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Slides for a talk @ try! Swift Tokyo 2018
[Abstract] Metal is an API that provides access to the GPU. Apple announced it's 10x times faster than OpenGL. In this session, I'll explain the basics of Metal, then compare the performance of graphics rendering with UIImageView.
Even if you don't use the API directly, your app is implicitly benefitting from Metal. This comparison to a familiar class will lead you to be conscious of the GPU layer that we usually miss.
【概要】
MetalはGPUへのアクセスを提供するAPIで、OpenGLより10倍速いという謳い文句で登場しました。本セッションではMetalの基礎を解説しつつ、iOSにおけるグラフィックス描画性能をUIImageViewと比較してみます。
MetalのAPIを直接利用する機会がなくても、Metalはあなたのアプリの裏で暗躍しています。身近なクラスとの比較を通じて、普段我々が意識することのないGPUのレイヤで何が起きているのか、目を向けてみるきっかけになればと思います。
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