[GEM-dev] HALCON plugin
cyrille henry
ch at chnry.net
Thu Oct 14 12:24:03 CEST 2010
hello,
[...]
> ok, think i have found some problems in my code.
> if i switch to asynchronous capturing, then i get way better framerates
> (e.g. 100fps and more; no easy way to really measure this)
cool!
>
>>
>>> - latency is worse than expected (see attached feedback image)
>> yes, this is not really usable...
>
> ok, with asynchronous capturing this seems to get better as well.
> (see attached feedback image)
what is Gem framerate, your screen framerate, and do you use sync to vblank?
all of this can increase latency of the screen side...
>
> ok, so i discovered that i _sometimes_ get dropouts as well.
> i seem to remember, that i even got the dropouts with halcon's HDevelop
> tool, which i consider the reference implementation.
> this would indicate that the problems are either with the API itself
> (which i somehow doubt), or with the networking configuration (jumbo
> frames or the like)
i think the manufacturer recommendation is to use only an intel ethernet card!
Cyrille
>
> i'll investigate.
>
> fgmasdr
> IOhannes
>
>
>
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