[Bf-cycles] [Cycles]Why BVH instead of KdTree ?

[yaoyansi]

Hi all,
I'm very excited to know that a gpu renderer is being hatched in Blender. It is COOL!
And could I ask a question? Why Cycles use BVH instead of Kdtree?

Cheers
yaoyansi
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.blender.org/pipermail/bf-cycles/attachments/20110819/b841f1c2/attachment.htm