[Rd] Passing a large array to .Call by reference

Dirk Eddelbuettel edd at debian.org
Tue Jan 14 03:26:54 CET 2014

On 14 January 2014 at 02:02, Boris Aronshtam wrote:
| I need to pass a large array to my C function. I am using .Call(). I can clearly see according to the memory consumption (reported by gc()) that the array is duplicated. Is there a way to avoid this duplication and pass the array by reference?

Staring at gc() is at approximate at best. 

R has memory profiling, see Writing R Extensions for how to use it.

There is no code in your post, so not much else I can comment on.


Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com

More information about the R-devel mailing list