In order to satisfy the demand of fast change of GUI (graph user interface) raised by application software, a GUI generator is designed based on XML and XSD (XML schema description language). It is supported by paring and persistent algorithms based on the idea of depth recursion and width recursion. The generator is composed of a GUI designer and a GUI parser. Semantics of both layout and data model are supported, including the hierarchy style and data models of group, union and enumerator. Finally, an example of router of some network intrusion detecting system is shown, in which GUI can be generated in Java and C# languages, and the semantic validity of input data can be checked also.%基于多核体系下的系统运行效率越来越受到各行业的关注,一个系统往往是由若干软件子模块构成的.一个完整的系统可以由Tomcat,Httpd以及Lucene这3个软件模块构成.这些软件本身均进行了一定的优化,各自运行效率都良好,可是如果将它们整合成一个系统,其效率的提高仍需要从整体多方面考虑.从不同软件的子任务之间的关系入手,通过分析它们的特点,提出苦干提高整体性能的方案.研究贡献在于以下3个方面:1)线程间同步操作的消除；2)通过多任务重排提高并行度；3)系统调用的单线程化.结果表明系统整体性能得到了提高,同时,每个子任务完成的功能更加清晰明了.
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