diff --git a/tinygrad/lazy.py b/tinygrad/lazy.py
index a135c7306f..773550c05e 100644
--- a/tinygrad/lazy.py
+++ b/tinygrad/lazy.py
@@ -290,9 +290,10 @@ class _Device:
     self.DEFAULT: str = functools.reduce(lambda val, ele: ele if getenv(ele) == 1 else val, self._buffers, None) or self._default_device()
   @functools.lru_cache(maxsize=None)  # this class is a singleton, pylint: disable=method-cache-max-size-none
   def canonicalize(self, device:Optional[str]) -> str: return (device.split(":", 1)[0].upper() + ((":"+device.split(":", 1)[1]) if ':' in device else '')).replace(":0", "") if device is not None else self.DEFAULT
-  def __getitem__(self, x:str) -> Union[Interpreted, Compiled]: return self._get_device(x.split(":")[0].upper())
   @functools.lru_cache(maxsize=None)  # this class is a singleton, pylint: disable=method-cache-max-size-none
-  def _get_device(self, x:str) -> Union[Interpreted, Compiled]: return [cls for cname, cls in inspect.getmembers(importlib.import_module(f'tinygrad.runtime.ops_{x.lower()}')) if (cname.lower() == x.lower() + "buffer") and x in self._buffers][0]
+  def __getitem__(self, x:str) -> Union[Interpreted, Compiled]: 
+    x = x.split(":")[0].upper()
+    return [cls for cname, cls in inspect.getmembers(importlib.import_module(f'tinygrad.runtime.ops_{x.lower()}')) if (cname.lower() == x.lower() + "buffer") and x in self._buffers][0]
   def _default_device(self) -> str:
     for device in ["METAL", "CUDA", "GPU"]:
       try:
diff --git a/tinygrad/shape/symbolic.py b/tinygrad/shape/symbolic.py
index 69b70278d9..36cdf6ae3a 100644
--- a/tinygrad/shape/symbolic.py
+++ b/tinygrad/shape/symbolic.py
@@ -18,8 +18,10 @@ class Node:
     return ops[type(self)](self, ops, ctx)
   @functools.cached_property
   def key(self) -> str: return self.render(ctx="DEBUG")
+  @functools.cached_property
+  def hash(self) -> int: return hash(self.key)
   def __repr__(self): return "<"+self.key+">"
-  def __hash__(self): return hash(self.__repr__())
+  def __hash__(self): return self.hash
   def __eq__(self, other:object) -> bool:
     if not isinstance(other, Node): return NotImplemented
     return self.key == other.key