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Performance optimization for Hashgrid and RFTracer #112

Merged
merged 1 commit into from
Feb 3, 2023
Merged

Performance optimization for Hashgrid and RFTracer #112

merged 1 commit into from
Feb 3, 2023

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hXl3s
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@hXl3s hXl3s commented Feb 3, 2023

Performance optimization PR:

  • Use packed representation of hashgrid codebook to reduce overhead of casting to FP16 in AMP training
  • Precompute masks for point filtering to reduce CPU <-> GPU synchronization count
  • Optimizer sets grads to None because it is faster than zeroing grads

@orperel orperel merged commit cc9b4cb into NVIDIAGameWorks:main Feb 3, 2023
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@hXl3s @orperel