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MathGroup Archive 2005

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Re: Slow performance on OS X?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg56616] Re: Slow performance on OS X?
  • From: Kenneth Bowman <k-bowman at null.tamu.edu>
  • Date: Sat, 30 Apr 2005 01:27:32 -0400 (EDT)
  • Organization: Texas A&M University
  • References: <d4q1mb$og1$1@smc.vnet.net> <d4so1c$abo$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

In article <d4so1c$abo$1 at smc.vnet.net>, "ragfield" <ragfield at gmail.com> wrote:

> > 2.5 GHz, dual-processor G5 with 2 GB of RAM and OS X 10.3.9
> 
> I have the exact same machine you describe and I have never seen
> problems like this (at least 5.0 & 5.1, I don't have 4.1.5 or 4.2
> handy).  Try quitting & moving your ~/Library/Mathematica folder to
> your desktop to see if the problem still happens.  

Thanks for the suggestion, but that didn't help.

> Look at the CPU usage with the 'top' command or
> /Applications/Utilities/ActivityMonitor.app.  Does Mathematica use
> excessive amounts of CPU time?

No.  CPU usage remains minimal.  It takes 45-60 seconds for Mathematica to 
start, during which time Activity Monitor frequently shows the process as 
"hung".  Opening a short, 3-line Mathematica file takes about 20 seconds.
 This is on a nearly new system.  I don't have slow-downs with any other apps.

Ken Bowman


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