itaps-parallel Notes from tutorial exercises

[Ryan Kaufman]

On Tue, Nov 11, 2008 at 1:02 PM, Lori A. Diachin <diachin2 at llnl.gov> wrote:
> Hi Vitus and all,
>
> I went through both tutorials this morning and overall think they're quite
> nice.  I like that you provide the basics here in the second exercise - it's
> a very nice bridge between Hello and Smooth.  I have a few minor notes
> (below).
>
> As a general comment to everyone - do we have any tutorial exercises that
> aren't in C++?  I've gone through Hello, Load Balance and Smooth so far and
> I'm worried we'll give folks the wrong impression..   I see a .c file in the
> Hello directory -- would it be hard to add a fortran hello example?
>
> Lori
>
> Tutorial 1:
>
> Exercise 2: It's not clear to me where the MPI communicator is initialized
> in the test file?  I assume it's COMM_WORLD, but you refer to 'initialized
> above' and I don't see it.  I assume it's in the Init function, but it might
> be helpful to make it more explicit
>
> Exercise 3: Remind users how to get a string length; not all users will be
> c++ savy.
>
> In general it's not always clear to me why I'm doing something, getting the
> parts, getting various handles, etc - is it needed for Zoltan?  If you can,
> it would be useful to add a sentence to the beginning of each exercise
> giving a bit of motivation for why I need to call this function.  It will
> help folks think through it themselves later..
>
>
> Tutorial 2:
>
> Might prefer to have different test file names in tutorial 1 and tutorial
> 2.... Actually, rather than switching files/directories, you could keep them
> all part of a single tutorial and just use the #define trick that Karen used
> in Hello.
>
> Is .vtu a vtk format?  I'm not familiar with it and was surprised to see
> .vtu's... you might want to comment on what to expect in the notes for
> Exercise 1
>
>
> ~
>

FronTier tutorial uses only C, however it compiles with g++. Changing
to gcc won't be a problem if I pull my hair out for a day or so
setting up the proper "extern 'C'" directives in FronTier so that
linkage goes correctly. Is this desirable?

-- 
~Ryan Kaufman