On Tue, Feb 28, 2012 at 11:57 AM, Sam Steingold <s...@gnu.org> wrote: > My basic worry is that the GC does not work properly, > i.e., the unreachable data is never collected.
Highly unlikely. Such basic inner R code has been well tested over 20 years. I believe that you merely don't understand the inner guts of what R is doing here, which is the essence of my response. (Clearly, I make no claim that I do either). I suggest you move on. -- Bert > >> * Bert Gunter <thagre.ore...@trar.pbz> [2012-02-27 14:35:14 -0800]: >> >> This appears to be the sort of query that (with apologies to other R >> gurus) only Brian Ripley or Luke Tierney could figure out. R generally >> passes by value into function calls (but not *always*), so often >> multiple copies of objects are made during the course of calls. I >> would speculate that this is what might be going on below -- maybe >> even that's what you meant. >> >> Just a guess on my part, of course, so treat accordingly. >> >> -- Bert >> >> On Mon, Feb 27, 2012 at 1:03 PM, Sam Steingold <s...@gnu.org> wrote: >>> It appears that the intermediate data in functions is never GCed even >>> after the return from the function call. >>> R's RSS is 4 Gb (after a gc()) and >>> >>> sum(unlist(lapply(lapply(ls(),get),object.size))) >>> [1] 1009496520 >>> >>> (less than 1 GB) >>> >>> how do I figure out where the 3GB of uncollected garbage is hiding? > > -- > Sam Steingold (http://sds.podval.org/) on Ubuntu 11.10 (oneiric) X > 11.0.11004000 > http://www.childpsy.net/ http://jihadwatch.org http://memri.org > http://palestinefacts.org http://truepeace.org http://iris.org.il > I may be getting older, but I refuse to grow up! -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ 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.
