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MathGroup Archive 2004

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RE: Re: Re: 64 bit cpu and Mathematica on windows.

  • To: mathgroup at
  • Subject: [mg52243] RE: [mg52234] Re: [mg52223] Re: [mg52218] 64 bit cpu and Mathematica on windows.
  • From: "Melko, Mike" <Mike.Melko at>
  • Date: Wed, 17 Nov 2004 02:20:11 -0500 (EST)
  • Sender: owner-wri-mathgroup at

I just bought a premier subscription/upgrade, and asked a sales
representative some questions about this, because I'm toying with the
idea of get a dual Opteron. I was told that the current release of
Mathematica supports 64 bit on Linux, but is a "Class B" license (which
is more expensive). In the next release (5.1, due out any day now), the
64-bit version will be reclassified as "Class A".

The news release referred to below, which specifically addresses
optimization for Linux on AMD 64, states that "Mathematica 5 is among
the first technical computing platforms specifically optimized for the
AMD64 architecture--and it delivers impressive performance. The
optimized Mathematica port outperforms a regular Linux version of
Mathematica on AMD64 systems by up to 50 percent in typical scientific
and technical calculations...". 

I don't think the distro matters, except possibly for testing. Is that
correct? Since I'm likely to get Fedora Core 3, I'll have to find out if
Wolfram has tested it.

Mike Melko

-----Original Message-----
From: Ian Roberts [mailto:mathgroup at] 
To: mathgroup at
Subject: [mg52243] [mg52234] Re: [mg52223] Re: [mg52218] 64 bit cpu and
Mathematica on windows.

WRI advertise Mathematica 5 for AMD64, see: I presume that this is the
"Linux (64 bit optimized) " version . They have checked compatibility
with SUSE Linux Enterprise Server 8 which supports 64 bit technology,
hopefully this means that its OK on SUSE's desktop version; see
So it looks as though a cheap 64 bit Mathematica is possible.
Has anybody done it?

Quantica P/L

DrBob wrote:

>To see any improvement, I think you'll need a 64-bit version of Windows
(not yet released) and a 64-bit version of Mathematica (also not
>On Sun, 14 Nov 2004 20:15:24 -0500 (EST), sean kim
<sean_incali at> wrote:
>>has info on sgi machines
>>will Mathematica run faster on a windows machine with 64 bit cpu?
>>like.. this one.
>>that's only 600 bucks!
>>or dooes wri need to release a new version of Mathematica that is
>>for 64bit windows cpu?
>>thanks for any insights.

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