arch: prevent erroring at init in isolation

Author: mloubout

devito/arch/archinfo.py

@@ -661,6 +661,11 @@ def check_cuda_runtime():
         driver_version = driver_version.value
         runtime_version = runtime_version.value
 
+        if driver_version == 0:
+            # cudart present but no driver detected. Likely isolation
+            # run such as version check or within a docker build.
+            return
+
         driver_v = parse(str(driver_version/1000))
         runtime_v = parse(str(runtime_version/1000))
         # First check the "major" version, known to be incompatible

devito/operator/operator.py

@@ -1001,6 +1001,7 @@ def apply(self, **kwargs):
             self._emit_args_profiling('arguments-preprocess')
 
         # Invoke kernel function with args
+        print(args)
         arg_values = [args[p.name] for p in self.parameters]
         try:
             with self._profiler.timer_on('apply', comm=args.comm):