[Lazarus] Threads and Libraries (dll and so)

Michael Van Canneyt michael at freepascal.org
Tue Feb 4 16:15:38 CET 2014



On Tue, 4 Feb 2014, Mark Morgan Lloyd wrote:

> Michael Van Canneyt wrote:
>> On Tue, 4 Feb 2014, Mark Morgan Lloyd wrote:
>
>> But complicated information like statistics or information of 20 cameras,
>> needs time to be processed by the brain in order to react on it. There is 
>> therefor no need to have it refreshed in intervals that the brain cannot 
>> discern anyway. What could possibly be achieved with displaying information 
>> of 20 cameras at 60 FPS ? Nothing, unless you want to brag about your 
>> hardware.
>
> I'm afraid that's... highly questionable. The more video streams (etc.) that 
> are visible the smoother you want the overall presentation to be: the human 
> brain is /very/ sensitive to small timing differences.

Yes. I don't argue with that.

> In addition, there are 
> standards for e.g. flashing indicators in safety-critical applications which 
> are specified with much finer resolution than 100 mSec.
>
> So a 10Hz update is totally out of the question these days: 100Hz would be 
> more realistic.

I would be very interested to see experiments proving that this will make an 
actual difference in human operator efficiency.

If something is that time critical, I would not leave it to a human operator to begin with :)

Michael.




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