[mkgmap-dev] New, faster splitter

Sat Jun 5 14:34:19 BST 2010


On 05.06.2010 15:32, Chris Miller wrote:
> WanMil sent through a very nice patch for the splitter that writes out the
> results using multiple threads, giving a pretty big speedup during the 2nd
> half of the split if you have a multicore PC. For me, the time it takes to
> split the UK is less than half what it used to be.
>
> I've checked his patch in (r109) so feel free to give it a go. Note that
> by default the code will automatically use all available CPU cores but there's
> a new parameter --max-threads that you can use to control the number of cores
> that are used should you want to reduce them for whatever reason.
>
> Chris
>    
What about max memory needs. Is there a big increase, or doesn't it 
matter, because the first phase of the split is the important part?
Is this also working without --cache, or only when using --cache??
>
>
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