add empty cache

cosyvoice/cli/model.py

@@ -209,6 +209,7 @@ class CosyVoiceModel:
             self.mel_overlap_dict.pop(this_uuid)
             self.hift_cache_dict.pop(this_uuid)
             self.flow_cache_dict.pop(this_uuid)
+        torch.cuda.empty_cache()
 
     def vc(self, source_speech_token, flow_prompt_speech_token, prompt_speech_feat, flow_embedding, stream=False, speed=1.0, **kwargs):
         # this_uuid is used to track variables related to this inference thread
@@ -262,6 +263,7 @@ class CosyVoiceModel:
             self.llm_end_dict.pop(this_uuid)
             self.mel_overlap_dict.pop(this_uuid)
             self.hift_cache_dict.pop(this_uuid)
+        torch.cuda.empty_cache()
 
 
 class CosyVoice2Model(CosyVoiceModel):
@@ -393,3 +395,4 @@ class CosyVoice2Model(CosyVoiceModel):
         with self.lock:
             self.tts_speech_token_dict.pop(this_uuid)
             self.llm_end_dict.pop(this_uuid)
+        torch.cuda.empty_cache()