{"title":"Introducing software pipelining for the A64FX processor into LLVM","authors":"Masaki Arai, Naoto Fukumoto, Hitoshi Murai","doi":"10.1145/3636480.3637093","DOIUrl":null,"url":null,"abstract":"Software pipelining is an essential optimization for accelerating High-Performance Computing(HPC) applications on CPUs. Modern CPUs achieve high performance through many-core and wide SIMD instructions. Software pipelining is an optimization that promotes further performance improvement of HPC applications by cooperating with these functions. Although open source compilers such as GCC and LLVM have implemented software pipelining, it is underutilized for the AArch64 architecture. We have implemented software pipelining for the A64FX processor on LLVM to improve this situation. This paper describes the details of this implementation. We also confirmed that our implementation improves the performance of several benchmark programs.","PeriodicalId":120904,"journal":{"name":"Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region Workshops","volume":"9 35","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region Workshops","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/3636480.3637093","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Software pipelining is an essential optimization for accelerating High-Performance Computing(HPC) applications on CPUs. Modern CPUs achieve high performance through many-core and wide SIMD instructions. Software pipelining is an optimization that promotes further performance improvement of HPC applications by cooperating with these functions. Although open source compilers such as GCC and LLVM have implemented software pipelining, it is underutilized for the AArch64 architecture. We have implemented software pipelining for the A64FX processor on LLVM to improve this situation. This paper describes the details of this implementation. We also confirmed that our implementation improves the performance of several benchmark programs.
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