Exploration of distributed shared memory architectures for noc-based multiprocessors

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Exploration of distributed shared memory architectures for noc-based multiprocessors

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by Matteo Monchiero , Gianluca Palermo , Cristina Silvano , Oreste Villa

Venue:	732, 2007, embedded Computer Systems: Architectures, Modeling, and Simulation
Citations:	14 - 1 self

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@INPROCEEDINGS{Monchiero_explorationof,
    author = {Matteo Monchiero and Gianluca Palermo and Cristina Silvano and Oreste Villa},
    title = {Exploration of distributed shared memory architectures for noc-based multiprocessors},
    booktitle = {732, 2007, embedded Computer Systems: Architectures, Modeling, and Simulation},
    year = {},
    pages = {719}
}

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Abstract

Abstract — Multiprocessor system-on-chip (MP-SoC) platforms represent an emerging trend for embedded multimedia applications. To enable MP-SoC platforms, scalable communicationcentric interconnect fabrics, such as networks-on-chip (NoC), have been recently proposed. The shared memory represents one of the key elements in designing MP-SoCs, since its function is to provide data exchange and synchronization support. In this paper, a distributed shared memory architecture has been explored, that is suitable for low-power on-chip multiprocessors based on NoC. In particular, the paper focuses on the energy/delay exploration of on-chip physically distributed and logically shared memory address space for MP-SoCs based on a parameterizable NoC. The data allocation on the physically distributed shared memory space is dynamically managed by an on-chip Hardware Memory Management Unit. Experimental results show the impact of different NoC topologies and distributed shared memory configurations for a selected set of parallel benchmark applications from the power/performance perspective. I.

Keyphrases

shared memory architecture noc-based multiprocessor data allocation abstract multiprocessor system-on-chip synchronization support parallel benchmark application memory space different noc topology embedded multimedia application data exchange key element memory address space mp-soc platform power performance perspective shared memory on-chip hardware memory management unit energy delay exploration shared memory configuration parameterizable noc on-chip multiprocessor scalable communicationcentric interconnect fabric experimental result

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