[Rcpp-devel] DataFrame::create() in endless loop

[Steffen Neumann]

Hi,

thanks everyone for the help,
I used IntegerVector and friends, 
and changed from DataFrame to List.

Thanks,
Steffen


On Tue, 2012-02-28 at 14:59 -0500, Slava Mazur wrote:
> > It's a memory problem from R.  It is trying to do garbage collection
> 
> > (RunGenCollector) and getting hung up, probably because of
> exhausting
> 
> > one of the stacks in R.  Your std::vector<int> objects need to be
> 
> > copied to R objects.  Is it possible to define them as
> IntegerVector's
> 
> > instead, in which case the Create method will (I think) just move
> some
> 
> > pointers around.
> 
>  
> 
> I had the same problem a while ago and the solution we’ve come up with
> was to get rid of Rcpp::DataFrame and use Rcpp::XPtr instead.
> 
> It turned out that Rcpp::DataFrame is rather impractical for
> sufficiently large data sets. 
> 
> As an alternative, Rcpp::XPtr is a little bit more complex to
> implement but by far more reliable and efficient.
> 
> For more details see this
> http://lists.r-forge.r-project.org/pipermail/rcpp-devel/2012-January/003335.html and subsequent messages.
> 
>  
> 
> Hope this helps.
> 
>  
> 
> Cheers,
> 
>  
> 
> Slava Mazur
> 
>  
> 
> 
> _______________________________________________
> Rcpp-devel mailing list
> Rcpp-devel at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel

-- 
IPB Halle                    AG Massenspektrometrie & Bioinformatik
Dr. Steffen Neumann          http://www.IPB-Halle.DE
Weinberg 3                   http://msbi.bic-gh.de
06120 Halle                  Tel. +49 (0) 345 5582 - 1470
                                  +49 (0) 345 5582 - 0
sneumann(at)IPB-Halle.DE     Fax. +49 (0) 345 5582 - 1409