# Happens-Before Relationship / Parallel Execution

> "happens-before-relationship" (causality-core layer) is traded against "Parallel Execution" (causality-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Parallel Execution" and choosing an explicit operating point.

Record: `tension:happens-before-relationship-parallel-execution`
Kind: tension
Canonical: https://banes-lab.com/ontology/schema#tension-happens-before-relationship-parallel-execution

## tensions-with

- [Happens-Before Relationship](https://banes-lab.com/records/arch/happens-before-relationship.md)
- [Parallel Execution](https://banes-lab.com/records/lex/parallel-execution.md)