---
title: synchronizeUpdates()
framework: ML Compute
role: symbol
role_heading: Instance Method
platforms: [iOS 14.0+, iPadOS 14.0+, Mac Catalyst 14.0+, macOS 11.0+, tvOS 14.0+]
path: mlcompute/mlctraininggraph/synchronizeupdates()
---

# synchronizeUpdates()

Synchronizes updates from device memory.

## Declaration

```swift
func synchronizeUpdates()
```

## Discussion

Discussion This method synchronizes the weights/biases from convolution, fully connected and LSTM layers, and tensor parameters, from device memory to host memory.

## See Also

### Executing Training Iterations

- [execute(inputsData:lossLabelsData:lossLabelWeightsData:batchSize:options:completionHandler:)](mlcompute/mlctraininggraph/execute(inputsdata:losslabelsdata:losslabelweightsdata:batchsize:options:completionhandler:).md)
- [execute(inputsData:lossLabelsData:lossLabelWeightsData:outputsData:batchSize:options:completionHandler:)](mlcompute/mlctraininggraph/execute(inputsdata:losslabelsdata:losslabelweightsdata:outputsdata:batchsize:options:completionhandler:).md)
- [setTrainingTensorParameters(_:)](mlcompute/mlctraininggraph/settrainingtensorparameters(_:).md)
- [MLCExecutionOptions](mlcompute/mlcexecutionoptions.md)
- [MLCGraphCompletionHandler](mlcompute/mlcgraphcompletionhandler.md)