Continuous Delivery 2.0

Jun 6, 2025 · R&D Management

How Meta Leverages DAT to Make Development Efficiency Data-Driven

Meta’s engineering teams built a data‑driven efficiency metric system centered on Diff Authoring Time (DAT), using OS telemetry, IDE integration, and threshold rules to quantify active coding, guide toolchain optimization, and align individual and collaborative workflows, ultimately fostering a culture where data guides development decisions.