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Re: [cgal-discuss] Performance issues regarding Delaunay_3 & priority queue


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  • From: jiju peethambaran <>
  • To:
  • Subject: Re: [cgal-discuss] Performance issues regarding Delaunay_3 & priority queue
  • Date: Mon, 3 Feb 2014 02:19:28 -0800 (PST)

I removed the circumcenter and squared_length computation from the comparator
structure and stored the circumradius as a part of each cell using a pre
processing step. Now there is a great improvement in the computational time.
For a set of 25000 points, the time has reduced from 13 hours to 11
minutes!!! on dell precision workstation having 32GB RAM. I think this can
still be reduced if I follow what teillaud suggested (by using
Triangulation_cell_base_with_circumcenter_3)...I'm trying to incorporate
that suggestion as well...Thank you all for your constructive and helpful
suggestions



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