[R-sig-hpc] Rmpi long vector support

[Simon Urbanek]

On Aug 8, 2013, at 10:58 AM, Jim Gattiker <j.gattiker at gmail.com> wrote:

> Simon, I don't understand this either: It seems that R is commonly indexed
> by 32-bit pointers, and mine certainly is on my Mac.

Nope, since R 3.0.0 we use 64-bit binaries on Mac OS X:

$ R
R version 3.0.1 Patched (2013-07-15 r63328) -- "Good Sport"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: x86_64-apple-darwin10.8.0 (64-bit)
[...]
> .Machine$sizeof.pointer
[1] 8


> I'll get the message
> above also, as did the OP; that was the direct problem. How do I get "52
> bit" R?
> 

http://cran.r-project.org/bin/macosx/

Cheers,
Simon


>    --j
> 
> On Wed, Aug 7, 2013 at 7:42 PM, Hao Yu <hyu at stats.uwo.ca> wrote:
> 
>> ....
>> However, on a win7 64 with R 3.0.1 (16GB ram), I got
>>> n=6e8
>>> x=integer(n)
>>> a=serialize(x,NULL)
>> Error: long vectors not supported yet: ../include/Rinlinefuns.h:100
>> 
> 
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