CPU 35% limit problem when using render farm

[impact87]

I’m trying to use a render farm in Houdini using Deadline.

However, when rendering started, the CPU usage did not rise above 35%, resulting in more rendering time.

I am wondering how to solve this symptom.

[zainali]

Hello

Thanks for reaching out. There can be two theories:

1. Either the CPU affinity is not working which I doubt because there are only 24 cores and this works fine until 64 cores.
2. Or the job does not require that much CPU to render and it may be taking some time to load stuff vs time to render.

Tests:

1. To disprove the CPU affinity issues please turn off the CPU affinity override in the Worker settings, retest and share the Worker logs from application logs stored locally on the machine: Logs — Deadline 10.2.1.1 documentation

2. To disprove the load time vs render time, please share the current job report: Controlling Jobs — Deadline 10.2.1.1 documentation
   I will see what time did it take to load and render.

We can also isolate the render from Deadline and render directly on the render node to see if the CPU utilization remains the same or increases. Follow here to isolate the render from Deadline: Troubleshooting — Deadline 10.2.1.1 documentation

[MarcoA]

@impact87 You need to know 12th and 13th Gen intel processor are NOT well supported by windows 10.
That’s due to windows 10 task schreduler, that will ALWAYS put background process only on E-Core, 12 and 13th gen processor NEED windows 11…
You are lucky enought if you don’t BSOD inside win 10 with 12th and 13th gen processeur on windows 10.