Backward compatibility hack for older cuda-python versions.

Author: isazi

kernel_tuner/backends/nvcuda.py

@@ -13,7 +13,11 @@
 try:
     from cuda.bindings import driver, runtime, nvrtc
 except ImportError:
-    driver = None
+    try:
+        # backward compatibility hack for older cuda-python versions
+        from cuda import cuda as driver, cudart as runtime, nvrtc as nvrtc
+    except ImportError:
+        driver = None
 
 
 class CudaFunctions(GPUBackend):

kernel_tuner/observers/nvcuda.py

@@ -3,7 +3,11 @@
 try:
     from cuda.bindings import runtime
 except ImportError:
-    cuda = None
+    try:
+        # backward compatibility hack for older cuda-python versions
+        from cuda import cudart as runtime
+    except ImportError:
+        cuda = None
 
 from kernel_tuner.observers.observer import BenchmarkObserver
 from kernel_tuner.utils.nvcuda import cuda_error_check