🧑‍💻 Add Warning for torch.compile on Windows.

tiatoolbox/models/architecture/utils.py

@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 import sys
-from typing import NoReturn
 
 import numpy as np
 import torch
@@ -12,13 +11,17 @@
 from tiatoolbox import logger
 
 
-def is_torch_compile_compatible() -> NoReturn:
+def is_torch_compile_compatible() -> bool:
     """Check if the current GPU is compatible with torch-compile.
 
+    Returns:
+        True if current GPU is compatible with torch-compile, False otherwise.
+
     Raises:
         Warning if GPU is not compatible with `torch.compile`.
 
     """
+    gpu_compatibility = True
     if torch.cuda.is_available():  # pragma: no cover
         device_cap = torch.cuda.get_device_capability()
         if device_cap not in ((7, 0), (8, 0), (9, 0)):
@@ -28,13 +31,17 @@ def is_torch_compile_compatible() -> NoReturn:
                 "Speedup numbers may be lower than expected.",
                 stacklevel=2,
             )
+            gpu_compatibility = False
     else:
         logger.warning(
             "No GPU detected or cuda not installed, "
             "torch.compile is only supported on selected NVIDIA GPUs. "
             "Speedup numbers may be lower than expected.",
             stacklevel=2,
         )
+        gpu_compatibility = False
+
+    return gpu_compatibility
 
 
 def compile_model(
@@ -68,12 +75,24 @@ def compile_model(
         return model
 
     # Check if GPU is compatible with torch.compile
-    is_torch_compile_compatible()
+    gpu_compatibility = is_torch_compile_compatible()
+
+    if not gpu_compatibility:
+        return model
+
+    if sys.platform == "win32":  # pragma: no cover
+        msg = (
+            "`torch.compile` is not supported on Windows. Please see "
+            "https://github.com/pytorch/pytorch/issues/122094."
+        )
+        logger.warning(msg=msg)
+        return model
 
     # This check will be removed when torch.compile is supported in Python 3.12+
     if sys.version_info > (3, 12):  # pragma: no cover
+        msg = "torch-compile is currently not supported in Python 3.12+."
         logger.warning(
-            ("torch-compile is currently not supported in Python 3.12+. ",),
+            msg=msg,
         )
         return model