On 24 March 2011 18:13, Peter Brune <[email protected]> wrote: > >> It does support fractions, but maybe I don't quite follow your >> objection. It's difficult to give pointers when the code in question >> is secret.... >> > > Point #1: > http://bazaar.launchpad.net/~unicorn-core/unicorn/unstable/view/head:/ucsolver/icns-iso/unicorn/isoparametry.py > seems pretty out in the open to me. It just got left in the context where I > built it due to general apathy and frustration with FFC and the half-based > interface and implementation designs people were proposing. > > Point #2: The error I get is: > > Compiler stage 3: Optimizing intermediate representation > -------------------------------------------------------- > Optimising expressions for cell integral > Traceback (most recent call last): > File "/home/prbrune/fenics/fenics_tip/local/bin/ffc", line 176, in > <module> > sys.exit(main(sys.argv[1:])) > File "/home/prbrune/fenics/fenics_tip/local/bin/ffc", line 157, in main > compile_form(ufd.forms, ufd.object_names, prefix, parameters) > File > "/home/prbrune/fenics/fenics_tip/local/lib/python2.6/site-packages/ffc/compiler.py", > line 145, in compile_form > oir = optimize_ir(ir, parameters) > File > "/home/prbrune/fenics/fenics_tip/local/lib/python2.6/site-packages/ffc/optimization.py", > line 38, in optimize_ir > oir_integrals = [_optimize_integral_ir(ir, parameters) for ir in > ir_integrals] > File > "/home/prbrune/fenics/fenics_tip/local/lib/python2.6/site-packages/ffc/optimization.py", > line 56, in _optimize_integral_ir > oir = r.optimize_integral_ir(ir, parameters) > File > "/home/prbrune/fenics/fenics_tip/local/lib/python2.6/site-packages/ffc/quadrature/quadratureoptimization.py", > line 32, in optimize_integral_ir > _simplify_expression(integrals, geo_consts, psi_tables_map) > File > "/home/prbrune/fenics/fenics_tip/local/lib/python2.6/site-packages/ffc/quadrature/quadratureoptimization.py", > line 60, in _simplify_expression > value = optimise_code(val, ip_consts, geo_consts, t_set) > File > "/home/prbrune/fenics/fenics_tip/local/lib/python2.6/site-packages/ffc/quadrature/symbolics.py", > line 182, in optimise_code > ip_expressions = ip_expr.expand().reduce_vartype(IP) > File > "/home/prbrune/fenics/fenics_tip/local/lib/python2.6/site-packages/ffc/quadrature/fraction.py", > line 287, in reduce_vartype > raise RuntimeError("This case is not handled") > RuntimeError: This case is not handled > > from running ffc -l dolfin -O --verbose Volume.ufl on the code in Point #3.
Could you file a FFC bug report on a reduced (if possible) version of Volume.ufl, so it doesn't get lost? Kristian > Point #3: Code that works with modern FEniCS tools: > https://bitbucket.org/prbrune/isoparametry/ > > I just spent a plane ride writing up a README and comments, but ask any > additional questions. It turns out that P2 with P2 coordinates is > interestingly only 3X slower, so I don't know what's up with P1 (other than > very good optimization of the original assembly) In any case I'm declaring > victory. > > Point #4: I am not going to put substantial effort into this until June as > it is not part of my thesis. Do with it what you will. > > - Peter > _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : [email protected] Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp

