Le vendredi 09 novembre 2012 à 10:43 +0000, Franckx Laurent a écrit : > Dear all > > I use a 64 bit Windows7 system with 16 GB memory. > I have run an R script in batch mode with the following command: > R CMD BATCH masterassignment_2012_11_09.r --save > The execution was terminated with the following error message: > > Error in memory.size(size) : don't be silly!: your machine > has a 4Gb address limit > > > I never get this error message in an interactive session (and I don't > think I should, taking into account the system). To be sure, I have > just double checked this again in an interactive session, and it works > fine. > > There are two possible explanations I can think of: > a) The command line doesn't "know" the system, i.e. it "thinks" it > works on a 32bit system (is this possible at all?) > b) I run R on a remote desktop, and the command line thinks I am > calling R from my laptop c) When you run "R CMD BATCH", the 32-bit version of R is used, while when you run it interactively, you start the 64-bit version.
To check this, add sessionInfo() to your batch script, and have a look at the output. Hope this helps > Anyway, I wouldn't know how to solve this. > > In case you wonder why I run R in batch mode at all: I have a series > of iterations in my model, each of which is taking huge amount of > memory. Although I regularly impose a garbage collection, after two or > three iterations, R crashes when used interactively. I thought that > running and exiting R after each iteration would be the only effective > way to "clean up" memory. If you have any other solutions, I would be > happy to hear about them as well. > > > > Laurent Franckx, PhD > VITO NV > Boeretang 200, 2400 MOL, Belgium > Tel. + 32 14 33 58 22 > Skype: laurent.franckx > [email protected] > Visit our website: www.vito.be/english and http://www.vito.be/transport > > > > > > > ________________________________ > [http://www.vito.be/e-maildisclaimer/bsds.png] <http://bsds.vito.be> > > VITO Disclaimer: http://www.vito.be/e-maildisclaimer > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
