MathGroup Archive 1999

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ReadList in version 3.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg17070] ReadList in version 3.0
  • From: Russell Towle <rustybel at foothill.net>
  • Date: Fri, 23 Apr 1999 02:32:09 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

I have a function in version 2.2 which reads U.S.G.S. DEM elevation data
and makes contour maps, etc.

Recently I upgraded to version 3.01 for the Macintosh. On my old and kind
of clunky PowerMac, to read a 1 MB DEM file into a Mathematica list takes 21
seconds in version 2.2. But in version 3.01 it takes 200 seconds!!!

What is going on?

Russell Towle
P.O. Box 141
Dutch Flat, California 95714
------------------------------
Voice:  (530) 389-2872
e-mail:  rustybel at foothill.net
------------------------------




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