Invasive Computing: An Overview
نویسندگان
چکیده
A novel paradigm for designing and programming future parallel computing systems called invasive computing is proposed. The main idea and novelty of invasive computing is to introduce resource-aware programming support in the sense that a given program gets the ability to explore and dynamically spread its computations to neighbour processors in a phase called invasion, then to execute portions of code of high parallelism degree in parallel based on the available invasible region on a given multi-processor architecture. Afterwards, once the program terminates or if the degree of parallelism should be lower again, the program may enter a retreat phase, deallocate resources and resume execution again, for example, sequentially on a single processor. In order to support this idea of self-adaptive and resource-aware programming, not only new programming concepts, languages, compilers and operating systems are necessary but also revolutionary architectural changes in the design of MPSoCs (Multi-Processor Systems-on-a-Chip) must be provided so to efficiently support invasion, infection and retreat operations involving concepts for dynamic processor, interconnect and memory reconfiguration. This contribution reveals the main ideas, potential benefits, and challenges for supporting invasive computing at the architectural, programming and compiler level in the future. It serves to give an overview of required research topics rather than being able to present mature solutions yet. Jürgen Teich Lehrstuhl für Informatik 12, FAU, AmWeichselgarten 3, 91058 Erlangen, Germany e-mail: [email protected] Jörg Henkel Institut für Technische Informatik, KIT, Haid-und-Neu-Str. 7, 76131 Karlsruhe, Germany e-mail: [email protected] Andreas Herkersdorf Lehrstuhl für Integrierte Systeme, TUM, Arcisstr. 21, 80290 München, Germany e-mail: [email protected] Doris Schmitt-Landsiedel Lehrstuhl für Technische Elektronik, TUM, Arcisstr. 21, 80333 München, Germany e-mail: [email protected] Wolfgang Schröder-Preikschat Lehrstuhl für Informatik 4, FAU, Martensstr. 1, 91058 Erlangen, Germany e-mail: [email protected] Gregor Snelting Lehrstuhl Programmierparadigmen, KIT, Adenauerrring 20a, 76131 Karlsruhe, Germany e-mail: [email protected]
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