[mkgmap-dev] [Patch v8] splitter optimization

Wed Nov 30 19:46:26 GMT 2011

Hi,

I've committed it. Do you think it's ready to merge back to trunk if 
noone complains within the next week?

WanMil

> Hello WanMil,
>
> during the last days I tried a lot of different techniques to further
> improve memory usage, but nothing really improved the throughput
> of splitter. The default settings are now so well tuned that the only
> situation where --optimize-mem=true really helped was when spttiting rather
> small files (pbf with 100MB or less). But these small files are never a
> problem regarding memory, and I guess that most users that want to split
> large files (europe or so) have machines with 8GB or more.
>
> So, the attached patch removes all code handling the --optimize-mem
> parameter to remove useless complex code, keeping only those changes
> that really improve something.
> I've also added code to the unit tests and small correction to the now
> unused SparseInt2ShortMap implementations.
>
> Ciao,
> Gerd
>
>
>
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