Anupam Chugh anupamchugh

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

You've got two main options:

NOTE: This is a question I found on StackOverflow which I’ve archived here, because the answer is so effing phenomenal.

If you are not into long explanations, see [Paolo Bergantino’s answer][2].

	# ------------------------------------------------------------------
	# EDIT: I eventually found a faster way to run SD on macOS, via MPSGraph (~0.8s / step on M1 Pro):
	# https://github.com/madebyollin/maple-diffusion
	# The original CoreML-related code & discussion is preserved below :)
	# ------------------------------------------------------------------

	# you too can run stable diffusion on the apple silicon GPU (no ANE sadly)
	#
	# quick test portraits (each took 50 steps x 2s / step ~= 100s on my M1 Pro):
	# * https://i.imgur.com/5ywISvm.png

	func preprocessImage() -> UIImage{
	var image = canvasView.drawing.image(from: canvasView.drawing.bounds, scale: 10.0)
	if let newImage = UIImage(color: .black, size: CGSize(width: view.frame.width, height: view.frame.height)){
	if let overlayedImage = newImage.image(byDrawingImage: image, inRect: CGRect(x: view.center.x, y: view.center.y, width: view.frame.width, height: view.frame.height)){
	image = overlayedImage
	}
	}
	}

	import Foundation

	protocol Settings {
	subscript(key: String) -> AnyObject? { get nonmutating set }
	}

	struct Defaults: Settings {
	typealias Set = (String, AnyObject?) -> Void
	typealias Get = (String) -> AnyObject?

	// It is important to declare your variables.

	(function() {
	var foo = 'Hello, world!';
	print(foo); //=> Hello, world!
	})();

	// Because if you don't, the become global variables.

	(function() {