[Rcpp-devel] Have I noticed memory management bug in RcppArmadillo or is this the intended behaviour?

[Dirk Eddelbuettel]

On 28 October 2011 at 15:14, Slava Razbash wrote:
| > i)   Without reproducible code, there is very little we can say here.
| Here is mycode, I have "learningMatrix.h" and "learningMatrix.cpp":
| ///Header file:
| 
| #ifndef _mypac_LEARNING_MATRIX_H
| #define _mypac_LEARNING_MATRIX_H
| 
| #include <RcppArmadillo.h>
| 
| RcppExport SEXP fastLm(SEXP ys, SEXP Xs) ;
| 
| #endif
| 
| 
| ///Source file:
| 
| #include "learningMatrix.h"
| 
| SEXP fastLm(SEXP ys, SEXP Xs) {
| 
|     return R_NilValue;
| }

i)  Not reproducible as I don't have 'learningMatrix.h'.  

ii) What is baseline function and how do you measure memory use?
    Just by looking at top(1) ?

| > ii)  See the 'Writing R Extensions' manual and the hints about valgrid, if you
| >     really suspect leakage valgrind normally finds it.
| 
| I'll take a look at valgrind now.

It is a great tool but not the easiest to use. Output can be a little
baffling at first, especially with large complex programs like R.

Dirk

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