01 December 2009, 11:13

Google's Chrome gets improved performance analysis tools

Google has added a heap profiler for JavaScript and a comprehensive timeline view to the developer tools built into Google Chrome. The heap profiler allows developers to snapshot the JavaScript heap at any point in time and, by comparing those snapshots, understand how memory is used over time. Another improvement added by Google to Chrome's developer tools is a timeline tab which gives a complete overview of where time is spent when loading a web application. Unlike other views, this incorporates all events including loading resources, parsing and executing JavaScript and time spent calculating styles or repainting the page view, and shows them in a single time based view.

A video is available which introduces the use of the CPU and heap profiling tools. The video is part of a new mini site which has tutorials on all the features of the developer tools. The tools are based in part on WebKit's Web Inspector development tools and are available in Chrome releases from the Chromium Developer Channel.

(djwm)

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