JP6640776B2 - メモリシステム - Google Patents
メモリシステム Download PDFInfo
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- JP6640776B2 JP6640776B2 JP2017052154A JP2017052154A JP6640776B2 JP 6640776 B2 JP6640776 B2 JP 6640776B2 JP 2017052154 A JP2017052154 A JP 2017052154A JP 2017052154 A JP2017052154 A JP 2017052154A JP 6640776 B2 JP6640776 B2 JP 6640776B2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0659—Command handling arrangements, e.g. command buffers, queues, command scheduling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/206—Cooling means comprising thermal management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3225—Monitoring of peripheral devices of memory devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3275—Power saving in memory, e.g. RAM, cache
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/061—Improving I/O performance
- G06F3/0613—Improving I/O performance in relation to throughput
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0625—Power saving in storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0658—Controller construction arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
- G06F3/0688—Non-volatile semiconductor memory arrays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
- G06F9/5016—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals the resource being the memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5094—Allocation of resources, e.g. of the central processing unit [CPU] where the allocation takes into account power or heat criteria
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/32—Timing circuits
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/04—Arrangements for writing information into, or reading information out from, a digital store with means for avoiding disturbances due to temperature effects
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Description
図1は、第1の実施形態のメモリシステムの構成例を示す図である。メモリシステム1aは、ホスト2と所定の通信インタフェースで接続される。ホスト2は、例えばパーソナルコンピュータ、携帯情報端末、またはサーバなどが該当する。メモリシステム1aは、ホスト2からアクセス要求(リード要求およびライト要求)を受け付けることができる。各アクセス要求は、アクセス先を示す論理アドレスを伴う。論理アドレスは、メモリシステム1aがホスト2に提供する論理アドレス空間内の位置を示す。メモリシステム1aは、ライト要求とともに、書き込み対象のデータを受け付ける。
Credit(n)=Credit(n-1)+Kp*(e(n)-e(n-1))+Ki*e(n)+Kd*((e(n)-e(e-1))-(e(n-1)-e(n-2))) ・・・(式1)
図13は、第2の実施形態のメモリシステムの構成例を示す図である。メモリシステム1bは、ホスト2と所定の通信インタフェースで接続される。ホスト2は、例えばパーソナルコンピュータ、携帯情報端末、またはサーバなどが該当する。メモリシステム1bは、メモリシステム1bの外部の電源3に接続され、電源3から電力が供給される。メモリシステム1bは、電源3からの電力を利用して動作する。メモリシステム1bは、ホスト2からアクセス要求(リード要求およびライト要求)を受け付けることができる。各アクセス要求は、アクセス先を指定する論理アドレスを伴う。論理アドレスは、メモリシステム1bがホスト2に提供する論理アドレス空間内の位置を示す。メモリシステム1bは、ライト要求とともに、書き込み対象のデータを受け付ける。
Claims (9)
- 不揮発性の第1メモリと、
第1割当量を設定する第1プロセッサと、
前記第1メモリへのアクセスを実行し、前記アクセスの際の前記第1メモリの動作時間に応じた量である消費量を演算し、前記消費量が前記第1割当量に至った場合、前記第1プロセッサに通知を送信する、第2プロセッサと、
を備え、
前記第1プロセッサは、有効期限付きの複数の第2割当量のそれぞれを、それぞれ異なるタイミングで設定し、
前記第1割当量は、1以上の第3割当量の合計量であり、
前記第3割当量は、前記設定された複数の第2割当量のうちの有効期限が切れていない第2割当量である、
メモリシステム。 - 前記第1プロセッサは、前記メモリシステムの使用状況に応じてそれぞれの第2割当量を演算する、
ことを特徴とする請求項1に記載のメモリシステム。 - 前記第2プロセッサは、第1モードで前記第1メモリへのアクセスを実行し、
前記第1プロセッサは、前記通知を受信した場合、前記第1メモリへのアクセスが実行できない第2モードに前記第2プロセッサを遷移させる、
ことを特徴とする請求項2に記載のメモリシステム。 - 温度センサをさらに備え、
前記使用状況は、前記温度センサの検出値である、
ことを特徴とする請求項2に記載のメモリシステム。 - 前記第1プロセッサは、前記検出値をそれぞれの第2割当量の演算にフィードバックする、
ことを特徴とする請求項4に記載のメモリシステム。 - 前記第1プロセッサは、PID制御に基づく演算によってそれぞれの第2割当量を演算する、
ことを特徴とする請求項5に記載のメモリシステム。 - FIFOルールで管理される第2メモリをさらに備え、
前記第1プロセッサは、前記複数の第2割当量を前記第2メモリに順次設定し、
前記第2プロセッサは、前記第2メモリに設定された複数の第2割当量のうちの最後に設定された所定数の第2割当量を、有効期限が切れていない第2割当量と見なす、
ことを特徴とする請求項1に記載のメモリシステム。 - 前記第1プロセッサは、前記第2プロセッサを前記第2モードに遷移させてから所定時間が経過した場合、前記第2プロセッサを前記第1モードに遷移させる、
ことを特徴とする請求項3に記載のメモリシステム。 - 前記第2モードは、前記第2プロセッサへのクロック供給が遮断されるモードである、
