diff --git a/genesis/__init__.py b/genesis/__init__.py
index 3361a0125..f6ed5c4b7 100644
--- a/genesis/__init__.py
+++ b/genesis/__init__.py
@@ -64,7 +64,7 @@ def init(
     eps=1e-15,
     theme="dark",
     logger_verbose_time=False,
-    performance_mode=False,
+    performance_mode=True,
 ):
     global _initialized
     if _initialized: