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Re: [cgal-discuss] skin surfaces : subdivision is *very* slow, is this normal ?


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  • From: Laurent Rineau <>
  • To:
  • Subject: Re: [cgal-discuss] skin surfaces : subdivision is *very* slow, is this normal ?
  • Date: Fri, 21 Nov 2008 10:58:06 +0100

On Friday 21 November 2008 10:02:35 Benjamin schwarz wrote:
> g++ -Wall -frounding-math -g -O2 -I/usr/include/qt3 -DCGAL_USE_F2C
> -DCGAL_USE_F2C -I /home/schwarz/include -O2 -DNDEBUG -c -o
> test-skins.o test-skins.cpp

Your compilation options seems correct.

-DNDEBUG is important for performances. Try -O3 instead of -O2.

> g++ -o test-skins test-skins.o -lCGAL -lCGALcore++ -lCGALQt
> -lCGALimageIO -lCGALPDB -lqt-mt -llapack -lGL -lGLU -llapack -lf77blas
> -lcblas -latlas -lz -lmpfr -lgmpxx -lgmp -lX11
> -lboost_program_options-mt -lm -O2 -lm

That one is correct too. -O2 is useless here.

--
Laurent Rineau, PhD
Engineer at GeometryFactory
http://www.geometryfactory.com/



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