MathGroup Archive 2004

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Use of large memory

  • To: mathgroup at
  • Subject: [mg50412] Use of large memory
  • From: Gerry Flanagan <flanagan at>
  • Date: Thu, 2 Sep 2004 04:34:47 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

I was running into memory limits for a large numerical problem in V5.0. The 
fastest fix (I thought) was to get a large amount of RAM. We purchased a 
Pentium 4 machine running XP, with 4GB of memory. I built a test function 
that progressively uses more memory and prints MemoryUsed[]. Every time I 
get to just under 2GB of memory, I get the out-of-memory error from the 
kernal. There's nothing else running, and task manager says there's plenty 
left. Has anyone found some Windows XP tweak that allows Mathematica to use 
what's available? Would this all work better in Linux?

Gerry Flanagan

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