[KimDaBa] Profiling Kimdaba startup

David Fraser davidf at sjsoft.com
Wed Jan 5 04:53:19 GMT 2005

Robert L Krawitz wrote:

>   From: "Jesper K. Pedersen" <blackie at blackie.dk>
>   Date: Tue, 4 Jan 2005 07:46:37 +0100
>   Robert, thx for your profiling.
>   As it looks now, I can't see that there are any thing else I can do
>   to speed up things, except rewritting to a real database.  Well I
>   could delay loading the plugins, but it is a constant of 500msec in
>   your profiling, so I don't see much gained there either.
>   Rewritting to a real db would be a huge job, and currently I dont
>   see it worth it to save at most 2.5+1=3.5 secs. People with 50.000
>   images might disagree, but we aren't really there yet (at least
>   that is not what I hear from most kimdaba users), and once we are
>   there, computers are likely so much faster that the 25 secs has
>   gone done.
>The other possibility would be a faster XML parser, or getting
>Trolltech to improve their XML parser.
>I don't think this is critical.  The machine I ran this on is quite
>slow by today's standards (1 GHz).  By my calculation, on a 3 GHz
>machine (midrange by today's standards), startup for 50K messages
>would take about 10 seconds.  I suspect that getting a database (even
>a light weight database) to start up in much less than that amount of
>time wouldn't be that easy, either.
Actually you should easy be able to get a light-weight database going in 
less than 2 or 3 seconds.
If you're using a heavier database you usually rely on it already being 
started so its only the connect time thats relevant


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