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    • On Quality Metrics of Bounding Volume Hierarchies 

      Aila, Timo; Karras, Tero; Laine, Samuli (ACM, 2013)
      The surface area heuristic (SAH) is widely used as a predictor for ray tracing performance, and as a heuristic to guide the construction of spatial acceleration structures. We investigate how well SAH actually predicts ray ...