By Lars Bauer, Jörg Henkel
ISBN-10: 1441974113
ISBN-13: 9781441974112
ISBN-10: 1441974121
ISBN-13: 9781441974129
Run-time edition for Reconfigurable Embedded Processors via: Lars Bauer Jörg Henkel Embedded processors are the center of embedded structures. Reconfigurable embedded processors contain a longer guideline set that's applied utilizing a reconfigurable cloth (similar to a field-programmable gate array, FPGA). This booklet offers novel suggestions, suggestions, and implementations to extend the run-time adaptivity of reconfigurable embedded processors. innovations and strategies are awarded in an available, but rigorous context. a posh, real looking H.264 video encoder software with a excessive call for for adaptivity is gifted and used for example for motivation during the booklet. a singular, run-time method is validated to take advantage of the potential of adaptivity and specific approaches/algorithms are awarded to enforce it. •Presents a brand new method of bring up the adaptivity of embedded processors; •Describes a singular method of expanding the adaptivity for reconfigurable processors, defined in a truly visual/imaginable demeanour, besides a really precise/formal demeanour; •Presents a fancy, lifelike H.264 video encoder program with a excessive call for for adaptivity and makes use of that instance for motivation/in-depth review through the publication; •Describes a singular run-time process that exploits the possibility of adaptivity and specific approaches/algorithms to enforce it.
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Sample text
2. Fragmentation problem. To be able to reconfigure SI implementations at run time in a flexible way and to be able to connect them to the processor pipeline, a certain area budget and connection interface has to be used for each RFU. If an SI implementation is relatively small in comparison to the provided reconfigurable fabric within the RFU, the remaining resources cannot be used to implement another SI. 3. Reconfiguration overhead problem. The reconfiguration overhead depends on the amount of parallelism that is exploited in the SI implementation.
Eventually, line ④ gives an outlook on the SI execution pattern for the rotating instruction set processing platform (RISPP) approach that is explained in the following section. It combines the performance improvement of line ③ during the early stage of the execution (and even outperforms it) with the parallel implementation of line ① and ② in the later stage of the execution by the concept of upgrading the SI implementations (details in Sect. 2). Altogether, this monograph identified and described the following three different problems for state-of-the-art reconfigurable processors with monolithic SIs: 1.
2. Fragmentation problem. To be able to reconfigure SI implementations at run time in a flexible way and to be able to connect them to the processor pipeline, a certain area budget and connection interface has to be used for each RFU. If an SI implementation is relatively small in comparison to the provided reconfigurable fabric within the RFU, the remaining resources cannot be used to implement another SI. 3. Reconfiguration overhead problem. The reconfiguration overhead depends on the amount of parallelism that is exploited in the SI implementation.
Run-time Adaptation for Reconfigurable Embedded Processors by Lars Bauer, Jörg Henkel
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