[mkgmap-dev] Commit: r2159: Improving performance of remove-short-arcs option

Tue Jan 3 18:07:12 GMT 2012

Hello Martin,

sorry, I am still far away from understanding how the indexes work. 

Gerd

> Date: Tue, 3 Jan 2012 11:08:54 +0100
> From: mkgmap at snailrun.de
> To: mkgmap-dev at lists.mkgmap.org.uk
> Subject: Re: [mkgmap-dev] Commit: r2159: Improving performance of remove-short-arcs option
> 
> Hello Gerd, hello WanMil,
> 
> thanks for the improvement of the LocationHook. On my Mac, using 2 
> threads, I just get 10% improvement, but this doesn't matter. Is it 
> somehow possible, to create more than one entry in the index for one 
> street, with the same name on the same tile?! Sounds confusing, I know. 
> But let me give you an example:
> In Berlin more than one Friedrichstraße exist (having different 
> zip-codes). But currently I can only find one Friedrichstraße. So maybe 
> we can use the zip-code to distinguish the streets. Or you have a 
> another idea. It would be also nice to get the zip-code search working, 
> but it's just a dream ;)
> 
> Cheers and thank you again for your great work!
> Martin
> 
> 
> Am 2012-01-02 22:37, schrieb WanMil:
> >> Version 2159 was commited by wanmil on 2012-01-02 21:17:38 +0000 (Mon, 02 Jan 2012)
> >>
> >> Improving performance of remove-short-arcs option
> >>
> >> The information about the arcs is now stored directly in the Coord object. --GerdP
> > Hi all,
> >
> > all available performance patches are now commited.
> > A small comparison with my small test map (15 european tiles, one
> > thread, index with bounds) - not representative like all performance
> > comparisons:
> >
> > r2153: 320s mean
> > r2159: 250s mean
> >
> > improvement: 70s =>  ~20%
> >
> > A big thank to Gerd, who posted most of the improvements!
> >
> > WanMil
> >
> > _______________________________________________
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> > mkgmap-dev at lists.mkgmap.org.uk
> > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> >
> 
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