Green AI on Giovanni Pinna https://giovannipinna.net/tags/green-ai/ Recent content in Green AI on Giovanni Pinna Hugo en Mon, 13 Oct 2025 00:00:00 +0000 Sometimes the Best Feature Engineering Is Throwing Features Away https://giovannipinna.net/posts/ssbse2025-hotcat/ Mon, 13 Oct 2025 00:00:00 +0000 https://giovannipinna.net/posts/ssbse2025-hotcat/ Classifying urgent software hotfixes is hard: tiny dataset, brutal class imbalance, expensive LLM features. We let evolution pick which features to keep — and discovered some were actively making things worse. Sometimes Your AI Agent Burns More Energy Optimizing Code Than the Code Will Ever Save https://giovannipinna.net/posts/ssbse2025-ga4gc/ Mon, 13 Oct 2025 00:00:00 +0000 https://giovannipinna.net/posts/ssbse2025-ga4gc/ AI coding agents that 'optimize' your code can cost more energy than they save — for hundreds of thousands of runs. We tuned the agent itself, and got 37.7% faster runs and better code at the same time.