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Re: Re: Hardware question

  • To: mathgroup at
  • Subject: [mg60359] Re: [mg60317] Re: Hardware question
  • From: János <janos.lobb at>
  • Date: Wed, 14 Sep 2005 03:27:24 -0400 (EDT)
  • References: <dfp4ca$icf$> <dfrg7q$fol$> <>
  • Sender: owner-wri-mathgroup at

Apple's G5 can take and use 8GB.

On Sep 13, 2005, at 6:06 AM, Ronald Bruck wrote:

> In article <dfrg7q$fol$1 at>, David Bailey
> <dave at> wrote:
>> Manuel Schmidt wrote:
>>> Hello,
>>> does somebody know, what hardware is best for a huge mathematica
>>> calculation, that needs lots of memory?
>>> I think of minimum 8GB memory and the fastest possible processors
>>> (probably opterons???).
>>> However, it should be a personal computer.
>>> Is it better to run it under Linux or Windows?
>>> Thanks,
>>> Manuel Schmidt
>> Hello,
>> Really, that is equivalent to the question "How long is a piece of  
>> string".
>> One thing that is important is that if you are going to get 8GB of
>> memory, you must make sure you install the 64-bit version of  
>> Windows (or
>> whatever) and the 64-bit version of Mathematica - otherwise, most of
>> that memory will just sit there idle.
>> I would tend to go for Opterons, if only because AMD took a big  
>> risk in
>> introducing a rational 64-bit architecture and forcing Intel to  
>> follow
>> them - they deserve to get the business!
>> Before spending a lot of money, it may be worth getting someone to  
>> look
>> at your code because it is very easy to write Mathematica code that
>> works, but is horrendously inefficient.
> How long--and how wide :-)
> I have the fastest AMD chip in existence, the FX-55 (unless the FX-57
> is now available), but I couldn't find a mother board that could take
> more than 4GB of RAM.  (And if I put that much in, it would only see
> 3GB of it--a limitation of the bridge chip.)
> Also, does even Linux x86-64 allow 8GB without tweaking?
> --Ron Bruck

Trying to argue with a politician is like lifting up the head of a  
(S. Lem: His Master Voice)

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