Disable non blocking.

comfyanonymous · web-flow · commit 6730f3e1a362 · 2024-08-18T14:38:09.000-04:00
It fixed some perf issues but caused other issues that need to be debugged.
diff --git a/comfy/ops.py b/comfy/ops.py
@@ -21,6 +21,7 @@
 
 
 def cast_to(weight, dtype=None, device=None, non_blocking=False):
+    non_blocking = False
     return weight.to(device=device, dtype=dtype, non_blocking=non_blocking)
 
 def cast_to_input(weight, input, non_blocking=False):
