Document detail
ID
oai:arXiv.org:2405.14783
Topic
Computer Science - Human-Computer ... C.1.2Author
Dabak, Beyza Glenn, Major Liu, Jingyang Buck, Alexander Yang, Siyi Calderbank, Robert Jerger, Natalie Enright Sorin, Daniel J.Category
Computer Science
Year
2024
listing date
5/29/2024
Keywords
on-chip codes communicationAbstract
Energy is a primary constraint in processor design, and much of that energy is consumed in on-chip communication.
Communication can be intra-core (e.g., from a register file to an ALU) or inter-core (e.g., over the on-chip network).
In this paper, we use the on-chip network (OCN) as a case study for saving on-chip communication energy.
We have identified a new way to reduce the OCN's link energy consumption by using line coding, a longstanding technique in information theory.
Our line codes, called Low-Energy Line Codes (LELCs), reduce energy by reducing the frequency of voltage transitions of the links, and they achieve a range of energy/performance trade-offs.
Dabak, Beyza,Glenn, Major,Liu, Jingyang,Buck, Alexander,Yang, Siyi,Calderbank, Robert,Jerger, Natalie Enright,Sorin, Daniel J., 2024, Low-Energy Line Codes for On-Chip Networks
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