---
title: blockSize
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/sparsematrixstructure/blocksize
---

# blockSize

The block size of the matrix.

## Declaration

```swift
var blockSize: UInt8
```

## Mentioned in

Creating sparse matrices

## See Also

### Inspecting the properties of a sparse matrix description

- [attributes](accelerate/sparsematrixstructure/attributes.md)
- [columnCount](accelerate/sparsematrixstructure/columncount.md)
- [columnStarts](accelerate/sparsematrixstructure/columnstarts.md)
- [rowCount](accelerate/sparsematrixstructure/rowcount.md)
- [rowIndices](accelerate/sparsematrixstructure/rowindices.md)