[R] Memory/data -last time I promise
maechler at stat.math.ethz.ch
Wed Jul 25 12:26:02 CEST 2001
>>>>> "Agustin" == Agustin Lobo <alobo at ija.csic.es> writes:
Agustin> On Tue, 24 Jul 2001, Prof Brian Ripley wrote:
BDR> The main problem I see is that your machine seems unable to
BDR> allocate more than about 450Mb to R, and it has surprisingly
BDR> little swap space. (This 512Mb Linux machine has 1Gb of swap
BDR> allocated, and happily allocates 800Mb to R when needed.)
Agustin> Well, this rises an interesting point for me: are there
Agustin> advices on how to configure a particular system for best R
Agustin> performance with large datasets? I've looked into the R system
Agustin> guide and could not find anything (that document is a bit
Agustin> obscure for me, must recognize).
which document? There's no ``R system guide''
Agustin> Do you get the 800 Mb by starting R with a particular option?
no; Brian said ``when needed'' which means that R allocates memory (almost
always) when it needs it.
Agustin> (BTW, I do not remember how much swap I defined for my linux
Agustin> system, how could I check that?. Excuses for the not-R question)
Martin Maechler <maechler at stat.math.ethz.ch> http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum LEO D10 Leonhardstr. 27
ETH (Federal Inst. Technology) 8092 Zurich SWITZERLAND
phone: x-41-1-632-3408 fax: ...-1228 <><
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