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Enhanced Memory Access Architecture for Local Memory Systems

This project proposes an enhanced memory access architecture for local memory systems, featuring an Enchanced Injector, Loader/Storer modules, and improved bus access multiplexing. The architecture aims to optimize memory operations, reduce stall times, and enhance overall system performance.

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Enhanced Memory Access Architecture for Local Memory Systems

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  1. HSSDProjectPlanning Nuno Miguel Cardanha Paulino nuno.paulino@fe.up.pt PDEEC 2011-2012

  2. ImplementationOverview Figure 1 – Overview of Local Memory Architecture • CPU (Microblaze)  Runs application • LMB Injector  Bus monitor/modifier • RPU • Executes CDFGs • No memoryaccesses

  3. Memory Access ArchitectureProposal • Enchanced Injector • Explicitlystallthe CPU • Bus accessmultiplexing • Loader/Storer • Memorystimuli • Clock gate RPU whenFIFOsfull • 1 loadand 1 storeper • Loaderscheduling • Adapt RPU • Generate/accept data/addressatanyrow, orlimitloads/stores to first/lastrows • Loader FIFO notempty stall • Selectmemoryaccessbenchmarks • Vecsum, dotprod, max • Compare speedupswithCatapultC Figure 2 – Possible Memory access architecture

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