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Ray tracers are used in RT08 papers › Change packet size? › Change data structures? No common software base › No tools for writing composable software › Cannot reuse and combine parts › Comparison/benchmarking difficult RT08 – arguments for combining more different structures and algorithms
Trends Hardware trends › Massive compute power › Massive memory bandwidth › Massive parallelism • Multi-core chips • Data-parallel computation Different architectures Composable portability › Not 1:1, but reuse as much as possible
Page 1: RTfact: Concepts for Generic and Hi
Page 5 and 6: Existing Ray Tracing Systems Perfo
Page 7 and 8: Possible Approaches Manual coding
Page 9 and 10: Possible Approaches Run-time flexi
Page 11 and 12: Requirements Composability › At
Page 13 and 14: Generic Programming Generic algori
Page 15 and 16: Generic SIMD Primitives Parallelis
Page 17 and 18: template Vec3f computeColor(Vec3f&
Page 19 and 20: template Vec3f computeColor(Vec3f&
Page 21 and 22: Algorithms and Data Structures Dat
Page 23 and 24: template // nested element intersec
Page 25 and 26: template // nested element intersec
Page 27 and 28: Rendering Components No shading in
Page 29 and 30: struct Integrator { template struct
Page 31 and 32: Rendering Pipelines Renderer - a t
Page 33 and 34: template class RayTracingRenderer :
Page 39 and 40: Putting It All Together Example ap
Page 41 and 42: Performance packet kd-tree Sponza C
Page 43 and 44: Conclusions and Future Work RTfact

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