---
title: i_desc
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnnslayerparametersreduction/i_desc
---

# i_desc

The descriptor of the input.

## Declaration

```swift
var i_desc: BNNSNDArrayDescriptor
```

## See Also

### Instance Properties

- [o_desc](accelerate/bnnslayerparametersreduction/o_desc.md)
- [w_desc](accelerate/bnnslayerparametersreduction/w_desc.md)
- [reduce_func](accelerate/bnnslayerparametersreduction/reduce_func.md)
- [epsilon](accelerate/bnnslayerparametersreduction/epsilon.md)