dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Sat, Oct 20, 2007 at 01:12:14PM +0200, Alessio Quaglino wrote:
> > On Fri, Oct 12, 2007 at 12:53:50PM +0200, Alessio Quaglino wrote:
> >> I've compiled dolfin using PETSc. After some work, everything finally
> >> compiles, but there was no way to make those working inside PETScVector:
> >>
> >> /// Return value of maximum component of vector
> >> real max() const;
> >>
> >> /// Return value of minimum component of vector
> >> real min() const;
> >
> > What do you mean? Do you need to remove those two in order to compile?
> 
> Thank you for the reply.
> Yes, I needed to remove them in order to compile.
> 
> 
> >> I thought you wanted to know it, just in case you want to dump them (max
> >> is just the linf norm so it's not even necessary).
> >
> > Yes, I think they can be removed. Any objections?
> >
> > (Or we should add them to the GenericMatrix interface.)
> >
> >> I have also another question: why is uBlas necessary for compiling?
> >> Wouldn'it be (at least in theory) possible to use just PETSc?
> >
> > It would break the ODE solvers since they assume the uBlas interface.
> > Since uBlas is fairly standard, part of boost, just a collection of
> > header files and is part of Debian, it's generally not a problem to
> > rely on uBlas.
> 
> Ok thanks I was just thinking how to speedup the "code generation" phase
> (after compiling and linking) in Visual Studio which takes about 5
> minutes. Compiling is quite fast because I'm using dolfin as a static
> library, but then the code generation is bloody slow (the full dolfin .lib
> was about 120 mb which became 90mb after some "cutting", but it seems that
> the rest is sort of linked together). I've been told that boost could be a
> cause, so I just considered to experiment.
> 
> Alessio

Sounds very strange. What "code generation phase" do you mean?
Compiling your program, or generating code with FFC?

I'm not sure what your compiler does, but I'm looking a libdolfin.so
which weights in at 15 MB. Stripped from comments etc (command strip),
it's down to 3.2 MB

/Anders