kicad-developers team mailing list archive

[Wayne Stambaugh <stambaughw@xxxxxxxxx>]

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.

> 
>>
>>>
>>> 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
>>>>
>>>> _______________________________________________
>>>> Mailing list: https://launchpad.net/~kicad-developers
>>>> Post to     : kicad-developers@xxxxxxxxxxxxxxxxxxx
>>>> Unsubscribe : https://launchpad.net/~kicad-developers
>>>> More help   : https://help.launchpad.net/ListHelp
>>