基于NEON的VSIPL加速技术研究  

Research on VSIPL Acceleration Technology Based on NEON

作　　者：闫妍 周磊[1] 梁益华[1] 杨振虎[1] YAN Yan;ZHOU Lei;LIANG Yi-hua;YANG Zhen-hu(Xi'an Aeronautics Computing Technique Research Institute,AVIC,Xi'an 710000,China)

机构地区：[1]航空工业西安航空计算技术研究所,陕西西安710000

出　　处：《航空计算技术》2024年第2期97-100,105,共5页Aeronautical Computing Technique

基　　金：国家重点研发计划项目资助(2017YFB301100)。

摘　　要：针对航空及通信领域嵌入式信息处理软件的可移植性和实时性需求,提出了ARM平台下基于NEON的矢量信号图像处理函数库(VSIPL)中间件算法加速优化的方法。VSIPL中间件能够解决信号处理软件在不同平台的复用性问题,通过对VSIPL的数据特性进行分析,然后将NEON技术应用于VSIPL加速设计中,实现数据的并行处理以提高运算速率。最后,对VSIPL中的典型向量算法优化前后进行性能对比测试,并分析了不同因素对加速效果的影响,测试结果验证了加速方法的可行性。提出的基于NEON的VSIPL加速设计方法能有效提高信号处理软件的性能,具有一定的指导意义和工程应用价值。For the portability and real-time requirements of embedded signal processing software in aviation and communication fields,this paper proposes an algorithm accelerated optimization method for vector signal image processing library(VSIPL)middleware based on NEON under the ARM platform.The VSIPL middleware can solve the problem of reusability of signal processing software in different platforms,by analyzing the data characteristics of VSIPL,NEON technology is applied in the acceleration design of VSIPL to realize parallel data processing to improve the computing efficiency.Finally,performance comparison tests are conducted on typical vector algorithms in VSIPL before and after optimization,and the impact of different factors on the acceleration effect is analyzed.The test results verify the feasibility of the acceleration method.Therefore,the proposed VSIPL accelerated design method based on NEON can effectively improve the performance of signal processing software,which has certain guiding significance and engineering application value.

关 键 词：嵌入式信号处理 矢量信号图像处理函数库 加速设计 VSIPL NEON 

分 类 号：O246[理学—计算数学]