kicad-developers team mailing list archive

[Carl Poirier <carl.poirier.2@xxxxxxxxx>]

Well, if OpenMP is alright with you, I'll give it a shot this weekend.


On Tue, Jan 14, 2014 at 5:12 AM, Marco Serantoni
<marco.serantoni@xxxxxxxxx>wrote:

> Nice,
> But please, think before add dependencies and look deeply if those are
> supported for all platforms, I wish being able to don't trash years of work.
>
>
>
> --
> Marco
>
>
> On Tue, Jan 14, 2014 at 11:00 AM, Maciej Sumiński <maciej.suminski@xxxxxxx
> > wrote:
>
>> Great, now it seems that we have a group of people who are experienced
>> with the subject. I believe this has to end up with some speed up in KiCad.
>>
>> Regards,
>> Orson
>>
>>
>> On 01/14/2014 10:59 AM, Marco Serantoni wrote:
>>
>>> Only the warning: keep attention that boost::context doesn't support the
>>> context switch for the vector registers
>>> (mmx*/v*).
>>> If needed i can help you to implement.
>>>
>>>
>>> --
>>> Marco
>>>
>>>
>>> On Mon, Jan 13, 2014 at 7:48 PM, Vesa Solonen <vesa.solonen@xxxxxxxx
>>> <mailto:vesa.solonen@xxxxxxxx>> wrote:
>>>
>>>     13/01/14 10:04, Maciej Sumiński kirjoitti:
>>>
>>>      > I fully support the idea, in fact I have dreamed about this too
>>>      >
>>>     (http://www.ohwr.org/projects/cern-kicad/wiki/ratsnest-gal#
>>> Possible-upgrades).
>>>      > I had a short try with OpenMP, but I did not get any better
>>>     results, so
>>>      > it seems that I could have done it wrong.
>>>
>>>     Some articles:
>>>     http://locklessinc.com/articles/vectorize/
>>>     http://gcc.gnu.org/projects/tree-ssa/vectorizathttps://twiki.cern.ch
>>>     https://twiki.cern.ch/twiki/bin/view/CMSPublic/
>>> WorkBookWritingAutovectorizableCode
>>>
>>>     Some tools:
>>>     http://code.entropywave.com/blog/
>>>     http://gnuradio.org/redmine/projects/gnuradio/wiki/Volk
>>>
>>>     ORC may be the best tool to go with. GNU Radio's DSP stack and
>>> GStreamer
>>>     depends on it.
>>>
>>>      > If there are volunteers who have some experience with
>>>     parallelization I
>>>      > am very eager to cooperate to speed up some of computations. The
>>>      > ratsnest algorithm is a perfect place to start with. It is
>>>     performed on
>>>      > per net basis, so they are all independent to each other.
>>>
>>>     I could possibly do something, but I'm not familiar with much of the
>>>     Kicad code. Single function "optimise this ->" might work, but
>>> delivery
>>>     times can't be guaranteed...
>>>
>>>     -Vesa
>>>
>>>
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>>
>
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