I can't really believe that ...

especially, if they are at the same position, how can the shadows become
smooth ?
if you distribute them a little bit, you do the same thing, as area_lights
do,
but a_l do more ... They don't need so much light_sources as they support
jitter and adaptive sampling ...

Note: The more lightsources you have, the slower your rendering will be ...


--
"Somehow what you suggest is like suggesting to add drills \ jan### [at] lzernet
to cars so you can drill for oil when you run out of fuel.  \
Sure you could do it, but it might not be the most practical >          Jan
solution." [Thorsten Froehlich in p.u.p]                    /        Walzer

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