[geos-devel] Benchmark between various geometry libraries

Paul Ramsey pramsey at cleverelephant.ca
Wed Nov 18 12:33:02 EST 2009


I wonder if we could somehow prevail upon Maxime to add JTS to the
benchmark set, to disentangle algorithm from implementation.

P.

On Wed, Nov 18, 2009 at 9:32 AM, Paul Ramsey <pramsey at cleverelephant.ca> wrote:
> Probably something as simple as running Maxime's test polygons and
> watching the profile in Shark would give the answer, since the
> difference is so huge.
>
> P.
>
> On Wed, Nov 18, 2009 at 9:39 AM, Martin Davis <mbdavis at refractions.net> wrote:
>>
>>
>> Maxime van Noppen wrote:
>>>
>>> It's quite interesting to have some numbers though, as sometimes they
>>> can lead to significant performance boost (CascadedPolygonUnion is a
>>> good example). It might be interesting to analyze why geos is 23x slower
>>> than other geometry libraries in some cases whereas it competes with
>>> them elsewhere.
>>>
>>>
>>
>> Yes, definitely it's nice to have examples of how things can be improved.
>>
>> Personally I intend to stay well away from any C++ template hacking, though!
>>
>> --
>> Martin Davis
>> Senior Technical Architect
>> Refractions Research, Inc.
>> (250) 383-3022
>>
>> _______________________________________________
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>> geos-devel at lists.osgeo.org
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>>
>


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