Re: [eigen] Re: meeting in February?

[Benoit Jacob <jacob.benoit.1@xxxxxxxxx>]

Hi,

I added a section on the wiki on Dodji's visit,

http://eigen.tuxfamily.org/index.php?title=Paris_2010_Meeting#Dodji.27s_visit

please help fill it and/or disagree with what I wrote!

Benoit

2009/12/14 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
> Hi,
>
> I'm very happy to announce a special guest at the meeting!
>
> Dodji Seketeli is the G++ developer who's currently taking care of our
> bug report, http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42225
>
> Keep him in CC !
>
> He'll be able to come at the meeting, which is an awesome opportunity for us:
>  - to let a G++ developer know about our needs;
>  - to ask questions about how to help the compiler to produce optimized code;
>  - to ask questions about how to write code that doesn't take too long
> to compile;
>  - generally to understand how a C++ compiler looks at Eigen;
>  - etc.
>
> Dodji can also do a presentation about G++ stuff for us. It would be
> very useful to discuss first what we are most interested to learn
> about!
>
> Personnally, what I am the most interested in is to understand what
> happens in the C++ front-end, aka G++. Good coincidence: that's
> exactly what Dodji is most expert about, AFAIK. I'm pretty sure also
> that listening to a presentation about G++ would also be enlightening
> about C++ in general, and would help understanding issues not specific
> to GCC.
>
> So for example, what I would love is if we could study a short C++
> program with some templates, typedefs etc, and examine together how
> G++ handles it, step-by-step.
>
> After a very simple example we could move on to a more involved
> example directly taken from Eigen.
>
> Another thing that I would be thrilled to listen to, is how to get
> more information about how G++ handled a particular file. Indeed, when
> we notice bad performance on some program, currently all we can look
> at is the generated assembly. It would be nice if we could get
> information about what the front-end did without going all the way to
> the asm. Perhaps Dodji could show us how to get such clues!
>
> What's your opinion? Would you rather be interested in other aspects,
> in general GCC architecture, etc?
>
> Benoit
>
> 2009/12/12 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
>> Some updates regarding the meeting room:
>>
>> - full confirmation from my parents that it's not a problem at all to
>> use their dining room as a meeting room
>> - my father can provide a videoprojector from his workplace, and we
>> have a white screen.
>> - on other news, Thomas has a potential possibility with a company in
>> Paris, so please keep us updated, it is still interesting.
>>
>> Benoit
>>
>> 2009/12/10 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
>>> This is great!
>>>
>>> If Jitse also comes, we're then 6 people which is more or less the
>>> maximum we can reasonably do with our current possibilities for
>>> meeting rooms.
>>>
>>> Benoit
>>>
>>> PS. i guess you know this one but anyway: " -- T'habites
>>> Bourg-la-Reine? ou t'habites Choisy-le-Roi? -- Non, ma... euh j'habite
>>> porte des lilas."
>>>
>>> 2009/12/10 Mathieu Gautier <mathieu.gautier@xxxxxx>:
>>>> Hi,
>>>>
>>>> Since I'm living near Paris (Bourg-La-Reine, RER B). I can easily be there.
>>>> I can also host someone in my living room, if there's funding or/and
>>>> accommodation issues.
>>>>
>>>> For the meeting room, it may be easier to be hosted by one of the
>>>> universities of Paris, but I don't know if it's possible.
>>>>
>>>> --
>>>> Mathieu
>>>>
>>>>
>>>>
>>>
>>
>