Core Plot 在第 2 代 iPod Touch 上速度缓慢？
我正在使用 Core Plot 开发一些 iOS 应用程序，但在我的 iPod Touch 第二代上，缩放和平移似乎有点缓慢且不稳定（在模拟器中看起来很好）。设备只是速度慢吗？它在更新的 iPhone 等设备上看起来应该更好吗？我无法将任何示例部署到 iPod，所以我看不到它们是如何工作的。
I'm using Core Plot to develop some iOS applications, but zooming and panning seems to be sort of slow and jerky on my iPod Touch 2nd gen (it looks fine in simulator). Is the device just slow? Should it look better on more recent iPhones and such? I can't get any of the examples to deploy to the iPod so I can't see how they do.
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模拟器利用计算机的功能来模拟 iOS 设备的用户界面和（很多）软件，而不是硬件。第二代 iPod Touch 的有限内存和 CPU（由于这些原因不受最新版本操作系统支持）很可能会在 Core Pot 进行的繁重渲染中出现问题。最新的设备确实拥有更强大的装备，但仍然比您的计算机受到更多限制。如果 Core Plot 在您的设备上无法使用，则由于实施错误，它在其他更新的设备上可能仍然感觉缓慢。也许您可以与我们分享一些集成代码或描述您的应用程序使用的数据的类型和数量？
The simulator uses the power of your computer to simulate the user interface and (a lot of) the software of an iOS device, not it's hardware. It is well possible the limited amount of memory and CPU of a second generation iPod Touch (not supported by the latest version of the OS for these reasons) can have issues with the heavy rendering made by Core Pot. Latest devices do have more powerful gear, but are still way more constrained than your computer. If Core Plot s unusable on your device, it may still feel sluggish on other, more recent, devices because of a faulty implementation. Perhaps you could share with us some code of your integration or describe the type and quantity of data used by your app?