Introduce a vectorization error

python/dune/perftool/error.py

@@ -15,3 +15,7 @@ class PerftoolCodegenError(PerftoolError):
 
 class PerftoolLoopyError(PerftoolError):
     pass
+
+
+class PerftoolVectorizationError(PerftoolCodegenError):
+    pass
\ No newline at end of file

python/dune/perftool/sumfact/vectorization.py

@@ -18,7 +18,7 @@ from dune.perftool.sumfact.tabulation import (BasisTabulationMatrixArray,
                                               quadrature_points_per_direction,
                                               set_quadrature_points,
                                               )
-from dune.perftool.error import PerftoolError
+from dune.perftool.error import PerftoolVectorizationError
 from dune.perftool.options import get_option
 from dune.perftool.tools import add_to_frozendict, round_to_multiple
 
@@ -33,7 +33,7 @@ import math
 @generator_factory(item_tags=("vecinfo", "dryrundata"), cache_key_generator=lambda o, n: o)
 def _cache_vectorization_info(old, new):
     if new is None:
-        raise PerftoolError("Vectorization info for sum factorization kernel was not gathered correctly!")
+        raise PerftoolVectorizationError("Vectorization info for sum factorization kernel was not gathered correctly!")
     return new