---
title: control
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnnslayerparametersdropout/control
---

# control

An 8-bit bit mask that indicates the dimension of the grouping of the dropout decision.

## Declaration

```swift
var control: UInt8
```

## See Also

### Instance Properties

- [i_desc](accelerate/bnnslayerparametersdropout/i_desc.md)
- [o_desc](accelerate/bnnslayerparametersdropout/o_desc.md)
- [rate](accelerate/bnnslayerparametersdropout/rate.md)
- [seed](accelerate/bnnslayerparametersdropout/seed.md)