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UHD wrote:DragonicPrime wrote:I just tried it myself and I can't do x3 either with a 4090. I only have DDR4 ram at 3800MHZ, but it doesn't seem to be the problem. On that test video, at 3x interpolation, my 4090 is maxed out at 100% usage. at 2x with the recommended settings, it's at around 70% usage
This is puzzling. 3.8x more power and the GPU load drops to only 70% compared to 90% for the 3070 Ti. If you've applied the tips above and still nothing, then I guess you'll have to compare step by step with those who have managed to interpolate x3 in real time.
Same video file - the LG demo I suggested and encoding to start with. Write how many FPS you have for RIFE interpolation. We will compare the FPS of the encoding first. In the next post I will give further, my ideas and we will see how they will affect the FPS.
Well I don't think the fps I get when encoding will be of much help, since it doesn't make any sense. I'm only getting 18fps for some reason, even though I'm easily able to watch that same video in real time at 2x which means it's 50fps
UHD wrote:Mardon85 wrote:I have 6400mhz Dual Rank 64gb Sticks at netting just under 100Gb/s with a latency of 54Ns. Using MPV player i can't interpolate a 21:9 4k HDR film at 3x (13700k @ 5.6Ghz all core 4.5Ghz E cores).
You've been away from us for a month and a half. Nice to see you Mardon85 again 
NVIDIA GeForce RTX 4090 graphics card and DDR5-6400 memory is an excellent set up to test the capabilities of RIFE. It's a bit puzzling that you can't achieve x3 interpolation, especially since if I understood one of your earlier posts correctly, for x2 interpolation the NVIDIA GeForce RTX 3090 graphics card was completely sufficient.
Mardon85 wrote:BTW I was returning my watercooled 3090 back to stock today before selling on. I thought i'd give this latest version of Rife a go and it does run 4K HDR at 48FPS no issue.
So this isn't limited to 40 series cards. Power draw is low too, around 150w.
https://www.svp-team.com/forum/viewtopi … 686#p81686
Write more about the test parameters:
1 What is your maximum refresh rate of your monitor or TV set? 100Hz? 120Hz?
2 Are you using G-Sync or FreeSync automatic refresh rate change?
3. Do you use the same settings that earl088 used successfully for x3 interpolation?
https://www.svp-team.com/forum/viewtopi … 799#p81799
4. Do you use the "Hardware-accelerated GPU scheduling OFF" setting that aloola suggests for improved performance?
https://www.svp-team.com/forum/viewtopi … 819#p81819
5. Write something more about the 21:9 4k HDR movie you are testing. Is it a 3840x2160 23.976FPS file with black bars at the bottom and top or does it have a different resolution and FPS?
6. Using the file below, can't you interpolate in real time x3?
LG 4K HDR Demo - New York.ts.
File size: 448 MiB
Duration: 1 min 13 sec
Overall bit rate: 51.4 Mbps
HDR format: SMPTE ST 2086, HDR10 compatible
Width: 3 840 pixels
Height: 2 160 pixels
Frame rate: 25.000 FPS.
Color space: YUV
Chroma subsampling: 4:2:0
Bit depth: 10 bits.
Direct link: https://drive.google.com/file/d/1dfR5TT … _bGfEXUvJ/
Source: http://hdr4k.blogspot.com/
At the moment we need to find a way for you to be able to interpolate 4K HDR x3 in real time like others with NVIDIA GeForce RTX 4090 graphics cards.
If that works, then we'll try x4. I've got some new ideas for performance enhancements that haven't come up here yet for now
I just tried it myself and I can't do x3 either with a 4090. I only have DDR4 ram at 3600MHZ, but it doesn't seem to be the problem. On that test video, at 3x interpolation, my 4090 is maxed out at 100% usage. at 2x with the recommended settings, it's at around 70% usage
dawkinscm wrote:earl088 wrote:Trying this out on a 2160p Doctor Strange at x4 FPS and the 4090 struggles though it only shows 70-80% GPU usage.
x3 works perfectly though.
