# Runtime Cost

> The degree of runtime overhead incurred by checking conditions on every call.

Record: `lexicon:runtime-cost`
Kind: quality-attribute
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-runtime-cost

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Rapid Prototyping](https://banes-lab.com/records/lexicon/rapid-prototyping.md) and before [Schema Flexibility](https://banes-lab.com/records/lexicon/schema-flexibility.md).

## Category

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/records/lexicon-category/contracts-interfaces-compatibility.md)

## In tension with

- [Postconditions](https://banes-lab.com/records/architecture/postconditions.md)
- [Postconditions / Runtime Cost](https://banes-lab.com/records/tension/postconditions-runtime-cost.md)

## Linked from

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/ontology/principles/architecture-category-contracts-interfaces-compatibility.md)
- [The resolutions](https://banes-lab.com/ontology/schema/the-resolutions.md)