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Date: Tue, 28 Jul 2015 10:06:47 +0200
From: "Gabriel Paubert (paubert AT iram DOT es) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] pcb-rnd feature poll: please vote
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On Tue, Jul 28, 2015 at 06:10:53AM +0200, gedau AT igor2 DOT repo DOT hu wrote:
> 
> 
> On Mon, 27 Jul 2015, DJ Delorie wrote:
> 
> >
> >Have you tried the built-in :Benchmark() command?
> >
> 
> Thanks, I didn't notice that command.
> 
> empty board:
>  pcb-rnd gtk:       27.6 redraws/sec
>  pcb-rnd lesstif:  172.0 redraws/sec
>  gl:                48.4 redraws/sec
> 
> bm08.pcb:
>  pcb-rnd gtk:       49.2 redraws/sec
>  pcb-rnd lesstif:  107.0 redraws/sec
>  gl:                16.5 redraws/sec
> 
> bm16.pcb:
>  pcb-rnd gtk:       21.6 redraws/sec
>  pcb-rnd lesstif:   28.6 redraws/sec
>  gl:                 8.0 redraws/sec
> 
> 
> bm32.pcb:
>  pcb-rnd gtk:      7.2 redraws/sec
>  pcb-rnd lesstif:  7.8 redraws/sec
>  gl:               2.8 redraws/sec

I don't have any pcb with non-gl gtk installed, 
but on my (old) desktop, with a maximized 1920x1200 
window, and viewing the whole board, the results are:

A simple, small (40x25mm), 2 layers board with 33 components:
pcb lesstif:  5.1 redraws per second
pcb gtk+gl:  31.1 redraws per second

A complex, large (200x80mm), 6 layers board with 
almost 700 components:
pcb lesstif:  1.3 redraws per second
pcb gtk+gl:   4.6 redraws per second

The last figure improves enormously (15-16) when zooming to a small
part of the design which is the typical use. However, when 
viewing the whole board the crosshair does not always follow 
the cursor in the GL version, which it something that works
flawlessly with lesstif.

My GL driver is:

$ glxinfo |grep "^OpenGL renderer"
OpenGL renderer string: Gallium 0.4 on ATI RV530


    Regards,
    Gabriel


> 
> Regards,
> 
> Igor2