How to efficiently perform compute reductions?

• spirit

  2 63 1.8 C++

  Atomistic Spin Simulation Framework (by DTolm)

If you are interested in how I merged subgroup reduction with compute parts, these consecutive shaders might be a useful example - here sum of dot products is computed over the big system (the second shader can be repeated an arbitrary number of times to get to the single number output, which is used in the third shader for more computations): https://github.com/DTolm/spirit/blob/master/shaders/ApplyVP1.comp https://github.com/DTolm/spirit/blob/master/shaders/ReduceDotFinish.comp https://github.com/DTolm/spirit/blob/master/shaders/ApplyVP2_float.comp

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