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Rethinking remote memory placement on large-memory systems with path diversity
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Publication Year
2020-08-24
Journal
APSys 2021 - Proceedings of the 12th ACM SIGOPS Asia-Pacific Workshop on Systems
Publisher
Association for Computing Machinery, Inc
Citation
APSys 2021 - Proceedings of the 12th ACM SIGOPS Asia-Pacific Workshop on Systems, pp.63-69
Keyword
Large MemoryMemory PlacementNUMA
Mesh Keyword
Large memoryMemory placementMemory systemsMultichipsNUMAPath diversityPlacement strategyProcessor interconnectRemote memoryServer system
All Science Classification Codes (ASJC)
Computer Networks and CommunicationsHardware and Architecture
Abstract
In this study, we rethink the existing memory placement strategies for multi-chip server systems. Processor vendors such as Intel and AMD have introduced the multi-chip based high density server architecture for large-scale data centers. With the advance of the processor-interconnect, multiple CPU chips are connected through a scalable point-to-point network such as Intel UPI and AMD Infinity Fabric. Nevertheless, the existing operating systems including Linux do not fully take advantage of the processor-interconnect to manage the memory traffic across memory nodes. We present two memory placement techniques exploiting the point-to-point interconnect to improve overall throughput while minimizing the hot-spot problem.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/36614
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85118099141&origin=inward
DOI
https://doi.org/10.1145/3476886.3477516
Journal URL
http://dl.acm.org/citation.cfm?id=3476886
Type
Conference
Funding
We thank our anonymous reviewers for their invaluable comments. This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (NRF-2019R1C1C1005166).
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Kim, Sang-Hoon김상훈
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