# Complexity Model

> A representation of how an algorithm's resource use scales with input size.

Record: `lexicon:complexity-model`
Kind: model
Layer: [Performance Core](https://banes-lab.com/records/layer/performance-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-complexity-model

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Complexity Awareness](https://banes-lab.com/records/lexicon/complexity-awareness.md) and before [Externalized State](https://banes-lab.com/records/lexicon/externalized-state.md).

## Category

- [Scalability / Performance / Optimization](https://banes-lab.com/records/lexicon-category/scalability-performance-optimization.md)

## Required by

- [Big O Notation](https://banes-lab.com/records/architecture/big-o-notation.md)

## Linked from

- [Scalability / Performance / Optimization](https://banes-lab.com/ontology/principles/architecture-category-scalability-performance-optimization.md)