---
id: "AEB-017"
category: "performance_optimization"
confidence: 0.93
date: "2026-02-15"
source_file: "Agentic OS Blueprint Research Synthesis (TPU Kernel Optimization section, OpenReview FCFM3Yxtsm)"
---

# AEB-017

LLMTuner acts as a semantic feature extractor mapping program specifications to quantitative performance scores, achieving 49.2% accuracy improvement in performance estimation on unseen hardware -- unlike black-box methods, it produces human-readable diagnostics explaining WHY a kernel is slow (e.g., memory-bound by shared-memory bank conflicts)

## Relationships

