are no WHEA errors or any other kind of hints in the event log either.

I have tried all of the different decoders in LAV. I have tried it without LAV installed at all. I have tried several different Nvidia driver versions, using DDU with each install.

I'm convinced it has something to do with MadVR, because I have tried to replicate it using the default renderer and it doesn't happen. It also seems to be completely random. Sometimes I'll have opened several videos before it happens, and then go several more before it happens again. Sometimes it will happen 5 times in a row.

The thing that gets me though is that I had made no changes to anything from before it started to when it started. I was running the same GPU driver, hadn't changed any MadVR settings or any other filter settings. Maybe there was a Windows 10 update that did it? I've been on 1809 for several months.

any help would be appreciated.

edit: also, most of my video is played over a network, so to rule out anything network/harddisk related I tried it with local videos as well and it will still happen.


Anyone have any ideas on this? I still cannot figure it out, and this is the only situation that anything like this happens. My computer is otherwise perfectly stable.

I've tried everything I can think of short of re-installing windows.
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Old 27th May 2019, 07:05   #56348  |  Link
huhn
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try debug mode and look into the log after you reboot. don't except anything from this.
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Old 27th May 2019, 07:17   #56349  |  Link
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Quote:
Originally Posted by ttnuagmada View Post
Anyone have any ideas on this? I still cannot figure it out, and this is the only situation that anything like this happens. My computer is otherwise perfectly stable.

I've tried everything I can think of short of re-installing windows.
Make a note of your madVR settings, and copy any scripts into a text file. Then run the "restore default settings.bat" file found in the madVR folder. Chances are good that the problem will be gone. Add your settings back one at a time until you get the problem again--if you do.
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Old 27th May 2019, 07:24   #56350  |  Link
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Quote:
Originally Posted by jkauff View Post
Make a note of your madVR settings, and copy any scripts into a text file. Then run the "restore default settings.bat" file found in the madVR folder. Chances are good that the problem will be gone. Add your settings back one at a time until you get the problem again--if you do.
I've uninstalled MadVR and reinstalled it, would that not accomplish the same thing?
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Old 27th May 2019, 11:25   #56351  |  Link
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No, there are registry settings also. Restore default settings.
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Old 27th May 2019, 12:53   #56352  |  Link
ttnuagmada
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No dice.
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Old 27th May 2019, 13:05   #56353  |  Link
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Use the debug version. Then you can see what madVR does right before the hang occurs.

Scan your harddrive for bad sectors.
Scan for damaged Windows files.
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Old 27th May 2019, 14:18   #56354  |  Link
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Quote:
Originally Posted by ttnuagmada View Post
Anyone have any ideas on this? I still cannot figure it out, and this is the only situation that anything like this happens. My computer is otherwise perfectly stable.

I've tried everything I can think of short of re-installing windows.
i had a similar issue a couple of times before, maybe not exactly the same though.

before resorting to a full windows rebuild, have you chucked the full monty at it in one go, rather than doing everything bit by bit?, before you do a full rebuild try this all in one go.
  • Remove NVIDIA driver using DDU and reboot.
  • Remove MADVR completely
  • Remove Lav completely.
  • Reboot again
  • reinstall Nvidia driver.
  • Install MPC-BE and run up a movie just to check all is working ok at this point.
  • install LAV
  • Install MADVR in a !!NEW!! location
  • Switch MPC-BE render to MADVR and try it, leave MADVR at stock settings for now.
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Old 27th May 2019, 14:38   #56355  |  Link
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@ttnuagmada have you tried disabling fullscreen exclusive mode? (I think it's enabled in the default madVR settings)
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Old 27th May 2019, 14:50   #56356  |  Link
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Quote:
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@ttnuagmada have you tried disabling fullscreen exclusive mode? (I think it's enabled in the default madVR settings)
Since a few releases, it is disabled by default.
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Old 28th May 2019, 02:57   #56357  |  Link
ttnuagmada
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Originally Posted by el Filou View Post
@ttnuagmada have you tried disabling fullscreen exclusive mode? (I think it's enabled in the default madVR settings)
I have not, but the lockups dont occur at full screen. It happens the second the video is opened in a window. I don't have it set to go fullscreen automatically.

Last edited by ttnuagmada; 28th May 2019 at 03:00.
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Old 28th May 2019, 03:01   #56358  |  Link
ttnuagmada
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Quote:
Originally Posted by clsid View Post
Use the debug version. Then you can see what madVR does right before the hang occurs.

Scan your harddrive for bad sectors.
Scan for damaged Windows files.
i'll try this when i get home.
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Old 28th May 2019, 12:03   #56359  |  Link
njfoses
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Nvidia driver 430.86 released.
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Old 28th May 2019, 12:57   #56360  |  Link
veggav
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Madvr uses the private nvidia api to enable hdr.

Can someone or madshi show the api?
I want to make a script for other things to enable hdr by command line interface.

@Madshi can you post the API, please?
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