Locality benchmark
A C benchmark timing row-major, column-major and scrambled-order traversal of a 645 MiB matrix, with the machine it was measured on.
locality-benchmark.c
Source exhibits
Every file here exists because a brief makes a claim it lets you check. Each one is served verbatim, and shown with the output and the machine it was recorded on.
LLMs Can Write Code, but Cannot Read Your Mind
Password generator in Python: random against secrets
Two Python password generators separated by a single import, with the output that proves running them cannot tell you which is safe.
password-random.py · password-secrets.py
Password generator in C: the fix that is not one
Two C password generators where the second corrects the visible bug competently and is still predictable, with the runs that show it.
password-rand.c · password-srand.c