Michael Tsai
Improving the Apple Watch Without New Hardware: http://mjtsai.com/blog/2016/04/06/improving-the-apple-watch-without-new-hardware/ … #mjtsaiblog
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@mjtsai Speaking of this, have you profiled apps running on the watch? The CPU isn't that slow, the APIs are insanely inefficient.
McCloud
@McCloudStrife No, I don’t have a watch. That is a surprising finding, though. Everyone I’ve seen talk about this has blamed the CPU.
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@mjtsai Problem is, IPC involves lots of objc_msgSend to [un]marshal and memcpy()'s stuff over so creating a 200 item picker saturates I/O. -
@mjtsai The other major issue: "native" watchOS 2 apps aren't native they spawn a UI process (Apple's) and a logic process (app) & uses IPC. -
@mjtsai Things I've seen like time labels were constructed using SpriteKit (!!) to a CALayer where rasterizing fonts directly is TONS faster
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