Resurfaced 2013 NVIDIA paper argues GPU megakernels are harmful for path tracing due to SIMT divergence
Splitting the loop into specialized kernels reduces GPU register pressure
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Megakernels considered harmful (for ray tracing)
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https://research.nvidia.com/sites/default/files/pubs/2013-07_Megakernels-Considered-Harmful/laine2013hpg_paper.pdf
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Megakernels considered harmful (for ray tracing)
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