[Rcpp-devel] RcppEigen needs 1GB memory to compile

Dirk Eddelbuettel edd at debian.org
Mon Dec 2 21:20:54 CET 2013

On 2 December 2013 at 13:52, Douglas Bates wrote:
| The important thing is to use the -g0 flag.  Even though RcppEigen is  a


And for the opencpu server deployment, you may want to edit the -g out
/etc/R/Makeconf as well. As I recall, there was an r-devel thread in which
the desire to override such 'earlier' settings in what R CMD ... uses via
later settings, and as I recall Simon stated that it couldn not be done.

| header-only package we include an example R function fastlm. If you leave the
| symbols in the DLL file you get a massive library size whereas stripping the
| symbols provides you with a much smaller file size.  And because packages that
| use RcppEigen only use the headers, not the DLL file, it doesn't matter if the
| symbols are stripped.

Do you think we should move fastLm out?


| On Mon, Dec 2, 2013 at 1:31 PM, Dirk Eddelbuettel <edd at debian.org> wrote:
|     On 2 December 2013 at 11:17, Jeroen Ooms wrote:
|     | I noticed that RcppEigen fails to install on my servers because it
|     requires
|     | more than 1gb of memory to compile. Is this expected? Are there any flags
|     or
|     Yes. It also falls over on R-Forge.
|     | options I could set to trade of some memory for cpu? A short simulation:
|     I have had to resort to similar tricks on some smaller architecture when
|     autobuilding demanding Debian packages.  Try -O0 -g0 for a start.
|     Or if you need a smile, this still holds:
|       http://dilbert.com/strips/comic/1995-06-24/
|     Dirk
|     --
|     Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com
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Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com

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