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MathGroup Archive 2006

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Re: "No more memory available" -- a recurring problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg68450] Re: "No more memory available" -- a recurring problem
  • From: Bill Rowe <readnewsciv at earthlink.net>
  • Date: Sat, 5 Aug 2006 03:46:54 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

On 8/4/06 at 3:59 AM, cbrummitt at wisc.edu (Charlie Brummitt) wrote:

>I took my MacBook Pro into the university computer support & repair
>office, and they concluded that the RAM is fine and that it probably is
>not a hardware problem. I ran memtest (www.memtestosx.org/) on the new
>memory stick alone (it's from OMNI Technology) and found no errors.

>That leaves me with three possibilities:

>1) my code can simply be too difficult for a personal computer and some
>sort of grid or supercomputer is required 

>2) there is a bug in Mathematica, in the act of porting Mathematica to
>Intel (i.e. to being universal), or in OSX which causes memory failures
>even when there is plenty of memory and virtual memory available 

>3) my code is poorly written and needs radical change. 

You might try posting some of the code here. With the code, someone might be able to offer suggestions as to a work around, or at the very least give you an indication of which of the three possibilities above is most likely. Of course if your problem is so complex that it literally requires a few 100 lines of code, it is most likely not going to get much response nor is it really feasible to post such large code listings here.
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