Update generation_config.json

generation_config.json

@@ -8,6 +8,6 @@
   ],
   "temperature": 0.6,
   "top_p": 0.9,
-  "max_new_tokens": 1024,
+  "max_new_tokens": 512,
   "transformers_version": "4.44.0.dev0"
 }