The Case for a Single-Chip Multiprocessor

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The Case for a Single-Chip Multiprocessor (1996)

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by Kunle Olukotun , Basem A. Nayfeh , Lance Hammond , Ken Wilson , Kunyung Chang

Venue:	IEEE Computer
Citations:	432 - 6 self

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@INPROCEEDINGS{Olukotun96thecase,
    author = {Kunle Olukotun and Basem A. Nayfeh and Lance Hammond and Ken Wilson and Kunyung Chang},
    title = {The Case for a Single-Chip Multiprocessor},
    booktitle = {IEEE Computer},
    year = {1996},
    pages = {2--11}
}

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Abstract

Advances in IC processing allow for more microprocessor design options. The increasing gate density and cost of wires in advanced integrated circuit technologies require that we look for new ways to use their capabilities effectively. This paper shows that in advanced technologies it is possible to implement a single-chip multiproces-sor in the same area as a wide issue superscalar processor. We find that for applications with little parallelism the performance of the two microarchitectures is comparable. For applications with large amounts of parallelism at both the fine and coarse grained levels, the multiprocessor microarchitectnre outperforms the superscrdar architecture by a significant margin. Single-chip multiprocessor architectures have the advantage in that they offer localized imple-mentation of a high-clock rate processor for inherently sequential applications and low latency interprocessor communication for par-allel applications. 1

Keyphrases

single-chip multiprocessor ic processing allow high-clock rate processor sequential application single-chip multiprocessor architecture advanced technology single-chip multiproces-sor low latency interprocessor communication large amount little parallelism par-allel application superscrdar architecture advanced integrated circuit technology wide issue superscalar processor gate density microprocessor design option significant margin new way localized imple-mentation multiprocessor microarchitectnre

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