arch: Enhance CudaCompiler

Author: FabioLuporini

devito/arch/compiler.py

@@ -705,10 +705,14 @@ def __init_finalize__(self, **kwargs):
         if not configuration['safe-math']:
             self.cflags.append('--use_fast_math')
 
-        # Optionally print out per-kernel shared memory and register usage
         if configuration['profiling'] == 'advanced2':
+            # Optionally print out per-kernel shared memory and register usage
             self.cflags.append('--ptxas-options=-v')
 
+            # Useful for Nsight Compute to associate the source code with
+            # profiling information
+            self.cflags.append('-lineinfo')
+
         self.src_ext = 'cu'
 
         # NOTE: not sure where we should place this. It definitely needs