---
title: polarity
framework: xctest
role: symbol
role_heading: Instance Property
path: xctest/xctperformancemeasurement/polarity-swift.property
---

# polarity

A constant that states whether larger or smaller measurements, relative to a set baseline, indicate better performance.

## Declaration

```swift
var polarity: XCTPerformanceMeasurement.Polarity { get }
```

## See Also

### Accessing Measured Values

- [doubleValue](xctest/xctperformancemeasurement/doublevalue.md)
- [unitSymbol](xctest/xctperformancemeasurement/unitsymbol.md)
- [value](xctest/xctperformancemeasurement/value.md)
- [XCTPerformanceMeasurement.Polarity](xctest/xctperformancemeasurement/polarity-swift.enum.md)