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The Case for a Single-Chip Multiprocessor

机译:单芯片多处理器的情况

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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 multiprocessor 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 microarchitecture outperforms the superscalar architecture by a significant margin. Single-chip multiprocessor architectures have the advantage in that they offer localized implementation of a high-clock rate processor for inherently sequential applications and low latency interprocessor communication for parallel applications.
机译:IC处理的进步允许更多的微处理器设计选项。在高级集成电路技术中,栅极密度和导线成本的不断提高要求我们寻找有效利用其功能的新方法。本文表明,在先进技术中,可以在与广泛使用的超标量处理器相同的区域中实现单芯片多处理器。我们发现,对于几乎没有并行性的应用,这两个微体系结构的性能是可比的。对于在细粒度和粗粒度级别都具有大量并行性的应用程序,多处理器微体系结构的性能要明显优于超标量体系结构。单芯片多处理器架构的优势在于,它们为本地顺序应用程序提供了高时钟速率处理器的本地化实现,而为并行应用程序提供了低延迟的处理器间通信。

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