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Published in: The Journal of Supercomputing 7/2021

02-01-2021

GPU-oriented dynamic low-power data transmission method

Authors: Bin Xu, Tiefei Zhang

Published in: The Journal of Supercomputing | Issue 7/2021

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Abstract

The model highly parallel graphics processor systems rely on high-bandwidth DRAM I/O interfaces for large volume of data access at the cost of a lot of energy consumption. In order to reduce the energy consumption of data transmission, modern DRAM uses an asymmetric pseudo-drain I/O interface, which increases the ratio of the termination energy to the transmission energy of logic value 1 in data transactions. This paper proposes the X + B Dynamic Bus Encoding Mechanism, which dynamically selects the encoding mechanism to reduce the number of logical values 1 within different data elements, thereby reducing the data transmission energy consumption of the modern DRAM data bus. The simulation evaluation shows the X + B Dynamic Bus Encoding Mechanism reduces the number of logical values 1 by 38.6%, which saves 31.4% of transmission energy consumption compared to the current bus coding technology.

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Metadata
Title
GPU-oriented dynamic low-power data transmission method
Authors
Bin Xu
Tiefei Zhang
Publication date
02-01-2021
Publisher
Springer US
Published in
The Journal of Supercomputing / Issue 7/2021
Print ISSN: 0920-8542
Electronic ISSN: 1573-0484
DOI
https://doi.org/10.1007/s11227-020-03515-4

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