{"title":"16-bit FP sub-word parallelism to facilitate compiler vectorization and improve performance of image and media processing","authors":"D. Etiemble, L. Lacassagne","doi":"10.1109/ICPP.2004.1327964","DOIUrl":null,"url":null,"abstract":"We consider the implementation of 16-bit floating point instructions on a Pentium 4 and a PowerPC G5 for image and media processing. By measuring the execution time of benchmarks with these new simulated instructions, we show that significant speed-up is obtained compared to 32-bit FP versions. For image processing, the speed-up both comes from doubling the number of operations per SIMD instruction and the better cache behavior with byte storage. For data stream processing with arrays of structures, the speed-up mainly comes from the wider SIMD instructions.","PeriodicalId":106240,"journal":{"name":"International Conference on Parallel Processing, 2004. ICPP 2004.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on Parallel Processing, 2004. ICPP 2004.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPP.2004.1327964","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
We consider the implementation of 16-bit floating point instructions on a Pentium 4 and a PowerPC G5 for image and media processing. By measuring the execution time of benchmarks with these new simulated instructions, we show that significant speed-up is obtained compared to 32-bit FP versions. For image processing, the speed-up both comes from doubling the number of operations per SIMD instruction and the better cache behavior with byte storage. For data stream processing with arrays of structures, the speed-up mainly comes from the wider SIMD instructions.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
