# Fan-out/Fan-in / Serial Item Processing

> "fan-out-fan-in" (execution-core layer) is traded against "Serial Item Processing" (execution-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Serial Item Processing" and choosing an explicit operating point.

Record: `tension:fan-out-fan-in-serial-item-processing`
Kind: tension
Canonical: https://banes-lab.com/ontology/schema#tension-fan-out-fan-in-serial-item-processing

## tensions-with

- [Fan-out/Fan-in](https://banes-lab.com/records/arch/fan-out-fan-in.md)
- [Serial Item Processing](https://banes-lab.com/records/lex/serial-item-processing.md)