add torch version

setup.py

@@ -322,13 +322,20 @@ def get_sha(root: Union[str, Path]) -> str:
 def get_version_add(sha: Optional[str] = None) -> str:
     vllm_root = os.path.dirname(os.path.abspath(__file__))
     add_version_path = os.path.join(os.path.join(vllm_root, "vllm"), "version.py")
+    major, minor, *res = torch.__version__.split('.')
     if add_git_version:
         if sha != 'Unknown':
             if sha is None:
                 sha = get_sha(vllm_root)
+            if (major, minor) == ('2', '1'):
                 version = 'das.opt1.' + sha[:7]
+            if (major, minor) == ('2', '3'):
+                version = 'das.opt2.' + sha[:7]
     else:
+        if (major, minor) == ('2', '1'):
             version = 'das.opt1'
+        if (major, minor) == ('2', '3'):
+            version = 'das.opt2'
 
     # dtk version
     if os.getenv("ROCM_PATH"):
@@ -339,6 +346,9 @@ def get_version_add(sha: Optional[str] = None) -> str:
         rocm_version=lines[0].replace(".", "")
         version += ".dtk" + rocm_version
         
+    # torch version
+    version += ".torch" + torch.__version__[:5]
+
     with open(add_version_path, encoding="utf-8",mode="w") as file:
         file.write("__version__='0.5.0'\n")
         file.write("__dcu_version__='0.5.0+{}'\n".format(version))