Fix overflow in FP16

modeling_chatglm.py

@@ -51,7 +51,7 @@ class InvalidScoreLogitsProcessor(LogitsProcessor):
     def __call__(self, input_ids: torch.LongTensor, scores: torch.FloatTensor) -> torch.FloatTensor:
         if torch.isnan(scores).any() or torch.isinf(scores).any():
             scores.zero_()
-            scores[..., 20005] = 1e5
+            scores[..., 20005] = 5e4
         return scores