How do I get the Tensor Engine option. I've installed the latest update and it's not there.
Edit: Ignore I found it.
Open SVP. Top left open the drop down menu. Utilities>additional programs and features>add or remove components>scroll all the way down. Second one from the bottom is RIFE/TensorRT(beta). Select it and install
This is pretty much exactly what happens to me when playing a video with Dolby Vision. Haven't had any issues with any other video though
kellykline wrote:DragonicPrime wrote:Chainik wrote:DV just can't show "washed out" colors. It can do either good or totally wrong colors.
The _only_ option for now for the proper DV colors with SVP is SVP's provided mpv build.
And I personally can't see any color difference between RIFE and non-RIFE interpolation here.
If colors are washed out then it's HDR10, not DV.
Not sure what happens for the "hybrid" releases when there're both HDR10 and DV in the same video file 
Ya I think wrong colours is a better way to put it. I tried an HDR10 video and it worked fine though. But with DV, black scenes appear grey for example. When using any other SVP profile that's not RIFE, it works like intended
This new TRT feature doesn't work. RTX 2080 Ti, playing HDR10 4K video. console window pops up and just freezes with [W] [TRT] Using kFASTER_DYNAMIC_SHAPES_0805 preview feature. What gives?
It works fine for me. It's specifically for DV that the colours are messed up. HDR10 works flawlessly for me though
Chainik wrote:DV just can't show "washed out" colors. It can do either good or totally wrong colors.
The _only_ option for now for the proper DV colors with SVP is SVP's provided mpv build.
And I personally can't see any color difference between RIFE and non-RIFE interpolation here.
If colors are washed out then it's HDR10, not DV.
Not sure what happens for the "hybrid" releases when there're both HDR10 and DV in the same video file
Ya I think wrong colours is a better way to put it. I tried an HDR10 video and it worked fine though. But with DV, black scenes appear grey for example. When using any other SVP profile that's not RIFE, it works like intended
Ok so I just tested Rife at 4k with Dolby Vision instead of regular HDR, and it seems that it's not working properly on my system at least. Regular HDR works perfectly, but Dolby Vision seems to get the colours all washed out when turning on Rife. If I use default settings on SVP instead of Rife, it looks fine as well. Any idea on how to fix this?
UHD wrote:Pezede, what size RAM do you have and how much did the RIFE use when interpolating x3 above 4K HDR video file?
DragonicPrime, what size RAM do you have and how much did the RIFE use when interpolating x2 above 4K HDR video file?
I have 32gb of ram. SVP and MPV combined only used around 4.2gb of ram
UHD wrote:DragonicPrime wrote:Chainik wrote:DragonicPrime
try this, will it improve a little bit? (replace in SVP 4\plugins64)
it helped. The LG HDR video now works. so 30fps x2 is now possible
So you are confirming that on your setup you are able to interpolate in real time x2 the file below?
LG 4K HDR Demo - New York.ts.
Recall what CPU you are using and whether the memory frequency is sufficient at 3600 MHz in your case or whether you need 3800 MHz for this test.
Yes I'm confirming that I'm able to watch that video in real time with 2x. My cpu is the ryzen 9 5900X, and I need 3800 MHZ memory to be able to do it. I had to also set the infinity fabric on my cpu manually. When set to auto, it wasn't working
Chainik wrote:DragonicPrime
try this, will it improve a little bit? (replace in SVP 4\plugins64)
it helped. The LG HDR video now works. so 30fps x2 is now possible
grobalt wrote:and read is just one direction .. i would be interested in write -> my single CCD cpu is below 28gb/s
I added memory write speeds to my message. Forgot before
grobalt wrote:DragonicPrime wrote:Chainik wrote:it doesn't matter in this case that others have same video card
it's about system's memory bandwidth
thanks that's all I needed. Overclocked my ram and it's working now
please, can you do an aida memory benchmark with and without overclocking and post the results ?
