---
title: "copy(with:device:)"
framework: metalperformanceshaders
role: symbol
role_heading: Instance Method
path: "metalperformanceshaders/mpsrnnmatrixinferencelayer/copy(with:device:)"
---

# copy(with:device:)

## Declaration

```swift
func copy(with zone: NSZone? = nil, device: (any MTLDevice)?) -> Self
```

## See Also

### Instance Methods

- [encodeBidirectionalSequence(commandBuffer:sourceSequence:destinationForwardMatrices:destinationBackwardMatrices:)](metalperformanceshaders/mpsrnnmatrixinferencelayer/encodebidirectionalsequence(commandbuffer:sourcesequence:destinationforwardmatrices:destinationbackwardmatrices:).md)
- [encodeSequence(commandBuffer:sourceMatrices:destinationMatrices:recurrentInputState:recurrentOutputStates:)](metalperformanceshaders/mpsrnnmatrixinferencelayer/encodesequence(commandbuffer:sourcematrices:destinationmatrices:recurrentinputstate:recurrentoutputstates:).md)
- [MPSRNNRecurrentMatrixState](metalperformanceshaders/mpsrnnrecurrentmatrixstate.md)
- [encodeSequence(commandBuffer:sourceMatrices:sourceOffsets:destinationMatrices:destinationOffsets:recurrentInputState:recurrentOutputStates:)](metalperformanceshaders/mpsrnnmatrixinferencelayer/encodesequence(commandbuffer:sourcematrices:sourceoffsets:destinationmatrices:destinationoffsets:recurrentinputstate:recurrentoutputstates:).md)