Dual-precision fixed-point arithmetic for low-power ray-triangle intersections

Krishna Rajan
Krishna Rajan
Soheil Hashemi
Soheil Hashemi
Michael Doggett
Michael Doggett

Computers & Graphics, pp. 72-79, 2020.

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Abstract:

•We find that low precision arithmetic can classify most ray-triangle intersection tests, only few tests need high precision.•We analytically identify the optimal low precision and high precision requirements to minimize power consumption•We design and implement a dual-precision fixed-point ray triangle intersection accelerator with low a...More

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