[R] Does R work in 64 bit on apple G5?

Thomas Lumley tlumley at u.washington.edu
Wed Mar 23 18:44:43 CET 2005


On Wed, 23 Mar 2005, David Ruau wrote:

> Hi,
>
> I am working with R on 2xG5 1.8Ghz from Apple under 10.3.8
> The G5 chip is 64 bits but does R run in 64 bit or 32 under OS X?
> How can know?
> I think it run in 32 bits... but not sure...

Under the current OS X it runs 32bit.  You can tell by looking at
      .Machine$sizeof.pointer
which is 4.

The next version of OS X is advertised as having full 64bit support so 
this limitation will go away then.

 	-thomas




More information about the R-help mailing list