关于Cell多核处理器的层次化运行时支持技术.pdfVIP

计算机研究与发展ISSNlooo一1239，CNlI一1777，TP Journalof Researchand Computer Development 47(4)：561—570，2010 基于Cell多核处理器的层次化运行时支持技术 董小社1 冯国富1 王旭昊1 冯景华1 胡雷钧2’3 1(西安交通大学计算机科学与技术系西安 710049) 2(高效能服务器和存储技术国家重点实验室济南250013) 3(浪潮电子信息产业股份有限公司北京100085) (jt_f@163．com) Researchon Runtime for MultilayerLibraryTechnology Hu DongXiaoshel，FengGuoful，Wang‘Xuha01，FengJinghual，andLeijun2·3 1(DPpnrf7扎P规fD厂(为优户“￡PrSf妇玎fP口，ld了_f^挖。如gy，．Xi么咒，i口o￡D咒g【屁i口Prsi￡y，．XI么竹7I0049) 2(S￡口抛KPyk6Dmto删D，H嘧^一助dSPr钟r5forngPnf^以DZDgy，．，inn竹250013) 100085) 3(L口，zgfJjlnoE跆“rD，z打J以．加r瑚￡ionjnd摊5fr≯Co．L￡d．，B巧i卵g Abst髓ctThe multi—corearchitectureand formuIti—IeveI heterogeneous management expIicit memory ofcell toboth and hierarchyprocessorprogramming＆performancechallenges pose programmers Most modelsfor based weU bulkdatatransfer applications．programmingCell／B．E． systemsupport whicharesuitablefor butsuffer forthe appl-cations streamingprocessing， performancedegradation whose access are Inthis memory or applications patternsirregularunpredictable．paper，byextending access and the of co- memorylibraryenhancingco—processor’s Cell／B．E． independency processor，a centric runtime which bothMPIand processormultilayerlibrary supports Pthread modelis The structureofthemodelandtheflexible programmingproposed．multila