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Insane shadow rendering times
http://www.vfxtalk.com/ forum/ showthread.php?t=14158&goto=newpost
So, I have a 15 second comp (1080i at 29.97) with 3 lights (2 ambient, 1 spot), a large background image, two objects in front of that, and some camera movement. Simple stuff. Without the two objects casting shadows, it takes about 20 minutes to render it out at full-res. However, when I turn the shadows for those two layers, the render time climbs to over 5 hours! Is this normal? Is there anything I can do to speed up the render time? Even rendering just the shadow pass takes an obscene amount of time. Attached Thumbnails
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