Viewing Component Statistics

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Added by Barbara Weinstein, last edited by Barbara Weinstein on Jul 05, 2009

As you work with components in General Interface Builder, you can view component statistics to assist you in evaluating and benchmarking application performance. The statistics display in the work area status bar of an open component. Hover the mouse over the status bar to see the description of the statistics. Save or reload the component file to update the statistics or click the Refresh button in the work area status bar.

The following statistics are reported:

Component file size in kilobytes (KB)
Time to unmarshal (deserialize) the component serialization file in seconds
DOM (Document Object Model) node count
Time to paint in seconds

HTML size in kilobytes (KB)

Any asynchronous operation isn't reflected in the DOM node count. For example, when a component is set to Referenced-Asynchronous or an asynchronous Load Type property is used, such as Paint & Deser. Async. These asynchronous operations are also not included in the timings or HTML size.

You can improve application performance by specifying how a component loads with the Load Type property. For more information, see Loading Components and XML Data Sources.

Creating Components

Chapter 1 Working with Components

Adding Components

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Viewing Component Statistics

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