KR102231792B1 - 하이브리드 메모리 모듈 및 그것의 동작 방법 - Google Patents

하이브리드 메모리 모듈 및 그것의 동작 방법 Download PDF

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KR102231792B1
KR102231792B1 KR1020170120595A KR20170120595A KR102231792B1 KR 102231792 B1 KR102231792 B1 KR 102231792B1 KR 1020170120595 A KR1020170120595 A KR 1020170120595A KR 20170120595 A KR20170120595 A KR 20170120595A KR 102231792 B1 KR102231792 B1 KR 102231792B1
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KR20180094469A (ko
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무-티엔 창
디민 니우
홍종 정
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삼성전자주식회사
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    • G06F12/0802Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0864Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches using pseudo-associative means, e.g. set-associative or hashing
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    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
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    • G06F3/0601Interfaces specially adapted for storage systems
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    • G06F2212/1016Performance improvement
    • G06F2212/1024Latency reduction
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    • G06F2212/28Using a specific disk cache architecture
    • GPHYSICS
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    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/28Using a specific disk cache architecture
    • G06F2212/283Plural cache memories
    • GPHYSICS
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    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/46Caching storage objects of specific type in disk cache
    • G06F2212/466Metadata, control data
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/50Control mechanisms for virtual memory, cache or TLB
    • G06F2212/507Control mechanisms for virtual memory, cache or TLB using speculative control
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    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/62Details of cache specific to multiprocessor cache arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
KR1020170120595A 2017-02-15 2017-09-19 하이브리드 메모리 모듈 및 그것의 동작 방법 Active KR102231792B1 (ko)

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US201762459414P 2017-02-15 2017-02-15
US62/459,414 2017-02-15
US15/587,286 2017-05-04
US15/587,286 US10282294B2 (en) 2017-02-15 2017-05-04 Mitigating DRAM cache metadata access overhead with SRAM metadata cache and bloom filter

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KR102231792B1 true KR102231792B1 (ko) 2021-03-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240087273A (ko) 2022-12-12 2024-06-19 포항공과대학교 산학협력단 하이브리드 메모리 장치 및 그 관리 방법
KR102865250B1 (ko) 2024-04-17 2025-09-30 성균관대학교산학협력단 메모리 소자와 반도체 장치 및 그 동작 방법
KR20250152993A (ko) 2024-04-17 2025-10-24 성균관대학교산학협력단 디램 소자와 반도체 장치 및 그 동작 방법

