[R] R on Linux, and R on Windows , any difference in maturity+stability?

David M Smith david at revolution-computing.com
Tue Oct 6 19:43:09 CEST 2009

On Tue, Oct 6, 2009 at 10:30 AM, Duncan Murdoch <murdoch at stats.uwo.ca> wrote:
> When running a 32 bit program, 64 bit Windows hides most of itself outside
> the address space visible to the program, so almost all of the 4 Gb address
> space is available to the user.  But no more: no matter how much RAM you
> install, it's not possible to address it using a 32 bit address.

That's true when running a 32-bit version of R under 64-bit Windows.
But on the 64-bit version of REvolution R Enterprise for Windows, you
can create objects much larger than 4Gb, for example:

> memory.limit(2e+9)
> v<-double(1e+9) # 8GB vector
> sum(v)
[1] 0

The same is true of 64-bit versions of R on other platforms, too.

# David Smith

David M Smith <david at revolution-computing.com>
Director of Community, REvolution Computing www.revolution-computing.com
Tel: +1 (206) 577-4778 x3203 (San Francisco, USA)

Check out our upcoming events schedule at www.revolution-computing.com/events

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