add task_specific_params

config.json

@@ -25,5 +25,13 @@
   "transformers_version": "4.25.0.dev0",
   "use_cache": true,
   "vocab_size": 50272,
+  "task_specific_params": {
+    "text-generation": {
+      "do_sample": true,
+      "no_repeat_ngram_size": 2,
+      "repetition_penalty": 4.5,
+      "max_length": 48
+    }
+  },
   "word_embed_proj_dim": 512
 }