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Description:
Developing optimizing source-level transformations, consists of numerous non-trivial subtasks. Besides identifying actual optimization goals within a particular target-platform and compiler setup, the actual implementation is a tedious, error-prone and often recurring work. Providing appropriate support for this development work is a challenging task. Defining and implementing a well-suited target-platform description which can be used by a wide set of optimization techniques while being precise and easy to maintain is one dimension of this challenging task. Another dimension, which has also been tackled in this work, deals with provision of an infrastructure for optimization-step representation, interaction and data retention. Finally, an appropriate source-code representation has been integrated into this approach. These contributions are tightly related to each other, they have been bundled into the MACCv2 framework, a fullfledged optimization-technique implementation and integration approach. Together, they significantly alleviate the effort required for implementation of source-level memory-aware optimization techniques for Multi Processor Systems on a Chip (MPSoCs). The system-modeling approach presented in this dissertation has been located at the processor-memory-switch (PMS) abstraction level. It offers a novel combined structural and semantical description. It combines a locally-scoped, structural modeling approach, as preferred by system designers, and a fast, database-like interface, best suited for optimization technique developers. It supports model refinement and requires only limited effort for an initial abstract system model. The general structure consists of components and channels. Based on this structure, the system model provides mechanisms for database-like access to system-global target-platform properties, while requiring only definition of locally-scoped input data annotated to system-model items. A typical set of these properties contains energy-consumption and access-latency values. ...