RE: New GCC ICI v0.9.5 (bug fixes + new examples)

["Grigori Fursin" <grigori dot fursin at inria dot fr>]

Hi Taras,

Thank you for your message! Our main work (GCC-ICI) is
slightly orthogonal to plugins - our main goal at the moment
is to improve or automatically tune optimization heuristic
for evolving systems. However, naturally we implemented
it as a plugin system and we would be happy to have
a unified one instead of having different versions
doing similar things. Particularly, our final goal 
is to show that we can make GCC (or other compilers) 
fully modular and then we will clearly need a unified
plugin interface. 

Unfortunately, we don't have enough people to work on the 
plugin system itself at the moment - we now spend most of the 
time on statistical search techniques to optimize programs 
but I may have a few more people joining the project at the end
of March so we will look at your plugin system then
in more detail. 

By the way, I cc this email to 2 PhD candidates: Hugh Leather 
(Edinburgh University) and Cupertino Miranda (INRIA) who were 
interested in developing a unified plugin systems for GCC together 
with the ICI. I think Hugh even had another working prototype 
- If they are still interested, maybe they will comment on that ...

So whenever we are ready to extend the current version of ICI
for finer-grain transformations, we will get in touch to see 
if we can use the common plugin system !..

Take care,
Grigori


========================================
Grigori Fursin, PhD
Research Scientist, INRIA, France
http://fursin.net/research
 




> -----Original Message-----
> From: Taras Glek [mailto:taras.judge@shaw.ca]
> Sent: Saturday, February 23, 2008 2:15 AM
> To: Grigori Fursin
> Cc: 'gcc'
> Subject: Re: New GCC ICI v0.9.5 (bug fixes + new examples)
> 
> Hi Grigori,
> I work for Mozilla and recently we developed a few plugins for gcc and
> improvised a plugin interface to gcc to support it.
> So far we have been utilizing the C++ FE, but now I'm moving into
> yanking data out of the middleend. I think we should collaborate on the
> plugin interface and combine our efforts to push this upstream(or at
> least into Linux distributions)
> 
> The homepage for my plugin work is:
> http://wiki.mozilla.org/Dehydra_GCC
> 
> See my blog for more details http://blog.mozilla.com/tglek
> 
> I'm looking forward to hearing from you.
> 
> Taras
> 
> Grigori Fursin wrote:
> > Hi all,
> >
> > Just a small note, that we released a new GCC-ICI (Interactive
> > Compilation Interface) version 0.9.5. It allows function-level
> > optimization and specialization by selecting or reordering
> > only appropriate passes. It uses external plugins to monitor
> > and improve default compiler optimization heuristic.
> >
> > The new ICI is used in the MILEPOST project to automatically
> > learn how to optimize programs using machine learning. It is
> > merged with the Program Feature Extractor from IBM Haifa
> > and will soon be available under the GCC MILEPOST branch.
> >
> > More information can be found here:
> > http://gcc-ici.sourceforge.net
> > http://www.milepost.eu
> >
> > Yours,
> > Grigori Fursin
> >
> > =================================
> > Grigori Fursin, PhD
> > Research Scientist, INRIA, France
> > http://fursin.net/research
> >
> >
> >