Path: news.mathworks.com!not-for-mail
From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Installing Matlab on a new PC, 64 bit or 32bit?
Date: Sat, 28 Feb 2009 09:44:01 +0000 (UTC)
Organization: FOGALE nanotech
Lines: 15
Message-ID: <gob111$hht$1@fred.mathworks.com>
References: <eddc3833-bb12-4e65-ab9a-441d974245ff@k19g2000prh.googlegroups.com>
Reply-To: "Bruno Luong" <b.luong@fogale.findmycountry>
NNTP-Posting-Host: webapp-03-blr.mathworks.com
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 8bit
X-Trace: fred.mathworks.com 1235814241 17981 172.30.248.38 (28 Feb 2009 09:44:01 GMT)
X-Complaints-To: news@mathworks.com
NNTP-Posting-Date: Sat, 28 Feb 2009 09:44:01 +0000 (UTC)
X-Newsreader: MATLAB Central Newsreader 390839
Xref: news.mathworks.com comp.soft-sys.matlab:521479


Luna Moon <lunamoonmoon@gmail.com> wrote in message <eddc3833-bb12-4e65-ab9a-441d974245ff@k19g2000prh.googlegroups.com>...
> New Dell PC, Intel Quad Core 2.66GHz, 4GB RAM memory,
> 
> Shall I install the 64 bit version of Matlab , or the 32bit version?
> 
> Suppose my ultimate goal is the computational speed...?
> 
> Do I have to get another 4GB RAM to maximize its performance?
> 

It depends on your application. If you need to create large matrix, then it is better to use 64 bit. Otherwise 32 bit is OK.

Don't forget you might get a headeach trying to setup a correct configuration for compiling 64 bits mex or mcc.

Bruno