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11397687B2 (en) * 2017-01-25 2022-07-26 Samsung Electronics Co., Ltd. Flash-integrated high bandwidth memory appliance
US10402337B2 (en) * 2017-08-03 2019-09-03 Micron Technology, Inc. Cache filter
CN112805692A (zh) 2018-09-17 2021-05-14 美光科技公司 混合式双列直插式存储器模块中的高速缓存操作
US10761986B2 (en) * 2018-10-23 2020-09-01 Advanced Micro Devices, Inc. Redirecting data to improve page locality in a scalable data fabric
EP3881190A1 (en) * 2018-11-12 2021-09-22 Dover Microsystems, Inc. Systems and methods for metadata encoding
TWI688859B (zh) 2018-12-19 2020-03-21 財團法人工業技術研究院 記憶體控制器與記憶體頁面管理方法
CN109800185B (zh) * 2018-12-29 2023-10-20 上海霄云信息科技有限公司 一种数据存储系统中的数据缓存方法
KR20200092710A (ko) * 2019-01-25 2020-08-04 주식회사 리얼타임테크 이기종 스토리지 기반의 데이터베이스 관리시스템에서 하이브리드 색인장치
US10853165B2 (en) * 2019-02-21 2020-12-01 Arm Limited Fault resilient apparatus and method
US11061670B2 (en) * 2019-03-05 2021-07-13 Marvell Asia Pte, Ltd. Dual-interface flash memory controller with execute-in-place cache control
US11537521B2 (en) 2019-06-05 2022-12-27 Samsung Electronics Co., Ltd. Non-volatile dual inline memory module (NVDIMM) for supporting dram cache mode and operation method of NVDIMM
CN110688062B (zh) * 2019-08-26 2021-03-30 华为技术有限公司 一种缓存空间的管理方法及装置
EP3812892B1 (en) 2019-10-21 2022-12-07 ARM Limited Apparatus and method for handling memory load requests
TWI739227B (zh) * 2019-12-03 2021-09-11 智成電子股份有限公司 避免多餘記憶體存取的系統單晶片模組
GB2594732B (en) * 2020-05-06 2022-06-01 Advanced Risc Mach Ltd Adaptive load coalescing
CN113934361B (zh) * 2020-06-29 2024-05-03 伊姆西Ip控股有限责任公司 用于管理存储系统的方法、设备和计算机程序产品
CN112084216B (zh) * 2020-09-16 2021-05-11 上海嗨普智能信息科技股份有限公司 基于布隆过滤器的数据查询系统
US11914517B2 (en) 2020-09-25 2024-02-27 Advanced Micro Devices, Inc. Method and apparatus for monitoring memory access traffic
CN113204370A (zh) * 2021-03-16 2021-08-03 南京英锐创电子科技有限公司 指令缓存方法及装置
US12271306B2 (en) * 2021-03-27 2025-04-08 Intel Corporation Integrated three-dimensional (3D) DRAM cache
KR102351237B1 (ko) 2021-04-29 2022-01-13 삼성전자주식회사 메모리 저장 장치 및 통신 시스템
CN114095585B (zh) * 2022-01-21 2022-05-20 武汉中科通达高新技术股份有限公司 数据传输方法、装置、存储介质及电子设备
US12072761B2 (en) 2022-06-02 2024-08-27 Micron Technology, Inc. Memory sub-system addressing for data and additional data portions
US11886291B1 (en) * 2022-07-21 2024-01-30 Dell Products L.P. Providing cache line metadata over multiple cache lines
US12032479B2 (en) * 2022-08-10 2024-07-09 Astera Labs, Inc. Metadata-caching integrated circuit device
US20240319880A1 (en) * 2023-03-21 2024-09-26 Micron Technology, Inc. Compute express link dram + nand system solution
CN116303126B (zh) * 2023-03-22 2023-09-01 摩尔线程智能科技(北京)有限责任公司 缓存、数据的处理方法及电子设备
US20240394195A1 (en) * 2023-05-22 2024-11-28 Rambus Inc. Dram cache tag probing
US20240393964A1 (en) * 2023-05-22 2024-11-28 Qualcomm Incorporated Hash filter-based selective-row refresh in memory device
CN117217977B (zh) * 2023-05-26 2024-07-19 摩尔线程智能科技(北京)有限责任公司 Gpu的数据访问处理方法、装置及存储介质
US12505040B2 (en) * 2023-07-20 2025-12-23 Nokia Solutions And Networks Oy Systems and methods for cache filtering
US20250298522A1 (en) * 2024-03-21 2025-09-25 Sandisk Technologies Llc Optimized selective scanning of overlap-table in storage memories for sequential data
CN119782198B (zh) * 2024-12-11 2025-11-28 厦门大学 一种基于分区命名空间固态硬盘的键值缓存系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6920477B2 (en) 2001-04-06 2005-07-19 President And Fellows Of Harvard College Distributed, compressed Bloom filter Web cache server
US20080155229A1 (en) 2006-12-21 2008-06-26 Kevin Scott Beyer System and method for generating a cache-aware bloom filter
US20130290607A1 (en) 2012-04-30 2013-10-31 Jichuan Chang Storing cache metadata separately from integrated circuit containing cache controller
US20140289467A1 (en) 2013-03-22 2014-09-25 Applied Micro Circuits Corporation Cache miss detection filter
US20160246726A1 (en) 2014-08-20 2016-08-25 Sandisk Technologies Inc. Adaptive host memory buffer (hmb) caching using unassisted hinting

