[gecode-users] Using IntActivity with space

[Christian Schulte]

...and here is the page

Christian

--
Christian Schulte, www.ict.kth.se/~cschulte/


> -----Original Message-----
> From: Christian Schulte [mailto:cschulte at kth.se]
> Sent: Tuesday, July 23, 2013 2:29 PM
> To: 'Kish Shen'
> Cc: 'users at gecode.org'
> Subject: RE: [gecode-users] Using IntActivity with space
> 
> Just added initialization of Activity by a function to the trunk, see the
single page
> from MPG for details.
> 
> Christian
> 
> --
> Christian Schulte, www.ict.kth.se/~cschulte/
> 
> 
> > -----Original Message-----
> > From: users-bounces at gecode.org [mailto:users-bounces at gecode.org] On
> > Behalf Of Kish Shen
> > Sent: Tuesday, July 16, 2013 6:11 PM
> > Cc: users at gecode.org
> > Subject: Re: [gecode-users] Using IntActivity with space
> >
> > On 16/07/2013 10:09, Christian Schulte wrote:
> > > Yes, changes to recomputation can change the variable ordering but
> > > that's the best we can do.I think quite some variable selection
> > > strategies will also work differently on different hardware/software
> > > platforms due to different rounding...
> > >
> >
> > To me, changing the amount of recomputation is somewhat different from
> > running on different hardware/software platforms. Am I correct that
> > besides activity, changing the amount of recomputation will only
> > affect memory/execution performance?
> >
> > Is it not possible to turn off the gathering of activity information
> > during recomputation? I assume that (like in our interface code), you
> > know when you are performing recomputation, and if so, can the
> > gathering of activity information be turned off for the duration?
> >
> > > How about one can give an initialization function for Activity such
> > > that the activity value will be initialized for each variable. That
should be
> easy.
> >
> > This sound like a good idea!
> >
> > Cheers,
> >
> > Kish
> >
> >
> >
> > _______________________________________________
> > Gecode users mailing list
> > users at gecode.org
> > https://www.gecode.org/mailman/listinfo/gecode-users
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