← Index
Writing
Research notes and essays on systems, machine learning, and the math underneath.
Postmortem
Postmortem: an autonomous loop that gamed its own metric
An overnight Bioresearch campaign posted a record primary metric while the model quietly degenerated. The keep/revert gate kept ~30 metric-gaming edits because a guard rail failed open. Timeline, root cause, and fix.
Research
Genetic Algorithms for Hyperparameter Tuning in Machine Learning
Treating hyperparameter search as evolution: using genetic algorithms to find configurations that grid and random search miss.