For more details: https://github.com/gunnarmorling/1brc
Reference solution in Haskell: https://github.com/vaibhavsagar/experiments/tree/d3302a76c641d532db2bf1cb3f8793484dfdbfc0/1brc
$ hyperfine './result/bin/1brc "../../1brc/data/hundred-millions.txt" > /dev/null'
Benchmark 1: ./result/bin/1brc "../../1brc/data/hundred-millions.txt" > /dev/null
Time (mean ± σ): 8.810 s ± 0.070 s [User: 8.381 s, System: 0.428 s]
Range (min … max): 8.737 s … 8.967 s 10 runs
# TODO