Hi Lawrence,

did the changes in columnwise_kernels ever get merged into the trunk? They don’t seem to be in the performance-logging, since I get the error below, which implies that the following commit has not been included:

Traceback (most recent call last):
  File "driver.py", line 652, in <module>
    main(parameter_filename)
  File "driver.py", line 601, in main
    u_matrixfree,p_matrixfree,b_matrixfree = solve_matrixfree(functionspaces,dt,all_param,expression)
  File "driver.py", line 415, in solve_matrixfree
    dt,all_param)
  File "driver.py", line 301, in matrixfree_solver_setup
    omega_N)
  File "/Users/eikemueller/PostDocBath/EllipticSolvers/Firedrake_workspace/firedrake-helmholtzsolver/source/pressuresolver/hierarchy.py", line 30, in __init__
    self._data = [Type(*x,**kwargs) for x in arglist] 
  File "/Users/eikemueller/PostDocBath/EllipticSolvers/Firedrake_workspace/firedrake-helmholtzsolver/source/pressuresolver/operators.py", line 188, in __init__
    vertical_bcs=True)
  File "/Users/eikemueller/PostDocBath/EllipticSolvers/Firedrake_workspace/firedrake-helmholtzsolver/source/bandedmatrix/bandedmatrix.py", line 215, in assemble_ufl_form
    self._assemble_lma(lma,vertical_bcs)
  File "/Users/eikemueller/PostDocBath/EllipticSolvers/Firedrake_workspace/firedrake-helmholtzsolver/source/bandedmatrix/bandedmatrix.py", line 256, in _assemble_lma
    kernel = op2.Kernel(kernel_code % param_dict,'assemble_lma',cpp=True)
  File "/Users/eikemueller/PostDocBath/EllipticSolvers/PyOP2/pyop2/backends.py", line 118, in __call__
    return t(*args, **kwargs)
  File "/Users/eikemueller/PostDocBath/EllipticSolvers/PyOP2/pyop2/caching.py", line 182, in __new__
    key = cls._cache_key(*args, **kwargs)
TypeError: _cache_key() got an unexpected keyword argument ‘cpp'

Cheers,

Eike