<!--
{
  "availability" : [
    "iOS: 17.4.0 -",
    "iPadOS: 17.4.0 -",
    "macCatalyst: 17.4.0 -",
    "macOS: 14.4.0 -",
    "tvOS: 17.4.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 10.4.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "CoreML",
  "identifier" : "/documentation/CoreML/MLOptimizationHints-swift.struct",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "Core ML"
    ],
    "preciseIdentifier" : "s:6CoreML19MLOptimizationHintsV"
  },
  "title" : "MLOptimizationHints"
}
-->

# MLOptimizationHints

```
struct MLOptimizationHints
```

## Topics

### Creating optimization hints

[`init()`](/documentation/CoreML/MLOptimizationHints-swift.struct/init())

Construct an MLOptimizationHints

### Getting the reshape frequency

[`reshapeFrequency`](/documentation/CoreML/MLOptimizationHints-swift.struct/reshapeFrequency-swift.property)

The anticipated reshape frequency

[`MLOptimizationHints.ReshapeFrequency`](/documentation/CoreML/MLOptimizationHints-swift.struct/ReshapeFrequency-swift.enum)

The anticipated frequency of changing input shapes.

### Getting the specialization strategy

[`specializationStrategy`](/documentation/CoreML/MLOptimizationHints-swift.struct/specializationStrategy-swift.property)

Optimization strategy for the model specialization.

[`MLOptimizationHints.SpecializationStrategy`](/documentation/CoreML/MLOptimizationHints-swift.struct/SpecializationStrategy-swift.enum)

The optimization strategy for the model specialization.


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)