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MathGroup Archive 2006

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Re: Re: Performance comparison Mac OSX vs. Windows XP

  • To: mathgroup at smc.vnet.net
  • Subject: [mg69996] Re: [mg69975] Re: Performance comparison Mac OSX vs. Windows XP
  • From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
  • Date: Fri, 29 Sep 2006 06:48:39 -0400 (EDT)
  • References: <efdkcl$st$1@smc.vnet.net> <200609281016.GAA25773@smc.vnet.net>

I would speculate that Mathematica 5.2 PowerPC kernel was simply re- 
compiled for Intel Macs without any, or with only minimal, additional  
optimisation. If so, then probably you will have to wait for the next  
version before making a "fair" comparison.

Andrzej Kozlowski


On 28 Sep 2006, at 19:16, Blackadder wrote:

> Chris pointed out that I didn't give enough hardware specs for my
> MacBook to answer the question. Here we go:
>
>   Dell Latitude 505:  263.44 secs
>     1.6 Ghz Intel Pentium M (Centrino)
>     512 MB DDR RAM
>> 20 GB free space on 4200 rpm hdd
>
>   MacBook Pro 17":  402,18 secs
>     2.16 Ghz Intel Core Duo
>     2 GB DDR2 RAM
>> 20 GB free space on 5400 rpm hdd
>
>
> The computations do not involve any graphics output, so the video
> adapter should not be relevant. I checked hardware resource allocation
> on both systems by using some freeware system information software.
> Both systems run at highest cpu frequencies, Mathematica uses only one
> cpu core for computation on the MacBook Pro. Nonetheless, I  
> expected at
> least 25 % faster performance on the MacBook, not 40 % slower.
>
> Can anybody give more information on this?
>
> Bye, Malte.
>


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