update

src/Consts.cs

@@ -89,7 +89,12 @@ namespace DCFApixels.DragonECS
 #else
             false;
 #endif
-
+        public const bool ENABLE_DUMMY_SPAN =
+#if ENABLE_DUMMY_SPAN
+            true;
+#else
+            false;
+#endif
 
 
         [Obsolete("DRAGONECS_ENABLE_DEBUG_SERVICE")]

src/Internal/Allocators/AllocatorUtility.cs

@@ -10,8 +10,16 @@ namespace DCFApixels.DragonECS.Core.Internal
         }
         public static unsafe void ClearAllocatedMemory(byte* ptr, int startByte, int lengthInBytes)
         {
+#if ENABLE_DUMMY_SPAN
+            lengthInBytes += startByte;
+            for (int i = startByte; i < lengthInBytes; i++)
+            {
+                ptr[i] = 0;
+            }
+#else
             Span<byte> memorySpan = new Span<byte>(ptr + startByte, lengthInBytes);
             memorySpan.Clear();
+#endif
         }
     }
 }