计算机工程与科学2026，Vol.48Issue(5)：803-809,7.DOI:10.3969/j.issn.1007-130X.2026.05.005
面向GPU的低能耗数据传输的组重映射编码方法
A group-remapping encoding method for low-power GPU data transmission
摘要
Abstract
The high-performance computing capabilities of modern graphics processing unit(GPU)rely on high-bandwidth graphics double data rate(GDDR)interfaces.The high data transfer rates result in significant energy consumption,particularly due to the asymmetric power consumption associated with transmitting logic 1 values in GDDR's pseudo open drain(POD)I/O interfaces.By reducing the number of logic 1 values with high energy consumption during data transfer,the issue of high energy consumption during data transfer can be alleviated.This paper proposes a group-remapping encoding method based on the quantity of logic 1 values.Initially,the data to be transmitted is divided into basic units of 4 bits each,which are then grouped according to the number of logic 1 values they contain.Sub-sequently,groups with a higher quantity of logic 1 values are mapped and encoded into groups with a lower quantity of logic 1 values,aiming to minimize the global count of logic 1 values.When evaluated on modern GPU architectures,the results demonstrate that the group-remapping encoding strategy ef-fectively reduces the number of logic 1 values during data transmission for various applications,achiev-ing an average reduction rate of 26%,thereby proving the effectiveness of the proposed method.关键词
数据传输能耗/GDDR I/O接口/组重映射编码/图形处理器Key words
data transfer energy/GDDR I/O interface/group-remapping encoding/graphics process-ing unit分类
信息技术与安全科学引用本文复制引用
章铁飞,邢建国..面向GPU的低能耗数据传输的组重映射编码方法[J].计算机工程与科学,2026,48(5):803-809,7.基金项目
浙江工商大学校级研究生教育改革项目(YJG2023115) （YJG2023115）
