Browsing High-Performance Graphics 2013 by Subject "D.1.3 [Programming Techniques]"

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    • Megakernels Considered Harmful: Wavefront Path Tracing on GPUs 

      Laine, Samuli; Karras, Tero; Aila, Timo (ACM, 2013)
      When programming for GPUs, simply porting a large CPU program into an equally large GPU kernel is generally not a good approach. Due to SIMT execution model on GPUs, divergence in control flow carries substantial performance ...