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Sökning: db:Swepub > Jantsch Axel > Lu Zhonghai > Soudris Dimitrios > (2011)

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  • Anagnostopoulos, Iraklis, et al. (författare)
  • Custom Microcoded Dynamic Memory Management for Distributed On-Chip Memory Organizations
  • 2011
  • Ingår i: IEEE Embedded Systems Letters. - 1943-0663. ; 3:2, s. 66-69
  • Tidskriftsartikel (refereegranskat)abstract
    • Multiprocessor system-on-chip (MPSoCs) have attracted significant attention since they are recognized as a scalable paradigm to interconnect and organize a high number of cores. Current multicore embedded systems exhibit increased levels of dynamicbehavior, leading to unexpected memory footprint variations unknown at design time.Dynamic memory management (DMM) is a promising solution for such types of dynamicsystems. Although some efficient dynamic memory managers have been proposed for conventional bus-based MPSoC platforms, there are no DMM solutions regarding the constraints and the opportunities delivered by the physical distribution of multiple memorynodes of the platform. In this work, we address the problem of providing customizedmicrocoded DMM on MPSoC platforms with distributed memory organization. Customization is enabled at application-and platform-level. Results show that customizedmicrocoded DMM can serve approximately 7× more allocation requests compared to puredistributed memory platforms and perform 25% faster than the corresponding high-level implementation in C language. 
  • Candaele, Bernard, et al. (författare)
  • The MOSART Mapping Optimization for multi-core Architectures
  • 2011
  • Ingår i: VLSI 2010 Annual Symposium. - Springer Publishing Company. ; s. 181-195
  • Konferensbidrag (refereegranskat)abstract
    • MOSART project addresses two main challenges of prevailing architectures: (i) Theglobal interconnect and memory bottleneck due to a single, globally shared memorywith high access times and power consumption; (ii) The difficulties in programmingheterogeneous, multi-core platforms MOSART aims to overcome these through amulti-core architecture with distributed memory organization, a Network-on-Chip(NoC) communication backbone and configurable processing cores that are scaled,optimized and customized together to achieve diverse energy, performance, cost andsize requirements of different classes of applications. MOSART achieves this by:(i) Providing platform support for management of abstract data structures includingmiddleware services and a run-time data manager for NoC based communicationinfrastructure; (ii) Developing tool support for parallelizing and mapping applicationson the multi-core target platform and customizing the processing cores for theapplication.
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