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2023 Fiscal Year Final Research Report

Next-Generation Memory Management for Heterogeneous Memory Systems

Research Project

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Project/Area Number 19K20232
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 60040:Computer system-related
Research InstitutionTohoku University

Principal Investigator

Sato Masayuki  東北大学, 情報科学研究科, 准教授 (50781308)

Project Period (FY) 2019-04-01 – 2024-03-31
KeywordsMemory / Metadata / Prefetch
Outline of Final Research Achievements

This project investigates next-generation memory management methods for hybrid memory architectures (HMAs). The project has analyzed the memory access of applications and has unveiled the characteristics of the access patterns to metadata on HMAs. Based on these results, this project has proposed a prefetch mechanism that hides the access latency to metadata for HMAs. Moreover, the project clarified that it is possible to improve the performance by eliminating duplicated requests that access the same metadata.

Free Research Field

Computer Architecture

Academic Significance and Societal Importance of the Research Achievements

ビッグデータやAI等の処理の増加によって,計算機システムに対するメモリの大容量化への要求が今後ますます強くなることが予想される.また,データセンターへの計算機資源の集約のためにディスアグリゲートメモリ等が採用されることにより,一つのプロセッサが異なる性能特性を持つ複数のメモリにアクセスするようなケースが増加すると考えられる.本研究の成果によって得られた複合型メインメモリに関する知見が,これらの状況への対応策として貢献できると考える.

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Published: 2025-01-30  

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