[Kst] kdeextragear-2/kst/kst

[George Staikos]

On Tuesday 15 July 2003 16:49, Barth Netterfield wrote:
> egads!  multiple QDict lookups in the most inner loop of all of kst!
>
> plotting a single 100000 point realtime curve  uses 85% of the CPU.
> Non Ideal (tm)
>
> My preference: use local double variables for the computation, and set the
> values using QDict (as you have it) after the loop.  This is the fastest we
> can do, and still stays ~elligant.
>
> I am going to do this unless you object.

  Ah you're right.  It was a bad idea.  I noticed a slow down too, but I 
hadn't got around to seeing what it was.  I agree with using local doubles in 
the loop.  I had thought about that too.

   Go ahead and do that while I clean up the plot dialog, if you like.

-- 
George Staikos
KDE Developer				http://www.kde.org/
Staikos Computing Services Inc.		http://www.staikos.net/