Re: [Rcpp-devel] Grid Search in RcppParallel

2014-10-05 Thread JJ Allaire
For executing R code in parallel you you may want to take a look at multicore (part of the parallel package built in to R). On Sun, Oct 5, 2014 at 1:51 AM, Jeffrey Wong wrote: > I am trying to use RcppParallel to do a fast grid search. The idea is to > construct a matrix using R's expand.grid, t

Re: [Rcpp-devel] Grid Search in RcppParallel

2014-10-04 Thread Romain Francois
Envoyé de mon iPhone > Le 5 oct. 2014 à 07:51, Jeffrey Wong a écrit : > > I am trying to use RcppParallel to do a fast grid search. The idea is to > construct a matrix using R's expand.grid, then for each row of that matrix, > x, call f(x). For simplicity the function f will always return a

[Rcpp-devel] Grid Search in RcppParallel

2014-10-04 Thread Jeffrey Wong
I am trying to use RcppParallel to do a fast grid search. The idea is to construct a matrix using R's expand.grid, then for each row of that matrix, x, call f(x). For simplicity the function f will always return a double. Since Rcpp can call an R function I was hoping RcppParallel would allow me