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[mkgmap-dev] [PATCH v8] make maps in parallel

From Martin Marinus martin.marinus at xs4all.nl on Mon May 18 18:56:07 BST 2009

Hi Mark,

>>> Reworked top-level loop that waits for the parallel jobs to complete.
>>> Appears to use a lot less CPU and could possibly influence the weird
>>> problems some were reporting on Windows/Mac
>> And Linux (for me).
> 
> OK - I didn't realise that it was happening on Linux too (sorry if
> this was pointed out earlier, I missed that).

No, I probably didn't mention it.

>>> - please retest with this version.
>> Seems fix it for me. No more missing tiles with my previously-tested 
>> Benelux maps. For good measure, I also split and tested yesterdays 
>> europe.osm.bz2 (geofabrik): no problem there either.
>>
>> Of course, I can't be entirely sure that there aren't any corner-cases 
>> left which still only fail with multiple threads. But for me, this works 
>> just fine. Thanks!
> 
> That's good news.
> 
> How many cores were in use?

Four. I'll go test v10 now...

Regards,
Martin




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