[testing] moved di = torch._dynamo.device_interface into backend (#4818)

Author: ptillet

python/triton/testing.py

@@ -5,6 +5,7 @@
 from contextlib import contextmanager
 from typing import Any, Dict, List
 from . import language as tl
+from . import runtime
 
 
 def nvsmi(attrs):
@@ -114,7 +115,7 @@ def do_bench(fn, warmup=25, rep=100, grad_to_none=None, quantiles=None, fast_flu
     assert return_mode in ["min", "max", "mean", "median", "all"]
     import torch
 
-    di = torch._dynamo.device_interface.get_interface_for_device(device_type)
+    di = runtime.driver.active.get_device_interface()
 
     fn()
     di.synchronize()

third_party/amd/backend/driver.py

@@ -484,6 +484,10 @@ def __init__(self):
         self.utils = HIPUtils()
         self.launcher_cls = HIPLauncher
 
+    def get_device_interface(self):
+        import torch
+        return torch.cuda
+
     @staticmethod
     def is_active():
         import torch

third_party/nvidia/backend/driver.py

@@ -440,6 +440,10 @@ def get_current_target(self):
         warp_size = 32
         return GPUTarget("cuda", capability, warp_size)
 
+    def get_device_interface(self):
+        import torch
+        return torch.cuda
+
     @staticmethod
     def is_active():
         import torch