diff --git a/autowrap/CodeGenerator.py b/autowrap/CodeGenerator.py
index b16a4e4..04aa7d2 100644
--- a/autowrap/CodeGenerator.py
+++ b/autowrap/CodeGenerator.py
@@ -2041,6 +2041,7 @@ def create_default_cimports(self):
         code.add(
             """
                    |from  libcpp.memory   cimport shared_ptr
+                   |from  libcpp.utility  cimport move
                    """
         )
         if self.include_numpy:
diff --git a/autowrap/ConversionProvider.py b/autowrap/ConversionProvider.py
index 7d7f689..bdbb7aa 100644
--- a/autowrap/ConversionProvider.py
+++ b/autowrap/ConversionProvider.py
@@ -1082,7 +1082,12 @@ def input_conversion(
         else:
             cleanup_code = "del %s" % temp_var
 
-        return code, "deref(%s)" % temp_var, cleanup_code
+        # Use move() for by-value parameters to avoid copying large maps
+        if cpp_type.is_ref:
+            call_as = "deref(%s)" % temp_var
+        else:
+            call_as = "move(deref(%s))" % temp_var
+        return code, call_as, cleanup_code
 
     def call_method(self, res_type: CppType, cy_call_str: str, with_const: bool = True) -> str:
         return "_r = %s" % cy_call_str
@@ -1251,7 +1256,12 @@ def input_conversion(
                 )
             else:
                 cleanup_code = "del %s" % temp_var
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large sets
+            if cpp_type.topmost_is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
 
         elif tt.base_type in self.converters.names_of_wrapper_classes:
             base_type = tt.base_type
@@ -1293,7 +1303,12 @@ def input_conversion(
 
             else:
                 cleanup_code = "del %s" % temp_var
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large sets
+            if cpp_type.is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
         else:
             inner = self.converters.cython_type(tt)
             # cython cares for conversion of stl containers with std types:
@@ -1726,7 +1741,12 @@ def input_conversion(
                 )
             else:
                 cleanup_code = "del %s" % temp_var
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large vectors
+            if cpp_type.topmost_is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
 
         elif tt.base_type in self.converters.names_of_wrapper_classes:
             # Case 2: We wrap a std::vector<> with a base type we need to wrap
@@ -1752,8 +1772,11 @@ def input_conversion(
 
             if cpp_type.is_ptr:
                 call_fragment = temp_var
-            else:
+            elif cpp_type.topmost_is_ref:
                 call_fragment = "deref(%s)" % temp_var
+            else:
+                # Use move() for by-value parameters to avoid copying large vectors
+                call_fragment = "move(deref(%s))" % temp_var
 
             return code, call_fragment, cleanup_code
 
@@ -1802,7 +1825,12 @@ def input_conversion(
                     locals(),
                 )
 
-            return code, "%s" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large vectors
+            if cpp_type.topmost_is_ref:
+                call_as = "%s" % temp_var
+            else:
+                call_as = "move(%s)" % temp_var
+            return code, call_as, cleanup_code
 
         elif inner_contains_classes_to_wrap and tt.base_type != "libcpp_vector":
             # Only if the template argument which is neither a class-to-wrap nor a std::vector
@@ -1857,7 +1885,12 @@ def input_conversion(
                     "Error: For recursion in std::vector<T> to work, we need a ConverterRegistry instance at self.cr"
                 )
 
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large vectors
+            if cpp_type.topmost_is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
 
         else:
             # Case 5: We wrap a regular type
@@ -1879,7 +1912,12 @@ def input_conversion(
                     locals(),
                 )
 
-            return code, "%s" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large vectors
+            if cpp_type.topmost_is_ref:
+                call_as = "%s" % temp_var
+            else:
+                call_as = "move(%s)" % temp_var
+            return code, call_as, cleanup_code
 
     def call_method(self, res_type: CppType, cy_call_str: str, with_const: bool = True) -> str:
         t = self.converters.cython_type(res_type)
@@ -2354,7 +2392,12 @@ def input_conversion(
         else:
             cleanup_code = "del %s" % temp_var
 
-        return code, "deref(%s)" % temp_var, cleanup_code
+        # Use move() for by-value parameters to avoid copying large maps
+        if cpp_type.is_ref:
+            call_as = "deref(%s)" % temp_var
+        else:
+            call_as = "move(deref(%s))" % temp_var
+        return code, call_as, cleanup_code
 
     def call_method(self, res_type: CppType, cy_call_str: str, with_const: bool = True) -> str:
         return "_r = %s" % cy_call_str
@@ -2543,7 +2586,12 @@ def input_conversion(
                 )
             else:
                 cleanup_code = "del %s" % temp_var
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large sets
+            if cpp_type.topmost_is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
 
         elif tt.base_type in self.converters.names_of_wrapper_classes:
             base_type = tt.base_type
@@ -2579,7 +2627,12 @@ def input_conversion(
                 )
             else:
                 cleanup_code = "del %s" % temp_var
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large sets
+            if cpp_type.is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
         else:
             # Primitive types - need explicit iteration
             item = "item%d" % arg_num
@@ -2607,7 +2660,12 @@ def input_conversion(
                 )
             else:
                 cleanup_code = "del %s" % temp_var
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large sets
+            if cpp_type.is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
 
     def call_method(self, res_type: CppType, cy_call_str: str, with_const: bool = True) -> str:
         return "_r = %s" % cy_call_str
@@ -2745,7 +2803,12 @@ def input_conversion(
                 )
             else:
                 cleanup_code = "del %s" % temp_var
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large deques
+            if cpp_type.topmost_is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
 
         elif tt.base_type in self.converters.names_of_wrapper_classes:
             base_type = tt.base_type
@@ -2762,7 +2825,12 @@ def input_conversion(
                 locals(),
             )
             cleanup_code = "del %s" % temp_var
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large deques
+            if cpp_type.is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
         else:
             # Primitive types - need explicit iteration
             item = "item%d" % arg_num
@@ -2913,7 +2981,12 @@ def input_conversion(
                 )
             else:
                 cleanup_code = "del %s" % temp_var
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large lists
+            if cpp_type.topmost_is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
 
         elif tt.base_type in self.converters.names_of_wrapper_classes:
             base_type = tt.base_type
@@ -2930,7 +3003,12 @@ def input_conversion(
                 locals(),
             )
             cleanup_code = "del %s" % temp_var
-            return code, "deref(%s)" % temp_var, cleanup_code
+            # Use move() for by-value parameters to avoid copying large lists
+            if cpp_type.is_ref:
+                call_as = "deref(%s)" % temp_var
+            else:
+                call_as = "move(deref(%s))" % temp_var
+            return code, call_as, cleanup_code
         else:
             code = Code().add(
                 """