On Sep 14, 2010, at 9:09 AM, John1983 wrote: > > Hi, > > I am working with a file (900MB in size) that has around 10 million records > (in particular FASTQ records). > I am able to read in the file as an object of BStringSet. When I start to > manipulate the data, after almost 4 hours, I get the error message as Error: > cannot allocate vector of size X.0 Mb (where X was once 160MB and then > 180MB). > > The R version used is 2.11.1. I am not sure how to check if this is 64-bit > or not so that I can use >4GB of RAM. I typed 'version' at the R prompt and > see this: > platform x86_64-unknown-linux-gnu > arch x86_64 > os linux-gnu > system x86_64, linux-gnu. > Does this mean it is already a 64-bit version of R I use? > > Please advice.
In an R session, see what the result of: .Machine$sizeof.pointer gets you. If it returns 4, you are using 32 bit R and you will need to install 64 bit R. If it returns 8, you are using 64 bit R. The information above only tells us/you that you are running a 64 bit OS. HTH, Marc Schwartz ______________________________________________ R-help@r-project.org 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.
