Feature/avx512 excess v2

[Malkovsky]

• Reduced number of instructions in lut approach
• Tighter cutoff

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (6 files)

• .kilo/skills/benchmarks/SKILL.md
• .kilo/skills/cmake/SKILL.md
• .kilo/skills/setup-cpp-repo/SKILL.md
• .kilo/skills/setup-cpp-repo/references/project_structure.md
• .kilo/skills/setup-cpp-repo/scripts/init_cpp_project.py
• include/pixie/bits.h

---

_{Reviewed by gpt-5.3-codex · 476,831 tokens}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.29%. Comparing base (58fc9fa) to head (a520cc0).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #44      +/-   ##
==========================================
- Coverage   87.29%   87.29%   -0.01%     
==========================================
  Files          12       12              
  Lines        3118     3117       -1     
  Branches      612      612              
==========================================
- Hits         2722     2721       -1     
  Misses        260      260              
  Partials      136      136              

Flag	Coverage Δ
gcov	87.29% <100.00%> (-0.01%)	⬇️

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