CGAL users discussion list

["Nico Kruithof" <>]

You should have the version with the reduced memory usage. Note that
the subdivision takes exponentially more memory. With every additional
subdivision step you have 4 times as many triangles in your mesh.

-- Nico

On Sun, Nov 23, 2008 at 11:39 AM, Benjamin schwarz
<>
 wrote:
> Hello Nico,
>
>    and thanks for the answer.
>
>> point, the algorithm was extremely fast, but also used a lot of
>> memory. How much memory do you have? In the latest public release
>> there is a better tradeoff between cpu times and memory consumption.
>
> for a 28 atoms molecule, with the "good" insertion order I have times
> in accordance with those you give in the cgal manual : 0.7s for the
> third subdivision.
>
> For a 1600 atoms protein, two subdivisions are OK, but the third one
> induces my computer to swap and lagg, and ultimately I have to kill
> the process. I only have 1Go mem and run greedy softs in the meantime
> (Eclipse, firefox). Anyway, two subdivisions are enough for me at the
> moment, and since you said the memory management is best in the newer
> versions...
>
>> In the meantime I switched to industry and have a deadline on tuesday. 
>> After that I'll have a look. At one
> Good luck with that.
>
> Let me know if you can't reproduce the problem with the includes order.
>
>    cheers
>
>    --Ben
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