Publication

Design and Analysis of NoCs for Low-Power 2D and 3D SoCs

2011
Book Chapters

Abstract

Networks-on-Chip (NoC), being a system-level interconnect, can play a major role in achieving low-power SoC designs. In many designs, the cores are grouped in to Voltage Islands (VIs). To reduce the leakage power consumption, an island containing cores that are not used in an application can be shutdown, while the other islands can still be operational. When one or more of the islands are shutdown, the interconnect should allow the communication between islands that are operational. For this, the NoCs has to be designed efficiently to allow shutdown of VIs, thereby reducing the leakage power consumption. In this chapter, we present methods to design NoC topologies that provide such a support for both 2D and 3D ICs. We show how the concept of VIs need to be considered during topology synthesis phase itself. We also make studies to show the benefits of migrating to 3D-stacked chips for realistic applications that have multiple VIs.

Official source

https://infoscience.epfl.ch/entities/publication/d2373913-00ca-43dc-ba18-1b676d2cb2f3

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2011
Book Chapters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/d2373913-00ca-43dc-ba18-1b676d2cb2f3

About this result

Related concepts (32)

Network on a chip

A network on a chip or network-on-chip (NoC ˌɛnˌoʊˈsiː or nɒk ) is a network-based communications subsystem on an integrated circuit ("microchip"), most typically between modules in a system on a chip (SoC). The modules on the IC are typically semiconductor IP cores schematizing various functions of the computer system, and are designed to be modular in the sense of network science. The network on chip is a router-based packet switching network between SoC modules.

Multi-chip module

A multi-chip module (MCM) is generically an electronic assembly (such as a package with a number of conductor terminals or "pins") where multiple integrated circuits (ICs or "chips"), semiconductor dies and/or other discrete components are integrated, usually onto a unifying substrate, so that in use it can be treated as if it were a larger IC. Other terms for MCM packaging include "heterogeneous integration" or "hybrid integrated circuit".

System on a chip

A system on a chip or system-on-chip (SoC ,ˈɛsoʊsiː; pl. SoCs ,ˈɛsoʊsiːz) is an integrated circuit that integrates most or all components of a computer or other electronic system. These components almost always include on-chip central processing unit (CPU), memory interfaces, input/output devices, input/output interfaces, and secondary storage interfaces, often alongside other components such as radio modems and a graphics processing unit (GPU) – all on a single substrate or microchip.

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