fenics team mailing list archive

[Matthew Knepley <knepley@xxxxxxxxxxx>]

Johan Jansson <johanjan@xxxxxxxxxxxxxxxx> writes:
> The main point I was attacking with my post was the suggestion that we
> should sacrifice performance by not pre-compiling code, since the
> Linux version Blue Gene runs (and perhaps other supercomputer
> operating systems) apparently can't do dynamic loading. This would
> impact your laptop user, since his code would run slower. A better
> solution as far as I can see would be to fix Linux on Blue Gene so
> that it can do dynamic loading, or alternatively avoid dynamic loading
> by recompiling and reuploading the code to the nodes between runs.

  Yes, those are really build issues that can be separated from the code
generation issues I think. And, yes, we need better systems support on BG/L.

> As soon as DOLFIN can do parallel assembly and mesh manipulation with
> Sieve, all Fenics components should run equally well on laptops and
> supercomputers.

  Excellent.

        Matt
-- 
"Failure has a thousand explanations. Success doesn't need one" -- Sir Alec Guiness