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Re: [Dolfin] New handling of form compiler parameters

 

On Mon, Feb 01, 2010 at 09:45:02AM +0000, Garth N. Wells wrote:
>
>
> Anders Logg wrote:
> > I have simplified the access to form compiler parameters from DOLFIN.
> > Here's a summary.
> >
> > 1. 'options' --> 'parameters' in FFC
> >
> > 2. DOLFIN stores form compiler parameters in parameters["form_compiler"]
> > and the values are easily accessible by
> >
> >   info(parameters, True)
> >
> > or
> >
> >   info(parameters["form_compiler"])
> >
> > 3. DOLFIN reads the default values at startup by calling
> >
> >   form_compiler.default_parameters()
> >
> > 4. The 'options' parameter to jit, assemble and Form have has been
> > renamed 'form_compiler_parameters'.
> >
> > 5. Before calling the form compiler, DOLFIN first reads the global
> > parameters from parameters["form_compiler"], then overrides the values
> > with any local values provided by the form_compiler_parameters
> > argument.
> >
> > 6. To see more output from the form compiler, *decrease* the log level
> > of the form compiler by form example setting it to INFO:
> >
> >   parameters["form_compiler"]["log_level"] = INFO
> >
> > This is the default log level in FFC, but DOLFIN changes it to INFO + 5
> > at startup to hide messages from the form compiler by default.
> >
> > Have a go and see if it works as expected.
> >
>
> Doesn't look to me that FFC is picking up the parameters via, for example,
>
>   parameters["form_compiler"]["cpp_optimize"] = True
>
> I can take a look, but it won't be for a while.

Should be fixed now.

--
Anders

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