Abstract
As multi-cores arrive for mainstream desktop systems, developers must invest the effort to parallelize their applications. We present Parallel Task (short ParaTask), a solution to assist the parallelization of object-oriented applications, with the unique feature of including support for the parallelization of graphical user interface (GUI) applications. In the simple, but common, cases concurrency is introduced with a single keyword. Due to the wide variety of parallelization needs, ParaTask integrates different task types into the same model, provides intuitive support for dependence handling, non-blocking notification, interim progress notification and exception handling in an asynchronous environment as well as supporting a pluggable task scheduling runtime (currently work-sharing, work-stealing and a combination of the two are supported). The performance is compared to traditional Java parallelization approaches using a variety of different workloads.
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