Correct face size

python/dune/perftool/sumfact/tabulation.py

@@ -81,6 +81,8 @@ class BasisTabulationMatrix(BasisTabulationMatrixBase, ImmutableRecord):
     def quadrature_size(self):
         size = quadrature_points_per_direction()
         size = size[self.direction]
+        if self.face is not None:
+            size = 1
         if self.slice_size is not None:
             size = ceildiv(size, self.slice_size)
         return size