Add func to compute tile width from wallpaper width.

utils/tiling.py

@@ -1,3 +1,4 @@
+import math
 from typing import Optional
 
 import diffusers
@@ -58,3 +59,7 @@ def enable_circular_tiling(targets):
             cl.lora_layer = lambda *x: 0
 
         cl._conv_forward = asymmetric_conv2d_conv_forward.__get__(cl, torch.nn.Conv2d)
+
+
+def compute_input_tile_width_for_desired_output(desired_output):
+    return round((desired_output * 2) // math.sqrt(2))