============================================================
  DSRC (C++) vs Nim wrapper  —  Benchmark Summary
============================================================

  Compression, single thread
    dsrc (C++):  679.9 ms  ± 7.7 ms
    Nim wrapper: 900.1 ms  ± 3.8 ms
    → Nim is 1.32x slower (+32% overhead)

  Compression, 4 threads
    dsrc (C++):  312.9 ms  ± 2.4 ms
    Nim wrapper: 396.2 ms  ± 3.9 ms
    → Nim is 1.27x slower (+27% overhead)

  Decompression, single thread
    dsrc (C++):  495.8 ms  ± 2.5 ms
    Nim wrapper: 790.7 ms  ± 2.1 ms
    → Nim is 1.59x slower (+59% overhead)

  Decompression, 4 threads
    dsrc (C++):  188.1 ms  ± 3.5 ms
    Nim wrapper: 395.2 ms  ± 2.1 ms
    → Nim is 2.10x slower (+110% overhead)

------------------------------------------------------------
  Overall verdict
------------------------------------------------------------
  Average across 4 cases: Nim is 1.57x vs C++
  Mean overhead: +57%

  The Nim wrapper is noticeably slower than the C++ dsrc tool.

