change dtype to bf16 in config.json

config.json

@@ -24,7 +24,7 @@
   "rope_theta": 10000.0,
   "sliding_window": 4096,
   "tie_word_embeddings": false,
-  "torch_dtype": "float32",
+  "torch_dtype": "bfloat16",
   "transformers_version": "4.38.2",
   "use_cache": false,
   "vocab_size": 32000