Bought new 12700K CPU bit Hybrid only utilizes 20 percent of it

[4K@60FPS]

VsPipe seems to use up all of the RAM memory which always stands at 99 percent. I only have 8GB of DDR5 but Windows 11 uses up nearly 5 GB of it so I'm thinking it might be RAM bottleneck when Im doing 4K conversion.

[Selur]

Okay, 8GB of RAM was never something I would have considered, since I think even on normal Office machines using below 8 GB is just foolish.
So yes, 4k requires ~4 times the ressource 2k does, so RAM really could be the issue here.
That said, you can try whether Limiting the cache and thread count (Filtering->Vapoursynth->Misc->Script) helps, but 8GB is not much. (I'm running even low with 32GB on 2k filtering&co. )

Cu Selur

[4K@60FPS]

Thanks for reply.

 So I limited cache to 2000MB and thread count to 10 and now I get nearly 7-8 FPS being processed (instead of just 3 before) - so its a big gain I think.

[Selur]

I would also recommend to try limiting the thread count to 1 and see how it works.
But happy that is cleared up.

Cu Selur

Ps.: SVP on 4k content uses here around 5.6-6.2GB so yes, 2GB free isn not really enough.

[Toltek]

@4K@60FPS:

also when converting 4K the whole PC becomes very laggy.

Hmm,... system should not get laggy, since Hybrid usualy calls everything with 'idle' priority.


Cu Selur

Hi Selur,

I am having a similar problem on i5-12600k with low CPU usage and I figured out at least in my case it is because windows decides to run x264 on 4 efficiency cores only, not touching the remaining 12. It is definitely win10 issue, as previous comment mentioned it goes away in win11. As soon as I manually change the priority for x264.exe to normal or above normal, all 16 cores are utilized and processing speeds up several times.  So my question is: is it possible to configure hybrid to call x264 with 'normal' priority instead of 'idle' during start so I don't have to manually change priority, especially on batch processing? Thanks

[Selur]

Hybrid only allows to overwrite the genera niceness of all processes called.
Hybrid has an undocumented option to change the default miceness through a misc.ini file.

[General]
niceness=XXX

XXX:
-19 = idle
0 = normal
19 = above normal
49 = high
99 = realtime
be aware that this is totally untested and I would not recommend to use 'realtime'.
(only added it years ago to do some testing, but the code is still there and should work)

Cu Selur

[Toltek]

Hybrid only allows to overwrite the genera niceness of all processes called.
Hybrid has an undocumented option to change the default miceness through a misc.ini file.

[General]
niceness=XXX

XXX:
-19 = idle
0 = normal
19 = above normal
49 = high
99 = realtime
be aware that this is totally untested and I would not recommend to use 'realtime'.
(only added it years ago to do some testing, but the code is still there and should work)

Cu Selur

Thanks a lot, Selur! It works exactly as expected: at 0 all 16 threads are utilized instead of 4 E-cores only with 60-70% on each thread and overall frame rate increase of 400-500%, no scripts, just x264. at 19 CPU load goes to 80-90% with only slight increase, maybe another 5%, so I'll just use 0

[Selur]

Happy that helped you.

Cu Selur

[murriato]

Hello, good afternoon, Mr. Selur, could you tell me where the file is to change it to 0=normal?

Thanks 

[Selur]

You need to create a misc.ini file in one of the allowed locations.
Read [INFO] *hidden* Hybrid options,... about default settings paths and misc.ini.

Cu Selur