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Subject: Re: Why no 64-bit support for Mac OS?
Date: Wed, 16 Jan 2008 12:02:02 +0000 (UTC)
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Dear Brian,
I am also eagerly looking forward to a 64-bit version of Matlab for Leopard 
on Mac/Intel. So please keep up the good work! It would nicely complement 
the recent release of the new Mac Pro. Thanks for keeping us posted.
Go Brian!
Laurent




"Alex " <a.brandmeyer@email.com> wrote in message 
<fmf8cm$9j9$1@fred.mathworks.com>...
> Hello,
> 
> Will there be a 64-bit version of OS X Matlab with R2008a? 
> 
> For our research group, the main interest comes from the
> hope that memory limitations will be improved with a 64-bit
> OS X version.
> 
> Best,
> Alex Brandmeyer
> 
> Brian Arnold <barnold@mathworks.com> wrote in message
> <47863DB3.4040708@mathworks.com>...
> > Hi Sridhar,
> > 
> > This is what I posted to this newsgroup on December 17,
> 2007, in 
> > response to the same question:
> > 
> > Hi,
> > 
> > We appreciate all of the interest in having a native 64-bit 
> > implementation on OS X 10.5 Leopard, and we would like to
> share more 
> > specific information regarding availability.
> > 
> > We have been investigating Mac 64-bit support for quite
> some time, and 
> > with Leopard's release, we now have many elements reaching
> a ready state.
> > 
> > Leopard is the first OS X release to have 64-bit libraries
> "top to 
> > bottom" (Tiger 10.4 only had 64-bit support in the BSD
> Unix layer, 
> > limiting 64-bit support to non-UI tools and engines). 
> However, 
> > Leopard's Java, which is used heavily by MATLAB Desktop
> and many 
> > Toolboxes including SimBiology and Distributed Computing
> Toolbox, is 
> > only 64-bit on Intel-based Macs, so any 64-bit support we
> would develop 
> > will require Intel.  Also, TrollTech Qt, which is used
> heavily by 
> > Simulink, is not yet available 64-bit for Leopard. This
> means we may 
> > need to stage 64-bit support, or have a limited
> MATLAB-only beta.
> > 
> > In the meantime, here is some publicly available
> information that you 
> > can use to get ready for a 64-bit product:
> > 
> > Intel-based and 64-bit-capable hardware and OS X 10.5
> Leopard will be 
> > required to run 64-bit MathWorks software. Not all
> PowerPCs and not all 
> > Intel-based Macs are 64-bit-capable. Currently, only the
> PowerPC G5, 
> > Intel Core 2 Duo or Xeon processors support 64-bit; so,
> the PowerPC G4, 
> > G3 and original Intel Core Duo or Core Solo processors
> won't be able to 
> > run 64-bit applications.
> > 
> > Stay tuned for information, your enthusiasm and your
> patience are both 
> > greatly appreciated.
> > 
> > Thanks,
> > 
> > Brian
> > Mac Developer
> > The MathWorks, Inc.
> > 
> > Sridhar Mahadevan wrote:
> > > It seems a bit surprising, given that 64-bit support is 
> > > enabled for Windows (XP and Vista) as well as for Linux. 
> > > 
> > > They are all running on the same processors these days. 
> > > Also, Mac OS X is based on a Unix kernel, so if Linux 64-
> > > bit support is available, why not for Mac OS?
> > > 
> > > Can we expect 64-bit support for the Mac platform in the 
> > > next release(s)?
> > > 
> > > - Sridhar
> > > 
>