[R] 64-bit R on OS X/G5?

[Liaw, Andy]

> From: Prof Brian Ripley
> 
> R works on 64-bit platforms and has for quite a while, 
> currently I know of 
> people using machines with 16Gb RAM on 64-bit platforms 
> (Alpha, Sparc, 
> AMD64).

I guess you could add AIX to that list, although not without pain (no
readline because the readline installed on that system is 32-bit).  If I'm
not mistaken, 64-bit R on Irix has also been done.

Best,
Andy
 
> Do you have a full 64-bit compiler and runtime for MacOS X?  
> If so `all'
> you need to do is to run compile under it.  One quote I picked up was
> 
> 	macos X has 64 bit support with gcc 3.3 and a g5
> 
> which if correct suggests this is possible.
> 
> On Wed, 16 Jun 2004, Anders Sjögren wrote:
> 
> > Hi!
> > 
> > Does anyone know if there is a working 64-bit version of R 
> for MacOs X 
> > on G5? If so, is there a memory limit anyway or could I 
> theroetically 
> > use almost 8 GB in one session?
> 
> There is of course a memory limit but it far exceeds 8GB.  There is a 
> limit on the length of vectors still (2^31 - 1) and a few 
> other similar 
> limits.
> 
> -- 
> Brian D. Ripley,                  ripley at 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 272866 (PA)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595
> 
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