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Passing a large array to .Call by reference

Dirk Eddelbuettel
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

Thread (3 messages)

Boris Aronshtam Passing a large array to .Call by reference Jan 13 Dirk Eddelbuettel Passing a large array to .Call by reference Jan 13 Boris Aronshtam Passing a large array to .Call by reference Jan 14