kicad-developers team mailing list archive

[Wayne Stambaugh <stambaughw@xxxxxxxxx>]

On 9/19/2017 9:53 AM, Simon Küppers wrote:
> I agree with JP, however I see a chance for KiCad, where this feature
> might work better than in other EDA packages.
> I think the only way to get this feature to perform well is to use all
> available processor cores.
> Maybe it is enough to distribute all the zones to the processor cores.
> However i do not know if the KiCad sources allow this kind of
> multithreading.

Multi-threading inside context switching.  That could be interesting!

> 
> Best Regards
> 
> 
> Am 2017-09-19 15:26, schrieb Jon Evans:
>> Yes, I used Xpedition in a past life and one of my missions is to
>> bring some of its cool features to KiCad :-)
>>
>> JP, I will do some tests on more complex boards and look in to
>> possible solutions.
>> I think this is quite a big challenge but want to take it on, because
>> I think some of the underlying work needed will also be very useful
>> for other things (like live DRC checking, autorouting, etc)
>>
>> -Jon
>>
>>> On Tue, Sep 19, 2017 at 8:35 AM, Clemens Koller <cko@xxxxxxxxx>
>>> wrote:
>>>
>>>> Hello, Jon!
>>>>
>>>> Just for Reference: That's how Mentor Expedition is exposing
>>>> dynamic plane generation:
>>>> https://www.youtube.com/watch?v=n6TskayF1Oc [1]
>>>>
>>>> I would be glad to test these things in Kicad...
>>>>
>>>> Regards,
>>>>
>>>> Clemens
>>>>
>>>> On 2017-09-19 02:18, Jon Evans wrote:
>>>>> Hi all,
>>>>>
>>>>> I've been wanting to take a look at live zone filling, as it's a
>>>> really useful feature that some professional EDA tools have.  If
>>>> zones refill in real time as you move things around, it's easy to
>>>> make sure you leave enough space for your fill to succeed.
>>>>>
>>>>> I made a quick patch to pcbnew showing this after an interactive
>>>> trace move (see attached gif)
>>>>> For this board and my computer, refilling is fast enough that
>>>> this isn't a problem (I disabled the pop up window showing a
>>>> progress bar for the "refill all zones" command).
>>>>>
>>>>> Can anyone point me to (or send me) some really complicated
>>>> KiCad designs in terms of zone fills?  Do people have designs that
>>>> take a while to fill even on recent computers?
>>>>>
>>>>> If I proposed this as a patch, I'd make it an option (disabled
>>>> by default) in case it slows down old computers, but I think if
>>>> zone filling for moderately complex boards still takes a while
>>>> even on fast modern computers, we should look at optimizing it so
>>>> that we can achieve real-time filling on modern computers.
>>>>>
>>>>> Thanks,
>>>>> Jon
>>>>>
>>>>>
>>>>
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>>
>>
>>
>> Links:
>> ------
>> [1] https://www.youtube.com/watch?v=n6TskayF1Oc
>> [2] https://launchpad.net/~kicad-developers
>> [3] https://help.launchpad.net/ListHelp
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