Writing

Jul 9, 2026 / linux, scheduling, performance, systems
Why p99 Increases While Average CPU Utilization Stays Flat
A request can accumulate queueing delay that average CPU utilization does not reveal, so measure its path before increasing the worker count.
May 30, 2026 / technology, AI, history, evolution
When a Workflow Starts Depending on a Tool
If a week without the tool leaves work unassigned or projects unmaintainable, the workflow already depends on it.
Apr 12, 2026 / ai agents, security, least privilege, governance
A Benevolent Agent With Root Access Is Still a Tyrant
A safe agent workflow keeps local edits separate from remote changes and requires authorization before anything becomes public.
Feb 26, 2026 / AI, mathematics, software, evaluation
Evaluating New Representations
Explanatory value appears when a new representation makes later problems easier to formulate or solve.
Jan 17, 2026 / AI, education, learning, programming
An AI Tutor Should Diagnose Before It Answers
Tutoring software should estimate what a student understands and adjust the next step to that knowledge.