Adapting Memory Hierarchies for Emerging
Datacenter Interconnects
江涛;董建波;侯锐;柴琳;张立新;孙凝晖;田斌
【期刊名称】《计算机科学技术学报（英文版）》 【年(卷),期】2015(000)001
【摘要】E?cient resource utilization requires that emerging datacenter interconnects support both high performance communication and e?cient remote resource sharing. These goals require that the network be more tightly coupled with the CPU chips. Designing a new interconnection technology thus requires considering not only the interconnection itself, but also the design of the processors that will rely on it. In this paper, we study memory hierarchy implications for the design of high-speed datacenter interconnects—particularly as they affect remote memory access—and we use PCIe as the vehicle for our investigations. To that end, we build three complementary platforms: a PCIe-interconnected prototype server with which we measure and analyze current bottlenecks; a software simulator that lets us model microarchitectural and cache hierarchy changes;and an FPGA prototype system with a streamlined switchless customized protocol Thunder with which we study hardware optimizations outside the processor. We highlight several architectural modifications to better support remote memory access and communication, and quantify their impact and
limitations.
【总页数】13页(97-109) 【关键词】
【作者】江涛;董建波;侯锐;柴琳;张立新;孙凝晖;田斌 【作者单位】;;;;;; 【正文语种】英文 【中图分类】 【文献来源】
https://www.zhangqiaokeyan.com/academic-journal-cn_journal-computer-science-technology_thesis/0201241205723.html 【相关文献】
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Adapting Memory Hierarchies for Emerging Datacenter Interconnects
