Re: Performance

[Lars Clausen <lars raeder dk>]

On Thu, 2006-03-16 at 02:10 +0000, Joe Mork wrote:
> I'm experiencing very poor performance in Dia.  I'm using the version in 
> Ubuntu Breezy (0.94).
>
> I'm running on an Opteron 250 with 4 GB RAM and a high-end nVidia graphics 
> card (using nVidia binary drivers; working fine in all other applications).  
>   I have a flowchart with less than 20 process boxes and about the same 
> number of simple straight lines.
>
> The performance is absolutely awful.  The CPU runs to 100% just moving boxes 
> around.  If I zoom in real close the performance is OK but viewing the whole 
> diagram makes it run like a snail.  Just clicking an highlighting a box 
> takes a second or two at 100% CPU.
>
> Is it just me or is Dia not that useful with this kind of performance?

That's curious, as 0.94 in particular uses a cache to speed up
rendering.  On my machine, which is crappier than yours, the
samples/render-test.dia diagram at non-100% zoom is not fast, but not
that bad either.  It's the text rendering that's a real b*tch to get
fast.

-Lars