[R] OS X binary: 32 or 64-bit?

[Charles C. Berry]

Robert,

If you downloaded the binary from CRAN, it uses a 32-bit address space.

Here are some links that may help with getting a 64-bit build:

 	http://article.gmane.org/gmane.comp.lang.r.mac/2226
 	http://r.research.att.com/

Also, there is a list for MACs

 	https://stat.ethz.ch/mailman/listinfo/r-sig-mac

HTH,

Chuck

On Thu, 10 Jan 2008, Robert Terwilliger wrote:

> Dear R Experts,
>
> I am using R.app (the Mac OS X binary) for neuroimage analysis, so I
> am loading in some large image files. I get the following error in the
> middle of my script:
>
>> source("3dLME.R")
> Read 1 record
> Read 1 record
> Read 1 record
> Read 1 record
> Read 1 record
> Error: cannot allocate vector of size 3.1 Gb
> R(2081,0xa000d000) malloc: *** vm_allocate(size=3321675776) failed
> (error code=3)
> R(2081,0xa000d000) malloc: *** error: can't allocate region
> R(2081,0xa000d000) malloc: *** set a breakpoint in szone_error to debug
> R(2081,0xa000d000) malloc: *** vm_allocate(size=3321675776) failed
> (error code=3)
> R(2081,0xa000d000) malloc: *** error: can't allocate region
> R(2081,0xa000d000) malloc: *** set a breakpoint in szone_error to debug
>
> My Mac is 64-bit, however, I'm wondering if R is compiled as a 32-bit app?
>
> Many thanks,
>
> Robert Terwilliger
>
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Charles C. Berry                            (858) 534-2098
                                             Dept of Family/Preventive Medicine
E mailto:cberry at tajo.ucsd.edu	            UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/  La Jolla, San Diego 92093-0901