[PD-dev] GUI performance clarification

[Frank Barknecht]

Hallo,
Lee Azzarello hat gesagt: // Lee Azzarello wrote:

> Hot on the heels of the great GUI rewrite thread, I have a simple
> question that would help clarify some CPU performance questions I have
> with my current project. I have incoming serial data from an arduino.
> This data is getting buffered every n milliseconds and sent to a
> vslider object. I have 6 channels of data with a vslider on each, so 6
> vsliders and 6 buffers.
> 
> If I set n to 20ms, my dual core 2.4 ghz CPU with an i945 graphics
> card on Linux 2.6.32 hits 100% with no audio processing. If I lower n
> to 60ms the CPU usage drops to about 15%. Is this the expected
> performance for a vslider?

About yes. You can't see faster than about 50msec anyway, so I don't think it makes
much sense to update a slider any faster. 

Ciao
-- 
Frank