Aha. Thanks Jim you rock. So my system is probably hitting that upper limit of 2-3GB (a 32 bit issue I assume). Looks like I need to go 64 bit.
BTW, --max-mem-size looks like a command line command. Can I execute something similar from within .Rprofile so that it does this each time I start R? Thanks again for your help, Johan Jackson On 11/5/07, jim holtman <[EMAIL PROTECTED]> wrote: > Even when it does start using virtual memory (which you never want it > to do from a performance standpoint), there is still the physical > limitation (e.g., a 2-3GB on Windows depending on how you have it > configured) that you can not exceed. Also the maximum memory is set > to: > > --max-mem-size=N > (Windows only) Specify a limit for the amount of memory to be used > both for R objects and working areas. This is set by default to the > smaller of 1.5Gb24 and the amount of physical RAM in the machine, and > must be between 32Mb and 3Gb. > > This is a parameter on the startup command. On my machine I have 2GB > and let it default to 1.5GB. This number should be less than the > physical memory on your system. This is what is "runs out of". > > > > On 11/5/07, Johan Jackson <[EMAIL PROTECTED]> wrote: > > Hi all, > > > > R newbie, but have been reading the boards and learning lots. I have > > read all documents & list-serve responses I could about R and memory > > but still no answer. > > > > QUESTION: > > > > When the sizes of your objects exceeds your available RAM, R switches > > to Virtual Memory right? If so, why does it so often run out of memory > > and return an "unable to allocate XXX KB" error shortly after > > switching to virtual memory when there is PLENTY of virtual memory to > > be had (I think)? > > > > I have noticed this on both my mac and my pc, so it doesn't seem to be > > OS specific. > > > > Any help in understanding this would be most appreciated! > > > > > > - J Jackson > > > > ______________________________________________ > > 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. > > > > > -- > Jim Holtman > Cincinnati, OH > +1 513 646 9390 > > What is the problem you are trying to solve? > ______________________________________________ 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.
