Revert "Use loopy for evaluation of basis gradient"

This reverts commit d0a87348.

python/dune/perftool/pdelab/basis.py

@@ -290,22 +290,18 @@ def evaluate_basis_gradient(leaf_element, name, restriction):
     jac = name_jacobian_inverse_transposed(restriction)
     index = lfs_iname(leaf_element, restriction, context='transformgrads')
     reference_gradients = name_reference_gradient(leaf_element, restriction)
-
-    # Evaluate product of jacobianInvereseTransposed and gradient on reference element with loopy
-    dimindex_0 = dimension_iname(context='gradient_transformation', count=0)
-    dimindex_1 = dimension_iname(context='gradient_transformation', count=1)
-    reduction_expr = Product((
-        Subscript(Variable(jac), (Variable(dimindex_0), Variable(dimindex_1))),
-        Subscript(Variable(reference_gradients), (Variable(index), 0, Variable(dimindex_1)))))
-    assignee = Subscript(Variable(name), (Variable(index), Variable(dimindex_0)))
-
-    # Create exrpession instruction
-    forced_iname_deps = frozenset({quadrature_iname()}).union(frozenset({index, dimindex_0}))
-    instruction(
-        expression=Reduction("sum", dimindex_1, reduction_expr, allow_simultaneous=True),
-        assignee=assignee,
-        forced_iname_deps=forced_iname_deps,
-        forced_iname_deps_is_final=True)
+    instruction(inames=(index,
+                        quadrature_iname(),
+                        ),
+                code='{}.mv({}[{}][0], {}[{}]);'.format(jac,
+                                                        reference_gradients,
+                                                        index,
+                                                        name,
+                                                        index,
+                                                        ),
+                assignees=frozenset({name}),
+                read_variables=frozenset({reference_gradients}),
+                )
 
 
 @symbol