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One Billion Row Challenge (1BRC) solution in C++

  • Tricks:
    • Compile-time perfect hash with mph library.
    • SIMD (AVX-512 on Zen4) with highway library.
  • Tested on x86-64 and ARM64 (Apple Silicon).
  • Finishes in ~0.65s on AMD Ryzen 5 7640U, down from 98s with a native implementation (150x speedup).

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