kicad-developers team mailing list archive

[Chris Pavlina <pavlina.chris@xxxxxxxxx>]

On Fri, Jan 27, 2017 at 11:32:06PM -0500, Wayne Stambaugh wrote:
> On 1/27/2017 7:40 PM, Chris Pavlina wrote:
> > On Fri, Jan 27, 2017 at 07:28:09PM -0500, Wayne Stambaugh wrote:
> >> On 1/27/2017 6:02 PM, Chris Pavlina wrote:
> >>> On Fri, Jan 27, 2017 at 05:21:42PM -0500, Wayne Stambaugh wrote:
> >>>> I finally got the new schematic I/O plugin fully functional for the
> >>>> current schematic and symbol library file formats.  When you have some
> >>>> time, please test this to see if I've missed anything.  I've pushed it
> >>>> to my repo on launchpad here:
> >>>>
> >>>> https://code.launchpad.net/~stambaughw/kicad/+git/kicad-dev/+ref/use-symbol-library-table
> >>>>
> >>>> There is a noticeable performance hit on start up when loading a
> >>>> schematic.
> >>>
> >>> Holy crap, there is a performance hit of _over a minute_ loading the
> >>> project I'm working on!
> >>
> >> Debug or release build?  I saw significantly longer load times on debug
> >> builds although release builds were no speed demon either.  I'll step
> >> through it again tomorrow just to see if I missed where the cache may be
> >> getting reloaded.
> > 
> > Release build. Not a huge project either, seven pages and 354
> > components...
> 
> I fixed the issue and pushed to my dev branch so it should be much more
> usable now.

Much better. It's still a bit slow relative to the old code but only
"several seconds" slow now.

> 
> > 
> >>
> >>>
> >>> I'm testing this though.
> >>>
> >>>> I'm not sure why this is happening but I believe it has to
> >>>> do with the cache validity test being called on every symbol search.  I
> >>>> verified that the cache isn't being reloaded but I'm a bit surprised
> >>>> that there was as much of a performance hit.  If you happen to notice
> >>>> something I missed please let me know.  I am primarily concern with the
> >>>> accuracy and stability of the library file I/O at this point.  I tested
> >>>> everything I could think of against the current code and always got the
> >>>> same file results but there may have been some corner cases that I
> >>>> missed.  The performance hit will be temporary.  Once the symbol library
> >>>> table support is implemented, the symbol search through the entire
> >>>> library list will go away.  Either the symbol is in the library
> >>>> specified or it's not.  I will probably introduce lazy loading as well
> >>>> once the symbol library table is implemented as only libraries that
> >>>> contain symbols in the schematic will need to be loaded when the
> >>>> schematic is opened.  Many thanks in advance for the help.
> >>>>
> >>>> Cheers,
> >>>>
> >>>> Wayne
> >>>>
> >>>> _______________________________________________
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> >>
>