diff -ruN /Applications/Xcode_26.0.0-beta4.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MetalPerformanceShadersGraph.framework/Headers/MPSGraph.h /Applications/Xcode_26.0.0-beta5.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MetalPerformanceShadersGraph.framework/Headers/MPSGraph.h --- /Applications/Xcode_26.0.0-beta4.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MetalPerformanceShadersGraph.framework/Headers/MPSGraph.h	2025-07-12 00:03:56 +++ /Applications/Xcode_26.0.0-beta5.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MetalPerformanceShadersGraph.framework/Headers/MPSGraph.h	2025-07-25 20:54:46 @@ -57,6 +57,21 @@ MPSGraphExecutionStageCompleted MPS_ENUM_AVAILABLE_STARTING(macos(13.0), ios(16.0), tvos(16.0)) MPS_SWIFT_NAME(completed) = 0L, }; + +/// MPSGraph could use these reduced precision paths to deliver faster math, but it is not guaranteed. +typedef NS_OPTIONS(NSUInteger, MPSGraphReducedPrecisionFastMath) +{ + /// Full precision math with maximum accuracy. + MPSGraphReducedPrecisionFastMathNone MPS_SWIFT_NAME(none) = 0, + /// Execute winograd transform intermediate as FP16. + MPSGraphReducedPrecisionFastMathAllowFP16Conv2DWinogradTransformIntermediate = 1 << 1, + /// Curated list allowing intermediates for multi-pass GPU kernels to be FP16. + MPSGraphReducedPrecisionFastMathAllowFP16Intermediates = MPSGraphReducedPrecisionFastMathAllowFP16Conv2DWinogradTransformIntermediate, + /// Default selection. + MPSGraphReducedPrecisionFastMathDefault = MPSGraphReducedPrecisionFastMathNone, +} MPS_AVAILABLE_STARTING(macos(26.0), ios(26.0)); + + /// A dictionary of tensors and corresponding tensor data. MPS_AVAILABLE_STARTING(macos(11.0), ios(14.0), tvos(14.0)) typedef NSDictionary<MPSGraphTensor*, MPSGraphTensorData *> MPSGraphTensorDataDictionary; @@ -125,6 +140,9 @@ /// The dictionary used during runtime to lookup the ``MPSGraphExecutable`` which correspond to the ``symbolName``. @property (readwrite, atomic, nullable) MPSGraphCallableMap *callables MPS_AVAILABLE_STARTING(macos(14.1), ios(17.1), tvos(17.1)); + +/// Across the executable allow reduced precision fast math optimizations. +@property (readwrite, atomic) MPSGraphReducedPrecisionFastMath reducedPrecisionFastMath MPS_AVAILABLE_STARTING(macos(26.0), ios(26.0)); @end