ことを特徴とする請求項3に記載のメモリシステム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017052154A JP6640776B2 (ja) | 2017-03-17 | 2017-03-17 | メモリシステム |
US15/695,773 US10802752B2 (en) | 2017-03-17 | 2017-09-05 | Memory system for controlling memory access based on access time of memory |
US17/022,652 US11693592B2 (en) | 2017-03-17 | 2020-09-16 | Memory system |
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JP2017052154A JP6640776B2 (ja) | 2017-03-17 | 2017-03-17 | メモリシステム |
Publications (2)
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JP2018156350A JP2018156350A (ja) | 2018-10-04 |
JP6640776B2 true JP6640776B2 (ja) | 2020-02-05 |
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JP2017052154A Active JP6640776B2 (ja) | 2017-03-17 | 2017-03-17 | メモリシステム |
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US (2) | US10802752B2 (ja) |
JP (1) | JP6640776B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11545195B2 (en) | 2020-09-16 | 2023-01-03 | Kioxia Corporation | Memory system |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102293069B1 (ko) * | 2017-09-08 | 2021-08-27 | 삼성전자주식회사 | 불휘발성 메모리 장치 및 제어기를 포함하는 스토리지 장치, 제어기, 그리고 스토리지 장치의 동작 방법 |
US11435909B2 (en) * | 2019-04-22 | 2022-09-06 | Intel Corporation | Device, system and method to generate link training signals |
JP2023136083A (ja) * | 2022-03-16 | 2023-09-29 | キオクシア株式会社 | メモリシステムおよび制御方法 |
Family Cites Families (12)
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US4430698A (en) * | 1981-08-20 | 1984-02-07 | Harrel, Incorporated | Three-mode process control |
US6987578B2 (en) * | 2001-03-21 | 2006-01-17 | Hewlett-Packard Development Company, L.P. | Printer priority bidding scheme |
US8200887B2 (en) * | 2007-03-29 | 2012-06-12 | Violin Memory, Inc. | Memory management system and method |
US7444526B2 (en) * | 2005-06-16 | 2008-10-28 | International Business Machines Corporation | Performance conserving method for reducing power consumption in a server system |
US8645723B2 (en) * | 2011-05-11 | 2014-02-04 | Apple Inc. | Asynchronous management of access requests to control power consumption |
JP6243424B2 (ja) * | 2013-07-10 | 2017-12-06 | 任天堂株式会社 | 情報処理システム、情報処理装置、情報処理プログラム、および、動作モードの制御方法 |
KR102114109B1 (ko) * | 2013-10-17 | 2020-05-22 | 에스케이하이닉스 주식회사 | 데이터 저장 장치 |
JP2015089231A (ja) * | 2013-10-30 | 2015-05-07 | 富士通株式会社 | 電力量管理装置、方法、及びプログラム |
US9479610B2 (en) * | 2014-04-14 | 2016-10-25 | Microsoft Technology Licensing, Llc | Battery efficient synchronization of communications using a token bucket |
US20160372160A1 (en) | 2015-06-16 | 2016-12-22 | Sandisk Technologies Inc. | Memory System and method for power management |
US10275001B2 (en) | 2015-06-26 | 2019-04-30 | Intel Corporation | Thermal throttling of electronic devices |
US9760311B1 (en) * | 2016-06-23 | 2017-09-12 | Sandisk Technologies Llc | Storage system and method for adaptive thermal throttling |
-
2017
- 2017-03-17 JP JP2017052154A patent/JP6640776B2/ja active Active
- 2017-09-05 US US15/695,773 patent/US10802752B2/en active Active
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2020
- 2020-09-16 US US17/022,652 patent/US11693592B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11545195B2 (en) | 2020-09-16 | 2023-01-03 | Kioxia Corporation | Memory system |
Also Published As
Publication number | Publication date |
---|---|
US20180267744A1 (en) | 2018-09-20 |
US11693592B2 (en) | 2023-07-04 |
US10802752B2 (en) | 2020-10-13 |
US20200409610A1 (en) | 2020-12-31 |
JP2018156350A (ja) | 2018-10-04 |
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