close

 

使用Release build，將一張512 x 512 Pixel 的圖片做二值化，並計算所花的時間(越少越快)

 

執行速度:

Swift > "Swift with Objective-C Bridge" > Objective-C ，果然有跟之前看到文章效能測試吻合!

 

測試的順序:

1.Swift with Objective-C Bridge (最快約 0.003 ms)

2.Swift (最快約 0.002 ms)

3.Objective-C (最快約 0.005 ms)

 

Github:

https://github.com/Bosian/Swift-vs-Bridge-vs-Objc-ImageProcessing

 

參考資料：

http://mhorga.org/2015/10/05/image-processing-in-ios.html

http://mhorga.org/2015/10/12/image-processing-in-ios-part-2.html

http://mhorga.org/2015/10/19/image-processing-in-ios-part-3.html

http://stackoverflow.com/questions/34976230/execution-was-interrupted-in-swift-when-creating-grayscale-filter-to-rgb-image 

http://stackoverflow.com/questions/32441432/release-unsafemutablebufferpointeruint8-values

http://sketchytech.blogspot.tw/2014/09/unsafe-pointers-in-swift-how-to-build.html

https://onevcat.com/2015/01/swift-pointer/

http://swifter.tips/pointer-memory/

http://stackoverflow.com/questions/25127700/two-dimensional-array-in-swift

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