Power Dissipation Reduction in NOC links By Enhanced Data Encoding Schemes

Power Dissipation Reduction in NOC links By Enhanced Data Encoding Schemes
Author(s):
Ashok Kumar Illa, M.Damodhar Rao
Keywords:
NoC, NI, Data Encoding
Abstract
As technology shrinks, the power dissipated by the links of a network-on-chip (NoC) starts to compete with the power dissipated by the other elements of the communication subsystem, namely, the routers and the network interfaces (NIs). In this paper, we present a set of data encoding schemes aimed at reducing the power dissipated by the links of an NoC. The proposed schemes are general and transparent with respect to the underlying NoC fabric (i.e., their application does not require any modification of the routers and link architecture). Experiments carried out on both synthetic and real traffic scenarios show the effectiveness of the proposed schemes, which allow to save power dissipation and energy consumption without any significant performance degradation and with less than area overhead in the NI.
Article Details
Unique Paper ID: 144775 Publication Volume & Issue: Volume 4, Issue 3 Page(s): 158 - 167
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