# BNNS.PoolingType.max(indices:xDilationStride:yDilationStride:) A function for pooling that computes the maximum of each element in the pooling kernel. ``` case max(indices: UnsafeMutableBufferPointer? = nil, xDilationStride: Int = 0, yDilationStride: Int = 0) ``` --- Copyright © 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)