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MathGroup Archive 2007

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Re: Mathematica v6: Slower in the following fields

  • To: mathgroup at smc.vnet.net
  • Subject: [mg75765] Re: [mg75716] Mathematica v6: Slower in the following fields
  • From: Brett Champion <brettc at wolfram.com>
  • Date: Thu, 10 May 2007 05:10:52 -0400 (EDT)
  • References: <200705090828.EAA13415@smc.vnet.net>

On May 9, 2007, at 3:28 AM , alexxx.magni at gmail.com wrote:

> I installed v6, but had to return to 5.2 since  - for some works I was
> doing - the new version has become unacceptably slow. Now I changed my
> mind and I keep both versions on, depending on what I have to do.
>
> I'd like to start this thread to see people post their observations
> about what has become slower in v6 - and of course what is faster too!
>
> e.g. some posts ago I saw somebody having problems with eigenvalues
> calculations.
>
> My problems, just to start, relate to graphics. Dealing with large
> images with ListContourPlot, for example, is really slower (had to
> kill the calculation). And ListDensityPlot is barely acceptable.
>

Can you give an example for ListDensityPlot?

Possibly using the options

	PerformanceGoal->"Speed", MaxPlotPoints->Infinity

would give a noticeable speedup for ListDensityPlot.  Hopefully the  
default behavior will be better in a future version.

Brett Champion
Wolfram Research



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