MPS support (#5)

* MPS support

* oops, added issue tracker.

* Delete .beads/issues.jsonl

src/heretic/main.py

@@ -88,6 +88,8 @@ def run():
         print(f"MUSA type: [bold]{torch.musa.get_device_name()}[/]")
     elif is_npu_available():
         print(f"CANN version: [bold]{torch.version.cann}[/]")
+    elif torch.backends.mps.is_available():
+        print(f"GPU type: [bold]Apple Metal (MPS)[/]")
     else:
         print(
             "[bold yellow]No GPU or other accelerator detected. Operations will be slow.[/]"

src/heretic/utils.py

@@ -58,6 +58,8 @@ def empty_cache():
         torch.sdaa.empty_cache()
     elif is_musa_available():
         torch.musa.empty_cache()
+    elif torch.backends.mps.is_available():
+        torch.mps.empty_cache()
 
     gc.collect()