Add warnings against untested GPU segmentation

Author: hinerm

src/main/resources/script_templates/PyImageJ/CellposeStarDistSegmentation.py

@@ -9,8 +9,8 @@
 TensorFlow 2.15 itself requires python 3.11 or earlier.
 
 We use cellpose 3.x because cellpose 4.x is heavily biased towards using their `cpsam`,
-"segment anything" model. This is a very cool model, but it is also huge and performance
-with a CPU is not great. It is also more powerful than needed for this example.
+"segment anything" model. This is a very cool model, but it is also huge and may require GPU use.
+`cpsam` is also more powerful than needed for this example.
 
 Using cellpose 3.x allows us to stick with the light and focused `ctyo` model for segmentation.
 
@@ -51,6 +51,9 @@
 to remove StarDist and upgrade to Cellpose 4.x, which would be used to segment both cytoplasm and
 nuclear channels.
 
+NOTE: Because of the size of the cpsam model used in Cellpose 4.x, they advise against CPU-based segmentation.
+Using `gpu=True` with Cellpose models from the Fiji script editor is untested.
+
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 Known Issues
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