JP6367797B2 - 階層メモリシステムのためのメモリ管理 - Google Patents
階層メモリシステムのためのメモリ管理 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/10—Address translation
- G06F12/1009—Address translation using page tables, e.g. page table structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/10—Address translation
- G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/12—Replacement control
- G06F12/121—Replacement control using replacement algorithms
- G06F12/123—Replacement control using replacement algorithms with age lists, e.g. queue, most recently used [MRU] list or least recently used [LRU] list
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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
- G06F3/0604—Improving or facilitating administration, e.g. storage management
-
- 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
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/0647—Migration mechanisms
-
- 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
- G06F3/0653—Monitoring storage devices or systems
-
- 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
- G06F3/0685—Hybrid storage combining heterogeneous device types, e.g. hierarchical storage, hybrid arrays
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/10—Providing a specific technical effect
- G06F2212/1008—Correctness of operation, e.g. memory ordering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/65—Details of virtual memory and virtual address translation
- G06F2212/657—Virtual address space 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)
Description
Claims (21)
- タイプの異なる複数のメモリ装置に接続されたメモリ管理システムであって、
第1の仮想メモリアドレスに対して、第1の物理メモリアドレス、前記第1の物理メモリアドレスがアクセスされた頻度に関する第1のデータおよび前記複数のメモリ装置のうち前記第1の物理メモリアドレスが対応するメモリ装置のタイプを特定する第2のデータを関連付けて保存するように構成された第1のメモリ変換テーブルと、
第2の仮想メモリアドレスに対して、第2の物理メモリアドレス、前記第2の物理メモリアドレスがアクセスされた頻度に関する第3のデータおよび前記複数のメモリ装置のうち前記第2の物理メモリアドレスが対応するメモリ装置のタイプを特定する第4のデータを関連付けて保存するように構成された第2のメモリ変換テーブルと、
少なくとも部分的に前記第1のメモリ変換テーブル及び第2のメモリ変換テーブルに基づいて前記複数のメモリ装置の動作を制御するように構成された制御ユニットと、
を含む、メモリ管理システム。 - 前記第1のメモリ変換テーブルが変換装置に保存され、前記第2のメモリ変換テーブルが変換索引バッファに保存されている、請求項1に記載のメモリ管理システム。
- 前記第1のメモリ変換テーブルは、前記第1の仮想メモリアドレスがアクセスされた頻度に関する第5のデータに対応するように構成され、
前記第2のメモリ変換テーブルは、前記第2の仮想メモリアドレスがアクセスされた頻度に関する第6のデータに対応するように構成された、請求項1に記載のメモリ管理システム。 - 前記メモリ管理システムが、前記第1及び第3のデータの少なくとも一部に基づいて、
前記第1の仮想メモリアドレスと前記第1の物理メモリアドレス、前記第1のデータ及び前記第2のデータとの関係を示す第1のテーブルエントリを、前記第1のメモリ変換テーブルから前記第2のメモリ変換テーブルに移動し、
前記第2の仮想メモリアドレスと前記第2の物理メモリアドレス、前記第3のデータ及び前記第4のデータとの関係を示す第2のテーブルエントリを、前記第2のメモリ変換テーブルから前記第1のメモリ変換テーブルに移動するように構成されている、請求項1に記載のメモリ管理システム。 - タイプの異なる複数のメモリ装置に接続されたメモリ管理システムであって、
第1のメモリ変換テーブルを保存するように構成された変換装置を含み、
前記第1のメモリ変換テーブルは、第1の複数の仮想メモリアドレスと第1の複数の物理メモリアドレスをマッピングし、且つ、前記第1の複数の仮想メモリアドレスに対して、前記第1の複数の物理メモリアドレスの夫々がアクセスされた頻度に関する第1のデータおよび前記複数のメモリ装置のうち前記第1の複数の物理メモリアドレスのそれぞれが対応するメモリ装置のタイプを特定する第2のデータをマッピングするように構成され、
第2のメモリ変換テーブルを保持するように構成された変換索引バッファを含み、
前記第2のメモリ変換テーブルは、第2の複数の仮想メモリアドレスと第2の複数の物理メモリアドレスをマッピングし、且つ、前記第2の複数の仮想メモリアドレスに対して、前記第2の複数の物理メモリアドレスの夫々がアクセスされた頻度に関する第3のデータおよび前記複数のメモリ装置のうち前記第2の複数の物理メモリアドレスのそれぞれが対応するメモリ装置のタイプを特定する第4のデータをマッピングするように構成され、
前記第1及び第2のメモリ変換テーブルは、互いにオーバーラップするものではなく、
