feat: add support for ascend npu

configs/config.py

@@ -16,6 +16,10 @@ try:
         ipex_init()
 except Exception:  # pylint: disable=broad-exception-caught
     pass
+try:
+    import torch_npu  # pylint: disable=unused-import
+except Exception:
+    pass
 import logging
 
 logger = logging.getLogger(__name__)
@@ -128,6 +132,13 @@ class Config:
         except Exception:
             return False
         
+    @staticmethod
+    def has_npu() -> bool:
+        if hasattr(torch, "npu") and torch.npu.is_available():
+            return True
+        else:
+            return False
+
     @staticmethod
     def has_xpu() -> bool:
         if hasattr(torch, "xpu") and torch.xpu.is_available():
@@ -175,6 +186,21 @@ class Config:
             )
             if self.gpu_mem <= 4:
                 self.preprocess_per = 3.0
+        elif self.has_npu():
+            self.device = self.instead = "npu:0"
+            self.is_half = True
+            i_device = int(self.device.split(":")[-1])
+            self.gpu_name = torch.npu.get_device_name(i_device)
+            logger.info("Found NPU %s", self.gpu_name)
+            self.gpu_mem = int(
+                torch.npu.get_device_properties(i_device).total_memory
+                / 1024
+                / 1024
+                / 1024
+                + 0.4
+            )
+            if self.gpu_mem <= 4:
+                self.preprocess_per = 3.0
         elif self.has_mps():
             logger.info("No supported Nvidia GPU found")
             self.device = self.instead = "mps"