cycles accelerator

cycles_accelerator.py

print("CYCLES ACCELERATOR SCRIPT")

import re
import bpy

scene = bpy.context.scene
scene.cycles.device = "GPU"
prefs = bpy.context.preferences
prefs.addons["cycles"].preferences.get_devices()
cprefs = prefs.addons["cycles"].preferences
print("Cycles preferences:", cprefs)

accelerator_types = ["OPTIX", "CUDA", "HIP", "ONEAPI", "OPENCL", "NONE"]
selected_accelerator_type = None
for compute_device_type in accelerator_types:
    try:
        print("> Checking accelerator type:", compute_device_type)
        cprefs.compute_device_type = compute_device_type
        print(" + Accelerator found:", compute_device_type)
        selected_accelerator_type = compute_device_type
        break
    except TypeError:
        print(" - Accelerator unavailable")
        pass

for device in cprefs.devices:
    # these are all the available devices
    print(f"Activating device [{device.type}]:", device, device.name)
    device.use = True