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A comment on PowerVR Wizard GPU does real-time ray tracing at 10x lower power than Nvidia GTX. Parent comment

Re:PowerVR Wizard GPU does real-time ray tracing at 10x lowe... by cma on Thursday January 07, 2016 @09:44PM (#10862586)
I thought GPU techniques do something like accumulate the secondary rays and use really fast GPU sorting algorithms on them before continuing, to bring back coherence.
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