--nsize and --vsize

Prof Brian Ripley Prof Brian Ripley <ripley@stats.ox.ac.uk>
Mon, 12 Apr 1999 16:50:03 +0100 (BST)

> To: Prof Brian Ripley <ripley@stats.ox.ac.uk>
> Cc: R-devel@stat.math.ethz.ch
> Subject: Re: --nsize and --vsize
> From: Douglas Bates <bates@stat.wisc.edu>
> Date: 12 Apr 1999 09:17:33 -0500
> I would agree that:
>  - it is reasonable to increase the default vsize and nsize
>  - the default sizes should probably be architecture dependent
>  - If possible, the default sizes should also be picked up from
>    ${HOME}/.Renviron.  For example, look for R_VSIZE and R_NSIZE
>    environment variables and use them
> I think that 16M for vsize and 800k for nsize could be good global
> defaults on many architectures.

But not I think for multi-user machines. That is 35Mb allocated (on Solaris)
and I would not want our students taking 35Mb for each R job, as the
current memory management really needs most of it resident. About half
that would be tolerable, hence my original figures.  We would like them 
to use perhaps 50Mb in total.

Also, that is too much for 64Mb Windows NT machines, and that is 
high-end for teaching labs.

Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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