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[Rcpp-devel] [rcpp-devel] arma::mat constructor vs Rcpp::as and interaction with .insert_col

Dirk Eddelbuettel
On 12 April 2013 at 07:34, Dale Smith wrote:
| I did indeed read about the constructor but misinterpreted the statement - my bad. Your suggestion is a good one to try so I will benchmark my RESET test code with the various suggestions, including join as Dirk suggested.

Conrad's suggestion was (of course) even better because once you declare the
memory chunk you access as modifiable, you should be able to extend as you
had attempted, without forcing a copy (as I did with either approach).

Dirk

Thread (8 messages)

Dale Smith arma::mat constructor vs Rcpp::as and interaction with .insert_col Apr 11 Dirk Eddelbuettel arma::mat constructor vs Rcpp::as and interaction with .insert_col Apr 11 Dirk Eddelbuettel arma::mat constructor vs Rcpp::as and interaction with .insert_col Apr 11 Conrad S arma::mat constructor vs Rcpp::as and interaction with .insert_col Apr 11 Dale Smith arma::mat constructor vs Rcpp::as and interaction with .insert_col Apr 12 Dale Smith arma::mat constructor vs Rcpp::as and interaction with .insert_col Apr 12 Dirk Eddelbuettel arma::mat constructor vs Rcpp::as and interaction with .insert_col Apr 12 Dale Smith arma::mat constructor vs Rcpp::as and interaction with .insert_col Apr 14