[ESS] how to make ESS open 64-bit R instead of 32-bit R?

[Kevin Coombes]

Hi,

Since I have complained about this in the past (and I think helped at 
least a  little to get it solved), I think the answer is simple: upgrade 
your version of ESS to something newer. I am running ESS 15.09-2, which 
opens the 64-bit version by default.  It also provide other functions to 
open the 32-bit versions for those times when you might want them for 
some reason.

And according to the change history, this feature was introduced in ESS 
15.03-1.

Best,
   Kevin

On 3/21/2016 4:45 PM, Christopher W. Ryan wrote:
> I'm running:
> Windows 7 Professional, Service Pack 1
> on a 64-bit machine
> R 3.2.3
> emacs 24.3.1
> ESS 13.0.9
>
> The first part of my environment PATH reads like this:
> C:\Program Files\R;C:\Program Files
> (x86)\ImageMagick-6.8.9-Q16;C:\Windows\system32;C:\Windows; . . . .
> and nothing about R appears anywhere else in my path.
>
> My user path reads like this:
> C:\Program Files\R;C:\Users\ryanc\AppData\Local\Pandoc\
>
> When I open an .R or .Rnw file and execute a line of code, ESS opens up
> my 32-bit version of R.  Usually that has been fine, but now I have
> projects that need higher memory.limit(). I'd like my 64-bit version to
> open instead.  How can I accomplish that?
>
> Thanks.
>
> --Chris
>


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