From f40b69968ad9bbb8300b451640a82e1ac83aa7ba Mon Sep 17 00:00:00 2001
From: J08nY
Date: Mon, 24 Jul 2023 18:41:32 +0200
Subject: Tiny performance improvements.

---
 pyecsca/ec/formula.py | 8 ++++----
 pyecsca/ec/mod.py     | 2 +-
 pyecsca/ec/op.py      | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/pyecsca/ec/formula.py b/pyecsca/ec/formula.py
index 317788b..58978a7 100644
--- a/pyecsca/ec/formula.py
+++ b/pyecsca/ec/formula.py
@@ -375,15 +375,15 @@ class EFDFormula(Formula):
                 )
                 self.code.append(CodeOp(code_module))
 
-    @property
+    @cached_property
     def input_index(self):
         return 1
 
-    @property
+    @cached_property
     def output_index(self):
         return max(self.num_inputs + 1, 3)
 
-    @property
+    @cached_property
     def inputs(self):
         return {
             var + str(i)
@@ -392,7 +392,7 @@ class EFDFormula(Formula):
             )
         }
 
-    @property
+    @cached_property
     def outputs(self):
         return {
             var + str(i)
diff --git a/pyecsca/ec/mod.py b/pyecsca/ec/mod.py
index a43db53..a974462 100644
--- a/pyecsca/ec/mod.py
+++ b/pyecsca/ec/mod.py
@@ -114,7 +114,7 @@ def miller_rabin(n: int, rounds: int = 50) -> bool:
 def _check(func):
     @wraps(func)
     def method(self, other):
-        if type(self) is not type(other):
+        if self.__class__ is not type(other):
             other = self.__class__(other, self.n)
         elif self.n != other.n:
             raise ValueError
diff --git a/pyecsca/ec/op.py b/pyecsca/ec/op.py
index b83562c..d948129 100644
--- a/pyecsca/ec/op.py
+++ b/pyecsca/ec/op.py
@@ -145,5 +145,5 @@ class CodeOp:
 
     def __call__(self, *args, **kwargs: Mod) -> Mod:
         """Execute this operation with :paramref:`.__call__.kwargs`."""
-        exec(self.compiled, {}, kwargs)
+        exec(self.compiled, None, kwargs)
         return kwargs[self.result]
-- 
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