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ICC color management in Media Player Classic Home Cinema
Display calibration and profiling are becoming more and more popular thanks to relatively cheap colorimeters and wide gamut monitors. It’s important to know that an application must support color...
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Doboz: compression library with very fast decompression
Another side project of mine is Doboz (Hungarian for ‘box’), a small LZ-based data compression library written in C++ with very high decompression speed and close to zlib compression ratio. The...
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Improving BVH Ray Tracing Speed Using the AVX Instruction Set
Last week I’ve attended Eurographics 2011 in Llandudno, UK and I’ve presented my poster entitled Improving BVH Ray Tracing Speed Using the AVX Instruction Set. If you are interested, you can download a...
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Interactive Ray Tracing of Large Models Using Voxel Hierarchies
Interactive Ray Tracing of Large Models Using Voxel Hierarchies Attila T. Áfra Computer Graphics Forum 31(1) Presented at Eurographics 2013 Abstract We propose an efficient approach for interactive...
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Incoherent Ray Tracing without Acceleration Structures
At Eurographics 2012, I presented an efficient incoherent ray tracing method that does not use any acceleration structures, and is optimized for AVX. It is based on the algorithm introduced in the HPG...
View ArticleMassive model ray tracing using an SSD
SSDs are simply amazing. They can make a huge difference in certain cases. One of these is massive model rendering. VoxLOD, my out-of-core ray tracer, streams data from an SSD more than 8x faster than...
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Faster Incoherent Ray Traversal Using 8-Wide AVX Instructions
Faster Incoherent Ray Traversal Using 8-Wide AVX Instructions Attila T. Áfra Technical Report Abstract Efficiently tracing randomly distributed rays is a highly challenging problem on wide-SIMD...
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Stackless Multi-BVH Traversal for CPU, MIC and GPU Ray Tracing
Stackless Multi-BVH Traversal for CPU, MIC and GPU Ray Tracing Attila T. Áfra and László Szirmay-Kalos Computer Graphics Forum 33(1), February 2014 Abstract Stackless traversal algorithms for ray...
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Local Shading Coherence Extraction for SIMD-Efficient Path Tracing on CPUs
Local Shading Coherence Extraction for SIMD-Efficient Path Tracing on CPUs Attila T. Áfra, Carsten Benthin, Ingo Wald, Jacob Munkberg (Intel Corporation) High-Performance Graphics 2016 Abstract...
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Embree Ray Tracing Kernels: Overview and New Features
Embree Ray Tracing Kernels: Overview and New Features Attila T. Áfra, Ingo Wald, Carsten Benthin, Sven Woop SIGGRAPH 2016 Talk Abstract Embree is an open source ray tracing library consisting of...
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