I0925 19:08:14.185506 17044 blender_python.cpp:194] Debug flags initialized to:
CPU flags:
  AVX2       : True
  AVX        : True
  SSE4.1     : True
  SSE3       : True
  SSE2       : True
  BVH layout : EMBREE
  Split      : False
CUDA flags:
  Adaptive Compile : False
OptiX flags:
  CUDA streams : 1
OpenCL flags:
  Device type    : ALL
  Debug          : False
  Memory limit   : 0
I0925 19:08:14.448518 17044 device_opencl.cpp:48] CLEW initialization succeeded.
I0925 19:08:14.517519 17044 device_cuda.cpp:56] CUEW initialization failed: Error opening the library
Switching to fully guarded memory allocator.
Blender 2.91.0 Alpha
Build: 2020-09-25 23:16:30 Windows Release
argv[0] = C:\Users\Damon\Desktop\blender-2.91.0-83dc97ccc081-windows64\\blender
argv[1] = --debug
argv[2] = --debug-cycles
argv[3] = --python-expr
argv[4] = import bpy; bpy.ops.wm.sysinfo(filepath=r'C:\Users\Damon\AppData\Local\Temp\blender\debug_logs\blender_system_info.txt')
read file 
  Version 280 sub 39 date unknown hash unknown
found bundled python: C:\Users\Damon\Desktop\blender-2.91.0-83dc97ccc081-windows64\2.91\python
Saved session recovery to 'C:\Users\Damon\AppData\Local\Temp\quit.blend'
Writing userprefs: 'C:\Users\Damon\AppData\Roaming\Blender Foundation\Blender\2.91\config\userpref.blend' ok