One billion row challenge Original Challenge https://github.com/gunnarmorling/1brc Usage $ pip3 install -r requirements.txt $ python3 main.py > a.out $ diff -w a.out measurements-100000.out You should see nothing from the diff result. PC Specs CPU: AMD Ryzen 9 7950X Ram: 64GB SSD: Samsung SSD 990 PRO 2TB Results 1B row -> ~3.781s 100k row -> ~0.124s