Memory read test before: 53949 MB/s
Memory read test after: 56719 MB/s
Memory write test before:54087 MB/s
Memory write test after: 57118 MB/s
I just increased the frequency from 3600MHZ to 3800MHZ and kept the same timings
Edit: okay so when going back to my 3800MHZ overclock, I forgot to set theinfinity fabric properly and rife in 4k stopped working again. I set the infinity fabric properly and now it's working. But at 3600MHZ with proper IF, it still wasn't working for me
Edit 2: also seems like that LG HDR video we were testing on before still doesn't work for me. It's probably because it's a 30fps video. Testing with 24fps videos, I can do 2x with HDR at 4k without a single frame drop it seems. 30fps seems to still be too much though
Edit 3: added memory write test benchmarks
Chainik wrote:it doesn't matter in this case that others have same video card
it's about system's memory bandwidth
thanks that's all I needed. Overclocked my ram and it's working now
Chainik wrote:because others have different hardware?
The reason I said that is because others like grobalt have the same hardware as me, but a worse CPU, and it seems to work. So I have to assume that something is wrong with my SVP installation or hardware
Chainik wrote:DragonicPrime
2 identical videos, 1 in SDR the other in HDR, the SDR 4k runs perfectly, HDR lags.
it's still 10-bit from the video decoder and to the point in Vapoursynth script where it got converted to 8-bit...
try MPC-HC + Vapoursynth Filter, and disable P010/P016 right in LAV Video decoder properties
seems to work when doing this. I just don't understand why others were having no problems when using it with MPV on the same videos as me. I've tried reinstalling SVP as well but the issue still persists
Chainik wrote:ALL
FYI, 10-bit color depth needs _twice_ the memory bandwidth compared to 8-bit
HDR doesn't strictly require 10-bit processing, if you play HDR without "allow 10-bit" in SVP then nothing bad will happen
edVL
and you're still capped by the video encoder
Unfortunately, at least in my case, nothing changes and the video just lags for me. I've tried also putting my display in SDR mode or not allowing 10-bit colours, but it seems that as long as the video is HDR, it lags. 2 identical videos, 1 in SDR the other in HDR, the SDR 4k runs perfectly, HDR lags. Not sure why others seem to be able to do it with similar specs as me though
grobalt wrote:maybe check you gpu energy settings, it has just 285Mhz .. is it accelerating correctly when in use ? beside this .. nothing looks odd, maybe a bios update to support the RTX4090 better as the bios is older than the GPU (i dont think this has any impact .. but the rest looks good)
that's just because I took the screenshot while idle. But everything changes accordingly when running SVP. 4K SDR runs like it should. It's just HDR specifically that causes the problem for some reason
grobalt wrote:Maybe memory not configured properly for the CPU as you CPU should be better than mine ? please show aida64 or hwinfo or cpuz .. whatever memory information you have
The memory speed and timings should be fine at this speed I think
Pezede wrote:UHD wrote:DragonicPrime wrote:4k HDR still doens't work in real time. I just updated my previous message as well. 4K SDR seems to work with no problems in real time though. 4K with HDR, I only get around 35-40fps
Pezede, would you please check the above demo in real time 4K HDR and fps, we would have an interesting comparison.
I just ran it on my LG C1:
movie *2 :
movie *3 :
I start seeing dropped frames past 80fps, playback seems perfect up to that point.
80fps :
Movie * 4 is unwatcheable.
I also tried with 4 threads, no difference.
