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Add iOS 12 Auto Layout comparison #10

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@Linslav

Apple claimed that they improved Auto Layout performance on iOS 12, would be interesting to see the difference.

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  1. weibel commented on Jul 3, 2018

    @weibel

    I second this. Apple stated at WWDC that the run time complexity for Auto Layout had been decreased from exponential to linear in iOS12.

  2. arslaman commented on Feb 14, 2023

    @arslaman

    I've just run the project on iPhone 13 Pro Max (iOS 16.3) and found out that on average Autolayout is 3-3.2x worse than the competitions and StackView is about 3.5-4x worse:

    Auto Layout	0.0097,0.0154,0.0212,0.0273,0.0344,0.0405,0.0449,0.0502,0.0558,0.0622,
    FlexLayout 1.3	0.0037,0.0056,0.0072,0.0090,0.0109,0.0122,0.0141,0.0157,0.0173,0.0191,
    LayoutKit 10.1	0.0032,0.0044,0.0057,0.0069,0.0082,0.0093,0.0106,0.0117,0.0129,0.0141,
    Manual Layout	0.0036,0.0054,0.0072,0.0089,0.0106,0.0124,0.0142,0.0161,0.0178,0.0197,
    NKFrameLayoutKit 2.5	0.0033,0.0044,0.0055,0.0066,0.0076,0.0088,0.0099,0.0110,0.0121,0.0133,
    PinLayout 1.10	0.0032,0.0047,0.0062,0.0077,0.0093,0.0108,0.0124,0.0139,0.0154,0.0171,
    Texture 3.1	0.0017,0.0032,0.0046,0.0063,0.0075,0.0088,0.0103,0.0116,0.0129,0.0142,
    UIStackView	0.0121,0.0190,0.0263,0.0331,0.0402,0.0472,0.0540,0.0608,0.0681,0.0753,
    Completed!
    

    Note that I had to exclude NotAutoLayout because it was deprecated and contains build issues.

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