On Wed, 31 Aug 2005, Duncan Murdoch wrote:
Milton Lopez wrote:
Duncan:
Thanks for your reply. Not being a part of the R world and having to assist with these
purchases, I have to ask what "not yet" means. I realize that this is a
difficult question to answer even for commercial software, but I am hoping you or someone
else on the list may shed some additional light on the subject.
I would say it will be at least a year, and most likely longer. The
tools used to build R haven't been ported to 64 bit Windows yet. After
those are done (by the MinGW project, not us), we'll need someone with a
64 bit Windows machine to handle builds there.
Duncan Murdoch
An additional factor is that MinGW will almost certainly follow the MS
idea that long's are 4 bytes even under Win64, unlike what every other
64-bit OS does. It will take a fair bit of time and someonw with the
motivation to do so to sort out the consequences (which may not be
very great but even establishing that may be non-trivial).
luke
Thanks in advance.
Milton F. López
IT Guy
Inter-American Tuna Commission (IATTC)
8604 La Jolla Shores Drive
La Jolla, CA 92037
Tel: (858) 546-7041, Fax: (858) 546-7133
[EMAIL PROTECTED]
http://www.iattc.org
-----Original Message-----
From: Duncan Murdoch [mailto:[EMAIL PROTECTED]
Sent: Tuesday, August 30, 2005 5:39 PM
To: Milton Lopez
Cc: r-devel@r-project.org
Subject: Re: [Rd] 64 bit R for Windows
Milton Lopez wrote:
I am assisting in the purchase of 64-bit Windows XP system for researchers who
run R. These systems will have AMD Opteron processors and at least 4GB of RAM.
I'd appreciate advice on whether there is a working version of R that can take
full advantage of such systems.
No, there are no 64 bit Windows versions yet. You'll need to install
some 64 bit version of Linux on those machines to take full advantage of
the chips.
Duncan Murdoch
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Luke Tierney
Chair, Statistics and Actuarial Science
Ralph E. Wareham Professor of Mathematical Sciences
University of Iowa Phone: 319-335-3386
Department of Statistics and Fax: 319-335-3017
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