We present Doloto, a system that analyzes application workloads and automatically performs code splitting of existing large Web 2.0 applications. After being processed by Doloto, an application will initially transfer only the portion of code necessary for application initialization. Whenever new code is needed, it will be fetched on demand.
In practice, Doloto reduces the size of application code download by hundreds of kilobytes or as much as 50% of the original download size. The time to download and begin interacting with large applications is reduced by 20-40% depending on the application and wide-area network conditions.
Ben Livshits is a researcher at Microsoft Research in Redmond, WA. He received a B.A. from Cornell University in 1999, and his M.S. and Ph.D. from Stanford University in 2002 and 2006, respectively. Dr. Livshits’ research interests include application of sophisticated static and dynamic analysis techniques to finding errors in programs. He is known for his work on software reliability and especially tools to improve software security, with a primary focus on approaches to finding buffer overruns in C programs and a variety of security vulnerabilities (cross-site scripting, SQL injections, etc.) in Web-based applications. Lately he has been focused on how Web 2.0 application reliability, performance, and security can be improved through a combination of static and runtime techniques.
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