少なくとも部分的に前記第1のメモリ変換テーブルおよび前記第2のメモリ変換テーブルに基づいて、前記複数のメモリ装置のうち前記第1の複数の物理メモリアドレスまたは前記第2の複数の物理メモリアドレス中の少なくとも一つの物理メモリアドレスに対応するメモリ装置の動作を制御するように構成された制御ユニットを含む、メモリ管理システム。 - 前記制御ユニットは、第1の仮想メモリアドレスを特定するために前記第1のメモリ変換テーブルを検索するように構成された、請求項5に記載のメモリ管理システム。
- 前記制御ユニットは、前記メモリ管理システム外部の処理装置とは独立して、前記第1のメモリ変換テーブルを検索するように構成された、請求項6に記載のメモリ管理システム。
- 前記変換装置が高性能メモリアレイを含む、請求項5に記載のメモリ管理システム。
- 前記高性能メモリアレイがハイブリッドメモリキューブを含む、請求項8に記載のメモリ管理システム。
- 前記ハイブリッドメモリキューブが前記第1のメモリ変換テーブルのテーブルウォークを実行するように構成された、請求項9に記載のメモリ管理システム。
- データバスを介して前記複数のメモリ装置に接続された、請求項5に記載のメモリ管理システム。
- 前記変換装置が補助検索メモリ装置を含む、請求項5に記載のメモリ管理システム。
- 前記変換索引バッファがコンテントアドレッサブルメモリを含む、請求項5に記載のメモリ管理システム。
- 前記変換索引バッファがnウェイ連想メモリ装置を含む、請求項5に記載のメモリ管理システム。
- 前記変換索引バッファおよび前記変換装置が単一装置内に組み込まれた、請求項5に記載のメモリ管理システム。
- 前記変換索引バッファが第一の装置内に組み込まれ、前記変換装置が第二の装置内に組み込まれた、請求項5に記載のメモリ管理システム。
- 前記制御ユニットは、第1の仮想メモリアドレスと第1の物理メモリアドレスの関係を示すテーブルエントリを、前記第1の仮想メモリアドレスが前記第1のメモリ変換テーブル内の仮想メモリアドレスとヒットしたとき、前記第1のメモリ変換テーブルから前記第2のメモリ変換テーブルに移動するように構成された、請求項5に記載のメモリ管理システム。
- 前記制御ユニットは、前記第1及び第2のメモリ変換テーブルを同時に検索されるように構成された、請求項5に記載のメモリ管理システム。
- 前記制御ユニットは、前記第1のメモリ変換テーブルを検索する前に、前記第2のメモリ変換テーブルを検索するように構成された、請求項5に記載のメモリ管理システム。
- 前記制御ユニットは、仮想メモリアドレスを含むテーブルエントリが前記第1又は第2のメモリ変換テーブルにて発見された後に前記第1又は第2のメモリ変換テーブルへの検索を停止するように構成された、請求項5に記載のメモリ管理システム。
- 前記第1及び第3のデータは、夫々LRUデータを含む、請求項5に記載のメモリ管理システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US13/552,491 US9524248B2 (en) | 2012-07-18 | 2012-07-18 | Memory management for a hierarchical memory system |
US13/552,491 | 2012-07-18 | ||
PCT/US2013/049753 WO2014014711A1 (en) | 2012-07-18 | 2013-07-09 | Memory management for a hierarchical memory system |
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JP2015522886A JP2015522886A (ja) | 2015-08-06 |
JP6367797B2 true JP6367797B2 (ja) | 2018-08-01 |
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US (4) | US9524248B2 (ja) |
EP (1) | EP2875432B1 (ja) |
JP (1) | JP6367797B2 (ja) |
KR (1) | KR102144491B1 (ja) |
CN (1) | CN104487953B (ja) |
TW (1) | TWI515563B (ja) |
WO (1) | WO2014014711A1 (ja) |
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US9448965B2 (en) | 2013-03-15 | 2016-09-20 | Micron Technology, Inc. | Receiving data streams in parallel and providing a first portion of data to a first state machine engine and a second portion to a second state machine |
US10007435B2 (en) * | 2015-05-21 | 2018-06-26 | Micron Technology, Inc. | Translation lookaside buffer in memory |
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2013
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EP2875432B1 (en) | 2021-03-24 |
TW201411345A (zh) | 2014-03-16 |
KR20150036165A (ko) | 2015-04-07 |
JP2015522886A (ja) | 2015-08-06 |
CN104487953A (zh) | 2015-04-01 |
US9524248B2 (en) | 2016-12-20 |
US20140025923A1 (en) | 2014-01-23 |
WO2014014711A1 (en) | 2014-01-23 |
EP2875432A4 (en) | 2016-03-23 |
CN104487953B (zh) | 2018-04-17 |
US10831672B2 (en) | 2020-11-10 |
US10089242B2 (en) | 2018-10-02 |
EP2875432A1 (en) | 2015-05-27 |
US20180357177A1 (en) | 2018-12-13 |
KR102144491B1 (ko) | 2020-08-18 |
US20170083452A1 (en) | 2017-03-23 |
US20210042238A1 (en) | 2021-02-11 |
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