[PD] speed

[marius schebella]

msgltest is the lua script. the lua library is a loader that loads 
masgltest.lua as an object.
which OS are you on? do you have pdlua installed?
marius.

cyrille henry wrote:
> could you please post msgltest.pd abstraction?
> thx
> c
> 
> 
> marius schebella a écrit :
>> hello cyrille,
>> drawing squares now, I attach the pd-patch (msgltest2-test.pd) and the 
>> lua script (msgltest2.lua) that I used. with lua I can draw more than 
>> 10000 squares, with gem around 2000. I don't know exactly why lua is 
>> faster.
>> maybe because in lua, I create one long gl command list (from glbegin 
>> to glend) and in gem I trigger gemhead everytime I draw a square. is 
>> there a way to make the gem part faster?
>> marius.
>>
>> cyrille henry wrote:
>>> hello,
>>>
>>> i have not try the test patch, but the curve object is very 
>>> ineficient to draw line.
>>> can you try to draw as many square as possible in gem, and with luagl?
>>>
>>> this 10:1 speed factor is surprising.
>>>
>>> cyrille
>>>
>>>
>>> marius schebella a écrit :
>>>> hey frank/list,
>>>> somehow I managed to get luagl working. (I did a fink install lua51 
>>>> and lua51-dev and the rest (luagl/opengl) was still there from one 
>>>> of my earlier attempts - I am still trying to reconstruct the 
>>>> installation process...
>>>> running the patch, that you posted some time ago (with the colored 
>>>> lines) I get an amazing speed advantage for lua. is this a valid 
>>>> performance test? because with lua I can draw 20000 lines at a cpu 
>>>> usage of 80%, the gem part eats up 80% already with 2000 lines (10:1).
>>>> cheers,
>>>> marius.
>>>>
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>>>
>>
>>
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