I'm not sure what's wrong with my setup then. When trying to run 4kHDR in real time, my gpu is stuck at around 50% usage with my cpu at around 8%. Changing thread count doens't help. Turning on "recover HDR colours" and limiting it to 8 bit doesn't change anything either. Anyone have any ideas?
grobalt wrote:my PC monitor is just 2k, so i use DSR to check 4k resolution, otherwise mpv is downscaling Windows running in 3840x2160 on 2k display (uggly, but mandatory to check 4k performance with mpv)
Not sure why then. That's what's happening on my 4k TV. Regular 4K runs perfectly at 2x with no frame drops, but HDR causes stutters and low frame rate
grobalt wrote:What alola wrote the last days has just be to wrong .. impossible the results for his 3070ti with the old script.
DragonicPrime is something odd as well.
I can go MPV HDR on and OFF (Try to recover HDR colors) with frame doubling without dropped frames with a 5600x and RTX4090.
Now i need to figure out how to get that stuff integrated into a MadVR Player
The LG Demo File is lagging (about 2900 dropped frames at output for the full clip), 3 Rife Threads. No performance difference HDR on and off setting.
I don't have "try to recover HDR colors" on. What resolution is your display? Because on my 4k TV, i get frame drops with HDR and it doesn't work. On my second monitor which is just 1080p, MPV is downscaling it, so it runs perfectly
UHD wrote:grobalt wrote:will do this soon .. currently generating the engine files for 4k/UHD resolution
If you can please also test this file that I ask DragonicPrime in the above post. I'm very curious, as I'm also planning to buy a 4090 graphics card. If two people succeed, it will be the best confirmation of the capabilities of these highest performance graphics cards.
just make sure you also have a good cpu, because at 4k in real time, my cpu usage is also much higher. With HDR, both cpu and GPU are close to 100%. I have a ryzen 9 5900X
aloola wrote:holy!! I CAN DO 1080p x4 IN REAL-TIME with 3070ti!!!!!!!!!!
btw:also maybe it a bug? every time black bar detection was on, the TRT CMD pop out again.
that sounds about right. At 4x in real time, my 4090 is at around 35-45% usage so 4x for a 3070ti makes sense I think
UHD wrote:DragonicPrime wrote:Just tried the updated instructions. Getting around 50fps at 4k with an RTX 4090 now. Between 170-190fps(it kept going up and down for some reason) at 1080p. These improvements are huge. Thanks for updating the instructions
Could you check if the video below can now be interpolated in real time with RIFE?
Second question: is it possible to preserve the 10 bit colour depth and HDR when interpolating in real time with RIFE the video below?
In other words, could you compare the colours of the video below played back without interpolation and with RIFE interpolation.
LG 4K HDR Demo - New York.ts
File size: 448 MiB
Duration: 1 min 13 sec
Overall bit rate: 51.4 Mbps
HDR format: SMPTE ST 2086, HDR10 compatible
Width: 3 840 pixels
Height: 2 160 pixels
Frame rate: 25.000 FPS
Color space: YUV
Chroma subsampling: 4:2:0
Bit depth: 10 bits
Direct link: https://drive.google.com/file/d/1dfR5TT … _bGfEXUvJ/
Source: http://hdr4k.blogspot.com/
4k HDR still doens't work in real time. I just updated my previous message as well. 4K SDR seems to work with no problems in real time though. 4K with HDR, I only get around 35-40fps
Chainik wrote:GOOD NEWS EVERYONE!
updated instructions
should improve FPS on 4080-and-better (probably 4070/3080 too, dunno), when performance is bound by the system's RAM bandwidth, not GPU power
i.e. for 4K playback
grobalt
> P.S. i ordered new hardware to test .. Ryzen 7700x, DDR5 7200 Memory etc.
cancel your order 
Just tried the updated instructions. Getting around 50fps at 4k with an RTX 4090 now. Between 170-190fps(it kept going up and down for some reason) at 1080p. These improvements are huge. Thanks for updating the instructions.
Edit: Just tested a bit more. 4k at 2x in real time now works for non HDR videos. With HDR at 4k, I only get around 35-40fps, so it is not possible yet.
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