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perf: optimize instruction_lookups::generate_witness() with improved parallelism #634

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@crStiv crStiv commented Apr 7, 2025

Fix #293

  • Add parallel processing for subtable_lookup_indices
  • Pre-allocate memory for vectors to reduce reallocations
  • Optimize memory usage pattern in processing polynomials
  • Improve data unpacking efficiency with better vector capacity management

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Optimize / Parallelize InstructionLookups::polynomialize
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