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Using Images as a lookup table

Question asked by kbrafford on Jul 5, 2012
Latest reply on Jul 5, 2012 by notzed

How well do algorithms that use look-up tables perform when you implement the table as an image for the parallel version?  For instance, how well would the "Two Plus Two" Poker evaluator be expected to perform on a GPU if the 133MB look-up table were encoded as an image and read using samplers?

 

http://www.codingthewheel.com/archives/poker-hand-evaluator-roundup#2p2

 

Do image reads need to be coalesced like buffer reads for there to be maximal performance?

 

--Keith Brafford

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