Improve multicore performance

Wiebe van Breukelenrequested to merge
improve-multicore-perf into main

Changes:

  • Better multicore friendly data layout, better suitable for multicore workloads.
  • Integration of the TrigDx library for high-performance trigonometric computations. Not all operations can yet be performed by a TrigDx lookup table, especially as some sinusoidal operations are done in double precision. Switching to floating point in these cases cause a significant drop in accuracy (>1.0e-4). The number of elements in the lookup table may be increased, or these operations should fall back to a 'compute-based' sin/cos implementation.
Edited by Wiebe van Breukelen

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