kicad-developers team mailing list archive

[Tomasz Wlostowski <tomasz.wlostowski@xxxxxxx>]

On 29/11/17 12:46, jp charras wrote:
> Le 29/11/2017 à 00:32, Tomasz Wlostowski a écrit :
> <...>
> 
>> I also investigated why the zones are filled slowly - the major reason
>> was a bug in the GAL zone filling algorithm, which was filling all zones
>> by performing N independent fills of every zone causing the isolated
>> copper islands to be checked N times (where N=number of zones in the
>> design) instead of just once. The branch [1] contains this bug fixed. It
>> also introduces quite a speedup in zone loading/rendering and
>> parallelizes all zone filling operations using OpenMP. It refills all
>> zones on the "A64-Olinuxino
>> board" in less than 3 seconds and something around 10s for the "wrs"
>> board on a Core i7-4700MQ, 16GB RAM machine.
> 
> <...>
> 
>> Cheers,
>> Tom
>>
>> [1] https://github.com/twlostow/kicad-dev/tree/tom-faster-zones
> 
> 
> Hi Tomasz,
> 
> I tried to test your branch on msys2 W7 32bits
> I had to make a change to be able to compile kicad (issue due to a name collision).
> Attached my patch.
> 
> Unfortunately the filling zone does not work: Pcbnew hangs with a few boards I tried, when filling
> zones.
> 
> Note also existing filled areas are no shown in GAL mode after loading a board.
> 

Hi JP,

Many thanks for testing. The branch is a work-in-progress, so some stuff
might not work. Could you send me the PCBs filling doesn't work for?

Cheers,
Tom

> 
> 
> 
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