[Rcpp-devel] segfault on exit CRAN+Intel only

Hi A couple of days ago I posted on R-package-devel about a mysterious segfault from R CMD checks of my package secrdesign (see https://CRAN.R-project.org/package=secrdesign, and https://github.com/MurrayEfford/secrdesign) The issue rises only on CRAN and only with the Intel(R) oneAPI DPC++/C++

Re: [Rcpp-devel] RcppArmadillo with -fopenmp: Not using all available cores

Hi Robin, On 2 March 2024 at 16:34, Robin Liu wrote: | sessionInfo() was the right clue. Indeed the version of R on machine B was not | linked to OpenBLAS. Switching to a version with OpenBLAS allows the test code | to use all cores. | | A clear way to check which library is linked is to run

Re: [Rcpp-devel] Segfault in wrapping code in Rcpp

Hi Nikhil, Don't post images. I read in a text-based reader. The mailing list software also scrubs html (I think). I would simplify. Start with the simplest Rcpp Modules setup. Then add. Check checking. Eventually on your way towards what you are doing now you may spot the error. Hope this

Re: [Rcpp-devel] RcppArmadillo with -fopenmp: Not using all available cores

Hi Dirk, sessionInfo() was the right clue. Indeed the version of R on machine B was not linked to OpenBLAS. Switching to a version with OpenBLAS allows the test code to use all cores. A clear way to check which library is linked is to run the following: > extSoftVersion()["BLAS"] Thanks for