[RFC] [parloop branch] Supporting reductions, take 2

Razya Ladelsky RAZYA@il.ibm.com
Tue Sep 4 16:30:00 GMT 2007


Zdenek Dvorak <rakdver@kam.mff.cuni.cz> wrote on 04/09/2007 19:17:23:

> Hello,
> 
> > I'm not sure this code (replacing full gimplification of omp atomic 
with 
> > omp 
> > atomic expansion) is stable enough, and it also needs to be adapted to 

> > mainline
> > with the rest of my code, so I'm not sure I'll get it ready in time to 
be 
> > submitted
> > before September 10th.
> > 
> > Zdenek, would you say that targeting to get only the reduction code to 

> > mainline
> > (and having a simple omp_expamd_atomic relying on the 
force_gimple_opeand 
> > to produce 
> > code) is good enough?
> 
> I think it is not worth hurrying; regardless of whether the
> autoparallelization in 4.3 will support reduction or not, it will not be
> practically useful.  So I would prefer to leave the improvements for the
> next version, and use the time to test and tune them.
> 
> Zdenek

So, having the reduction code with a very simple expand_omp_atomic will do
for gcc4.3?

Thanks,
Razya
Razya



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