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110276744A1 (en) 2010-05-05 2011-11-10 Microsoft Corporation Flash memory cache including for use with persistent key-value store
US8478934B2 (en) 2010-07-19 2013-07-02 Lsi Corporation Managing extended RAID caches using counting bloom filters
US20130173853A1 (en) 2011-09-26 2013-07-04 Nec Laboratories America, Inc. Memory-efficient caching methods and systems
US8868843B2 (en) 2011-11-30 2014-10-21 Advanced Micro Devices, Inc. Hardware filter for tracking block presence in large caches
SG193114A1 (en) * 2012-02-23 2013-09-30 Agency Science Tech & Res Data storage device and method of managing a cache in a data storage device
US9389965B1 (en) 2012-03-12 2016-07-12 Emc Corporation System and method for improving performance of backup storage system with future access prediction
US9552301B2 (en) * 2013-07-15 2017-01-24 Advanced Micro Devices, Inc. Method and apparatus related to cache memory
US9524235B1 (en) 2013-07-25 2016-12-20 Sandisk Technologies Llc Local hash value generation in non-volatile data storage systems
US9396112B2 (en) * 2013-08-26 2016-07-19 Advanced Micro Devices, Inc. Hierarchical write-combining cache coherence
CN104035887B (zh) * 2014-05-22 2017-10-31 中国科学院计算技术研究所 一种基于精简配置系统的块设备缓存装置及其方法
CN104090852B (zh) * 2014-07-03 2017-04-05 华为技术有限公司 管理混合缓存的方法及设备
CA2876466C (en) 2014-12-29 2022-07-05 Ibm Canada Limited - Ibm Canada Limitee Scan optimization using bloom filter synopsis
KR102403202B1 (ko) 2015-03-13 2022-05-30 삼성전자주식회사 메타 데이터 관리자를 포함하는 메모리 시스템 및 동작 방법
CN104809179B (zh) * 2015-04-16 2018-10-02 华为技术有限公司 访问哈希表的装置和方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6920477B2 (en) 2001-04-06 2005-07-19 President And Fellows Of Harvard College Distributed, compressed Bloom filter Web cache server
US20080155229A1 (en) 2006-12-21 2008-06-26 Kevin Scott Beyer System and method for generating a cache-aware bloom filter
US20130290607A1 (en) 2012-04-30 2013-10-31 Jichuan Chang Storing cache metadata separately from integrated circuit containing cache controller
US20140289467A1 (en) 2013-03-22 2014-09-25 Applied Micro Circuits Corporation Cache miss detection filter
US20160246726A1 (en) 2014-08-20 2016-08-25 Sandisk Technologies Inc. Adaptive host memory buffer (hmb) caching using unassisted hinting

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Alcorn, Paul, "Samsung Partners With Netlist, Fires its First NVDIMM Shot at 3D XPoint", 5 pages Nov. 20, 2015 (http://www.tomsitpro.com/articles/samsung-netlist-3d-xpoint-nvdimm, 1-3048.html).

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240087273A (ko) 2022-12-12 2024-06-19 포항공과대학교 산학협력단 하이브리드 메모리 장치 및 그 관리 방법
KR102865250B1 (ko) 2024-04-17 2025-09-30 성균관대학교산학협력단 메모리 소자와 반도체 장치 및 그 동작 방법
KR20250152993A (ko) 2024-04-17 2025-10-24 성균관대학교산학협력단 디램 소자와 반도체 장치 및 그 동작 방법

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CN108427647A (zh) 2018-08-21
TWI744457B (zh) 2021-11-01
JP2018133086A (ja) 2018-08-23
TW201832086A (zh) 2018-09-01
US20180232310A1 (en) 2018-08-16
JP6916751B2 (ja) 2021-08-11
CN108427647B (zh) 2023-08-08
US10282294B2 (en) 2019-05-07
KR20180094469A (ko) 2018-08-23

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