2026-07-10 Briefing

China dropped its urban jobs target for the first time since the 1990s in its five-year plan, citing AI-driven economic shifts. In tech, Scarf moved away from Haskell after seven years, blaming long compilation times as a bottleneck. A performance regression in Open MPI on Slingshot interconnects was traced to libcxi errors causing a fallback to TCP/IP, reducing bandwidth from 25 GB/s to 2.3 GB/s.