[XPU]Modify the xpu memory display unit of log (#4534)

Author: yyssys

fastdeploy/worker/xpu_worker.py

@@ -110,8 +110,8 @@ def determine_available_memory(self) -> int:
         free_memory = xpu_get_free_global_memory(self.device_id)
 
         logger.info(
-            f"Before warm up, total_memory: {total_memory}, \
-                    used_memory: {used_memory}, free_memory: {free_memory}"
+            f"Before warm up, total_memory: {total_memory / 1024**3}GB--------, \
+                    used_memory: {used_memory / 1024**3}GB--------, free_memory: {free_memory / 1024**3}GB--------"
         )
 
         if self.parallel_config.use_ep:
@@ -131,8 +131,8 @@ def determine_available_memory(self) -> int:
         self.model_runner.clear_block_table()
 
         logger.info(
-            f"After warm up, total_available_memory: {total_available_memory}, \
-                    used_memory: {used_memory}, available_kv_cache_memory: {available_kv_cache_memory}"
+            f"After warm up, total_available_memory: {total_available_memory / 1024**3}GB--------, \
+                    used_memory: {used_memory / 1024**3}GB--------, available_kv_cache_memory: {available_kv_cache_memory / 1024**3}GB--------"
         )
         paddle.device.xpu.empty_cache()
         return available_kv_cache_memory  # approximate value