On 5 May 2015 at 15:18, Tim Keitt wrote:
| On Tue, May 5, 2015 at 9:11 AM, Dirk Eddelbuettel <[email protected]> wrote:
| On 4 May 2015 at 14:42, Tim Keitt wrote:
| | Copying is where all the costs accumulate for sure. I find it mostly
| guesswork
| | whether something copies or not with Rcpp data structures.
|
| By now we have said about 1e4 times that Rcpp data structures are ("no
| copies") whereas other (ie Boost, STL, ...) data structures generally need
| copies.
|
| I have no idea what that means. I just know its very easy for me to figure out
| when things are copied using STL. Not so much with Rcpp.
In the editing process I dropped a 'proxies' -- sorry. Let's try again:
By now we have said about 1e4 times that Rcpp data structures are proxy
objects ("no copies") whereas other (ie Boost, STL, ...) data structures
generally need copies.
Dirk
--
http://dirk.eddelbuettel.com | @eddelbuettel | [email protected]
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