While tracing images and doing some test runs
for the IRTC-Still, I've noticed that using
focal-blur with 20 samples takes far longer
than Antialiasing method 2 with depth set 2
(which may use 25 samples). I haven't run
with depth set to 3 (since on thumbnail-tests
thats not worth it), but it still is a huge amount
of time in comparison.
I guess it has to do with the algorithm, since
focal-blur probably uses all samples, whereas
the antialiasing only kicks in when needed.

Any suggestions on how to improve focal-blur?
 A major trace is running for one and a half days
now, and since RL will get in the way, I'll probably
have to jump to antialiasing anyway. But I thought
a nice discussion could clear some things up for me.

Thanks in advance!

--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html

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