Do ?"Memory-limits"
and then look at ?memory.limit I have an icon that starts R and have that as the command line parameter. You should be able to set that up. You should be able to use memory.limit(2000) # set limit to 2GB in .Rprofile. On 11/5/07, Johan Jackson <[EMAIL PROTECTED]> wrote: > 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? > > > -- 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.
