avs2pipe

[Aktan]

Originally Posted by Stereodude

I know it can be changed after starting, but x265 spawns more threads to start with because it sees all the logical processors in the system. Restricting it after it starts doesn't fix that. If you start a program correctly with restricted affinity the program only detects those cores allocated to it and spawns less threads as a result. I did this with x264 regularly. I also do it with handbrake.

If it's anything like x264, you can just set the threads param yourself...

[Asmodian]

Good point, does "--pools" or "--numa-pools" not work? It doesn't seem to let you restrict to specific cores, only specific NUMA nodes.

[Stereodude]

Originally Posted by qyot27

The most important question here is 'why are you using avs2pipemod in the first place'? The answer to that will change the solution.

If you're using it simply as a piping tool to get y4m from AviSynth to x265, but both are still 32-bit (or 64-bit), then the solution is to use either libx265 through FFmpeg, or the x265-Yuuki patchset from msg7086 (assuming the build of x265-Yuuki has its LAVF input enabled, and was built against an FFmpeg configured with --enable-avisynth). In those cases, there's no piping, so the affinity should take without any issue.

If you're using it to get 32-bit AviSynth output to input 64-bit x265, then you could try to manually pipe, but insert the affinity command after the pipe, at the beginning of the x265 command. That is, if it allows you to do so.

I'm using it to get the avisynth output into x265 since it can't accept an .avs natively. I'm not crossing 32-bit to 64-bit or anything like that.

Originally Posted by Asmodian

Good point, does "--pools" or "--numa-pools" not work? It doesn't seem to let you restrict to specific cores, only specific NUMA nodes.

I didn't try them. I wanted to avoid having to handle all that manually.

[Kurt.noise]

For those who interested, I updated avs2pipemod in order to include channelmask information from latest avisynth+.

https://github.com/Kurtnoise-zeus/avs2pipemod/releases

[tebasuna51]

Thanks Kurt, I'll test it.

[EDIT]Works fine for me thanks