Rust and sustainable IT
summary
Benchmarks show Rust ranking near the top — often second for energy and time (sixth for memory) — but architecture, runtime and databases matter more than language alone. Built tools include Scaffold (Rust metering agent) using RAPL power measurements to attribute CPU/memory energy, an open Datavist/Datavisa API for embodied‑impact metrics, and a CI impact dashboard. Claims: ICT now causes ~2–4% of global GHGs rising toward 6–8% by 2025; smartphones ~1.5B/year vs ~20M servers; PUEs can reach ~1.2–1.3.
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