Human folly for 02016-09-29

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• rANS in practice (fgiesen.wordpress.com):

  #compression codec #algorithms using #ryg’s rANS: Oodle LZNA and BitKnit #toread

• Intervals in modular arithmetic (fgiesen.wordpress.com):

  #interval-arithmetic #math #algorithms in ℤ/Nℤ #toread by #ryg

• End of buffer checks in decompressors (fgiesen.wordpress.com):

  #compression #algorithms #performance testing for end-of-buffer with branchless I/O etc. by #ryg

• Write combining is not your friend (fgiesen.wordpress.com):

  Write combining can cause #performance problems in #graphics #algorithms or can speed them up. #toread by #ryg

• Software occlusion culling (software.intel.com):

  “an algorithm and associated sample code [using #SSE] for software occlusion culling which is available for download” #algorithms #performance #toread this is what ryg was commenting on in his 2013 #graphics thread

• Programming using AVX2 permutations (software.intel.com):

  permuting bytes and words using AVX2 VPACK, VPUNPCKL, VPSHUFB, etc. #sse #performance #vectorization

• The barycentric conspirac (fgiesen.wordpress.com):

  improving #graphics #algorithms #performance with #barycentric coordinates. #toread by #ryg

• Triangle rasterization in practice (fgiesen.wordpress.com):

  #graphics #algorithms rasterizing triangles with #barycentric coordinates without worrying about performance #toread by #ryg

• Optimizing the BASIC rasterizer (fgiesen.wordpress.com):

  #graphics #algorithms #performance #sse #toread by #ryg

• SSE mind the gap (fgiesen.wordpress.com):

  #sse #performance #toread by #ryg #vectorization

• ISIS middle East Arab spring fractured lands (nytimes.com):

  acclaimed feature on the #history of #Daesh #toread

• Chapter14 (glprogramming.com):

  the chapter from the #OpenGL Red Book that covers the stencil buffer XOR polygon filling hack. #graphics