Prevent BatchedBrownianTree crash on startup on AMD

[Thobro]

This solves a common issue reported in #1263, #1185, #1091 and others. A solution is to enable cpu_tree within the class BatchedBrownianTree for AMD products (or at least privateuseone devices, as I'm not sure what kind of other hardware is also of type privateuseone).

[stainz2004]

Ima be honest i can not find where and how i can enable the cpu_tree. Can anyone tell me in which folder/file it is in so i could maybe get fooocus to work finally.
Big thanks

[JAL-code]

Still getting error even though change is made. Path is .\Fooocus\backend\headless\fcbh\k_diffusion\sampling.py. Line 68.

self.cpu_tree = True

Class referenced at: .\Fooocus\modules\patch.py See Line 162.

[Thobro]

Still getting error even though change is made. Path is .\Fooocus\backend\headless\fcbh\k_diffusion\sampling.py. Line 68.

self.cpu_tree = True

Class referenced at: .\Fooocus\modules\patch.py See Line 162.

cpu_tree is probably being set to False at line 70. It should work if you apply my fix. Thus adding:
if w0.device.type == "privateuseone":
self.cpu_tree = True
just below line 72.

You might still run into memory issues, but that's a separate problem.

[lllyasviel]

this should be already fixed