---
title: "rowBytes(forColumns:dataType:)"
framework: metalperformanceshaders
role: symbol
role_heading: Type Method
path: "metalperformanceshaders/mpsmatrixdescriptor/rowbytes(forcolumns:datatype:)"
---

# rowBytes(forColumns:dataType:)

## Declaration

```swift
class func rowBytes(forColumns columns: Int, dataType: MPSDataType) -> Int
```

## See Also

### Methods

- [init(dimensions:columns:rowBytes:dataType:)](metalperformanceshaders/mpsmatrixdescriptor/init(dimensions:columns:rowbytes:datatype:).md)
- [rowBytes(fromColumns:dataType:)](metalperformanceshaders/mpsmatrixdescriptor/rowbytes(fromcolumns:datatype:).md)