---
title: optimizationLevel
framework: metalperformanceshadersgraph
role: symbol
role_heading: Instance Property
path: metalperformanceshadersgraph/mpsgraphcompilationdescriptor/optimizationlevel
---

# optimizationLevel

The optimization level for the graph execution, default is MPSGraphOptimizationLevel1.

## Declaration

```swift
var optimizationLevel: MPSGraphOptimization { get set }
```