Re: [Rcpp-devel] Very Large Matrices in RcppArmadillo

2012-07-17 Thread French, Joshua
>To be fair, it's 300k by 300k (not 3mill by 3mill), so: > >R> (30 * 30 * 8) / 2^30 >[1] 670.5523 > >So, I guess 0.67 terabytes ... no problemo ;-) > >-steve I'm getting the picture now. Thanks for the additional example. And Doug, sorry I still missed your earlier point. __

Re: [Rcpp-devel] Very Large Matrices in RcppArmadillo

2012-07-17 Thread Steve Lianoglou
On Tue, Jul 17, 2012 at 12:08 PM, Douglas Bates wrote: > On Tue, Jul 17, 2012 at 10:44 AM, French, Joshua > wrote: >> Thank you all for the responses. >> >> Christian, I didn't know about the copy_aux_mem option. I will have to >> take a look at that. >> >> Dirk, thanks for looking into the 64-b

Re: [Rcpp-devel] Very Large Matrices in RcppArmadillo

2012-07-17 Thread Douglas Bates
On Tue, Jul 17, 2012 at 10:44 AM, French, Joshua wrote: > Thank you all for the responses. > > Christian, I didn't know about the copy_aux_mem option. I will have to > take a look at that. > > Dirk, thanks for looking into the 64-bit matrix indices. > > Doug, the place in my code where I get the

Re: [Rcpp-devel] Very Large Matrices in RcppArmadillo

2012-07-17 Thread French, Joshua
Thank you all for the responses. Christian, I didn't know about the copy_aux_mem option. I will have to take a look at that. Dirk, thanks for looking into the 64-bit matrix indices. Doug, the place in my code where I get the error is when I multiply matrices. I might have matrices X and Y, whe